{"id":98439,"date":"2024-09-18T12:19:17","date_gmt":"2024-09-18T05:19:17","guid":{"rendered":"https:\/\/phongvu.vn\/cong-nghe\/?p=98439"},"modified":"2024-09-18T12:20:23","modified_gmt":"2024-09-18T05:20:23","slug":"wifi-2-4ghz-va-5ghz-cai-nao-tot-hon","status":"publish","type":"post","link":"https:\/\/phongvu.vn\/cong-nghe\/wifi-2-4ghz-va-5ghz-cai-nao-tot-hon\/","title":{"rendered":"Wifi 2.4ghz v\u00e0 5ghz: C\u00e1ch nh\u1eadn bi\u1ebft, so s\u00e1nh, n\u00ean d\u00f9ng lo\u1ea1i n\u00e0o?"},"content":{"rendered":"\n<p>Trong th\u1eddi \u0111\u1ea1i c\u00f4ng ngh\u1ec7 ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n, vi\u1ec7c truy c\u1eadp internet kh\u00f4ng d\u00e2y \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y. WiFi l\u00e0 c\u00f4ng ngh\u1ec7 k\u1ebft n\u1ed1i m\u1ea1ng kh\u00f4ng d\u00e2y ph\u1ed5 bi\u1ebfn nh\u1ea5t, mang l\u1ea1i s\u1ef1 ti\u1ec7n l\u1ee3i v\u00e0 linh ho\u1ea1t cho ng\u01b0\u1eddi d\u00f9ng. Tuy nhi\u00ean, nhi\u1ec1u ng\u01b0\u1eddi v\u1eabn ch\u01b0a hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1c b\u0103ng t\u1ea7n kh\u00e1c nhau c\u1ee7a WiFi, \u0111\u1eb7c bi\u1ec7t l\u00e0 hai b\u0103ng t\u1ea7n ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay: 2.4GHz v\u00e0 5GHz.<\/p>\n\n\n\n<p>M\u1ed7i b\u0103ng t\u1ea7n \u0111\u1ec1u c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9, ph\u1ea1m vi ph\u1ee7 s\u00f3ng, v\u00e0 kh\u1ea3 n\u0103ng xuy\u00ean nhi\u1ec5u c\u1ee7a m\u1ea1ng. Vi\u1ec7c n\u1eafm r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa WiFi 2.4GHz v\u00e0 5GHz kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn lo\u1ea1i m\u1ea1ng ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u s\u1eed d\u1ee5ng m\u00e0 c\u00f2n t\u1ed1i \u01b0u h\u00f3a tr\u1ea3i nghi\u1ec7m k\u1ebft n\u1ed1i internet c\u1ee7a gia \u0111\u00ecnh. Trong b\u00e0i vi\u1ebft n\u00e0y, c\u00f9ng <a href=\"https:\/\/phongvu.vn\/cong-nghe\/\">Phong V\u0169 Tech News<\/a> t\u00ecm hi\u1ec3u v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a hai b\u0103ng t\u1ea7n n\u00e0y, c\u00e1ch nh\u1eadn bi\u1ebft, so s\u00e1nh, c\u0169ng nh\u01b0 c\u00e1ch l\u1ef1a ch\u1ecdn v\u00e0 s\u1eed d\u1ee5ng sao cho hi\u1ec7u qu\u1ea3 nh\u1ea5t.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<ul>\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/nhung-cac-de-tang-cuong-do-song-wifi\/\">Top 12 c\u00e1ch l\u00e0m t\u0103ng s\u00f3ng wifi trong nh\u00e0 m\u1ea1nh g\u1ea5p \u0111\u00f4i<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/router-wifi-6-asus\/\">B\u1ed9 ph\u00e1t s\u00f3ng router Wifi 6 Asus RT-AX1800HP: t\u1ed1c \u0111\u1ed9 cao, ph\u00e1t s\u00f3ng xuy\u00ean t\u01b0\u1eddng<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/xem-mat-khau-wifi-windows-11\/\">Windows 11 cho ph\u00e9p xem m\u1eadt kh\u1ea9u WiFi d\u1ec5 d\u00e0ng h\u01a1n<\/a><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_55 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\" role=\"button\"><label for=\"item-6a19cc38a2565\" ><span class=\"\"><span style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input aria-label=\"Toggle\" aria-label=\"item-6a19cc38a2565\"  type=\"checkbox\" id=\"item-6a19cc38a2565\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/phongvu.vn\/cong-nghe\/wifi-2-4ghz-va-5ghz-cai-nao-tot-hon\/#Wifi_24GHz_va_5GHz_la_gi\" title=\"Wifi 2.4GHz v\u00e0 5GHz l\u00e0 g\u00ec?\">Wifi 2.4GHz v\u00e0 5GHz l\u00e0 g\u00ec?<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/phongvu.vn\/cong-nghe\/wifi-2-4ghz-va-5ghz-cai-nao-tot-hon\/#Wifi_24GHz_la_gi\" title=\"Wifi 2.4GHz l\u00e0 g\u00ec?\">Wifi 2.4GHz l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/phongvu.vn\/cong-nghe\/wifi-2-4ghz-va-5ghz-cai-nao-tot-hon\/#Wifi_5GHz_la_gi\" title=\"Wifi 5GHz l\u00e0 g\u00ec?\">Wifi 5GHz l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/phongvu.vn\/cong-nghe\/wifi-2-4ghz-va-5ghz-cai-nao-tot-hon\/#Wi-Fi_bang_tan_kep_la_gi\" title=\"Wi-Fi b\u0103ng t\u1ea7n k\u00e9p l\u00e0 g\u00ec?\">Wi-Fi b\u0103ng t\u1ea7n k\u00e9p l\u00e0 g\u00ec?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/phongvu.vn\/cong-nghe\/wifi-2-4ghz-va-5ghz-cai-nao-tot-hon\/#Cach_nhan_biet_nha_ban_dang_dung_WiFi_24GHz_hay_5GHz\" title=\"C\u00e1ch nh\u1eadn bi\u1ebft nh\u00e0 b\u1ea1n \u0111ang d\u00f9ng WiFi 2.4GHz hay 5GHz\">C\u00e1ch nh\u1eadn bi\u1ebft nh\u00e0 b\u1ea1n \u0111ang d\u00f9ng WiFi 2.4GHz hay 5GHz<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/phongvu.vn\/cong-nghe\/wifi-2-4ghz-va-5ghz-cai-nao-tot-hon\/#So_sanh_giua_WiFi_24GHz_va_WiFi_5GHz\" title=\"So s\u00e1nh gi\u1eefa WiFi 2.4GHz v\u00e0 WiFi 5GHz\">So s\u00e1nh gi\u1eefa WiFi 2.4GHz v\u00e0 WiFi 5GHz<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/phongvu.vn\/cong-nghe\/wifi-2-4ghz-va-5ghz-cai-nao-tot-hon\/#Toc_do_truyen_du_lieu\" title=\"T\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u\">T\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/phongvu.vn\/cong-nghe\/wifi-2-4ghz-va-5ghz-cai-nao-tot-hon\/#Pham_vi_phu_song\" title=\"Ph\u1ea1m vi ph\u1ee7 s\u00f3ng\">Ph\u1ea1m vi ph\u1ee7 s\u00f3ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/phongvu.vn\/cong-nghe\/wifi-2-4ghz-va-5ghz-cai-nao-tot-hon\/#Kha_nang_xuyen_nhieu\" title=\"Kh\u1ea3 n\u0103ng xuy\u00ean nhi\u1ec5u\">Kh\u1ea3 n\u0103ng xuy\u00ean nhi\u1ec5u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/phongvu.vn\/cong-nghe\/wifi-2-4ghz-va-5ghz-cai-nao-tot-hon\/#Tinh_trang_tac_nghen\" title=\"T\u00ecnh tr\u1ea1ng t\u1eafc ngh\u1ebdn\">T\u00ecnh tr\u1ea1ng t\u1eafc ngh\u1ebdn<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/phongvu.vn\/cong-nghe\/wifi-2-4ghz-va-5ghz-cai-nao-tot-hon\/#Cach_chuyen_WiFi_24G_sang_5G_tren_dien_thoai_va_nguoc_lai\" title=\"C\u00e1ch chuy\u1ec3n WiFi 2.4G sang 5G tr\u00ean \u0111i\u1ec7n tho\u1ea1i v\u00e0 ng\u01b0\u1ee3c l\u1ea1i\">C\u00e1ch chuy\u1ec3n WiFi 2.4G sang 5G tr\u00ean \u0111i\u1ec7n tho\u1ea1i v\u00e0 ng\u01b0\u1ee3c l\u1ea1i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/phongvu.vn\/cong-nghe\/wifi-2-4ghz-va-5ghz-cai-nao-tot-hon\/#Nen_dung_WiFi_24GHz_hay_5GHz\" title=\"N\u00ean d\u00f9ng WiFi 2.4GHz hay 5GHz?\">N\u00ean d\u00f9ng WiFi 2.4GHz hay 5GHz?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/phongvu.vn\/cong-nghe\/wifi-2-4ghz-va-5ghz-cai-nao-tot-hon\/#Co_nen_gop_2_bang_tan_WiFi\" title=\"C\u00f3 n\u00ean g\u1ed9p 2 b\u0103ng t\u1ea7n WiFi?\">C\u00f3 n\u00ean g\u1ed9p 2 b\u0103ng t\u1ea7n WiFi?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/phongvu.vn\/cong-nghe\/wifi-2-4ghz-va-5ghz-cai-nao-tot-hon\/#Ket_luan\" title=\"K\u1ebft lu\u1eadn\">K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Wifi_24GHz_va_5GHz_la_gi\"><\/span><a><\/a>Wifi 2.4GHz v\u00e0 5GHz l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"640\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-1-1024x640.jpg\" alt=\"\" class=\"wp-image-98440\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-1-1024x640.jpg 1024w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-1-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-1-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-1-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-1-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-1-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-1-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-1-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-1-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-1-1344x840.jpg 1344w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-1.jpg 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"\"><figcaption class=\"wp-element-caption\">Wifi \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong cu\u1ed9c s\u1ed1ng hi\u1ec7n \u0111\u1ea1i ng\u00e0y nay<\/figcaption><\/figure>\n\n\n\n<p>WiFi \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong cu\u1ed9c s\u1ed1ng hi\u1ec7n \u0111\u1ea1i, gi\u00fap ch\u00fang ta k\u1ebft n\u1ed1i internet kh\u00f4ng d\u00e2y m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i ai c\u0169ng hi\u1ec3u r\u00f5 v\u1ec1 hai b\u0103ng t\u1ea7n ph\u1ed5 bi\u1ebfn nh\u1ea5t: 2.4GHz v\u00e0 5GHz. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 hai lo\u1ea1i WiFi n\u00e0y, c\u00e1ch nh\u1eadn bi\u1ebft, so s\u00e1nh, v\u00e0 n\u00ean d\u00f9ng lo\u1ea1i n\u00e0o \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a tr\u1ea3i nghi\u1ec7m m\u1ea1ng kh\u00f4ng d\u00e2y.<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"Wifi_24GHz_la_gi\"><\/span><a><\/a>Wifi 2.4GHz l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>WiFi 2.4GHz l\u00e0 b\u0103ng t\u1ea7n truy\u1ec1n th\u1ed1ng, xu\u1ea5t hi\u1ec7n \u0111\u1ea7u ti\u00ean v\u00e0 ph\u1ed5 bi\u1ebfn r\u1ed9ng r\u00e3i. \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean nhi\u1ec1u thi\u1ebft b\u1ecb nh\u01b0 router, \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, m\u00e1y t\u00ednh b\u1ea3ng, v\u00e0 thi\u1ebft b\u1ecb th\u00f4ng minh trong nh\u00e0, b\u0103ng t\u1ea7n 2.4GHz c\u00f3 ph\u1ea1m vi ph\u1ee7 s\u00f3ng r\u1ed9ng v\u00e0 kh\u1ea3 n\u0103ng xuy\u00ean t\u01b0\u1eddng t\u1ed1t. Tuy nhi\u00ean, do ho\u1ea1t \u0111\u1ed9ng tr\u00ean t\u1ea7n s\u1ed1 th\u1ea5p, n\u00f3 c\u00f3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u ch\u1eadm h\u01a1n v\u00e0 d\u1ec5 b\u1ecb t\u1eafc ngh\u1ebdn khi c\u00f3 qu\u00e1 nhi\u1ec1u thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i.<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"Wifi_5GHz_la_gi\"><\/span><a><\/a>Wifi 5GHz l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"640\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-3-1024x640.jpg\" alt=\"\" class=\"wp-image-98441\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-3-1024x640.jpg 1024w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-3-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-3-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-3-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-3-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-3-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-3-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-3-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-3-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-3-1344x840.jpg 1344w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-3.jpg 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"\"><figcaption class=\"wp-element-caption\">B\u0103ng t\u1ea7n wifi 5ghz l\u00e0 m\u1ed9t trong nh\u1eefng ph\u00e1t minh c\u1ea3i ti\u1ebfn, n\u00e2ng c\u1ea5p m\u1edbi nh\u1ea5t hi\u1ec7n nay<\/figcaption><\/figure>\n\n\n\n<p>WiFi 5GHz l\u00e0 m\u1ed9t c\u1ea3i ti\u1ebfn m\u1edbi h\u01a1n, cung c\u1ea5p t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u nhanh h\u01a1n so v\u1edbi 2.4GHz. Nh\u1edd t\u1ea7n s\u1ed1 cao h\u01a1n, WiFi 5GHz c\u00f3 kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u nhanh h\u01a1n, gi\u1ea3m \u0111\u1ed9 tr\u1ec5 khi ch\u01a1i game ho\u1eb7c xem video tr\u1ef1c tuy\u1ebfn. Tuy nhi\u00ean, ph\u1ea1m vi ph\u1ee7 s\u00f3ng c\u1ee7a WiFi 5GHz h\u1eb9p h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng xuy\u00ean t\u01b0\u1eddng k\u00e9m h\u01a1n so v\u1edbi 2.4GHz.<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"Wi-Fi_bang_tan_kep_la_gi\"><\/span><a><\/a>Wi-Fi b\u0103ng t\u1ea7n k\u00e9p l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Wi-Fi b\u0103ng t\u1ea7n k\u00e9p l\u00e0 c\u00f4ng ngh\u1ec7 cho ph\u00e9p router ph\u00e1t s\u00f3ng c\u00f9ng l\u00fac tr\u00ean c\u1ea3 hai b\u0103ng t\u1ea7n 2.4GHz v\u00e0 5GHz. \u0110i\u1ec1u n\u00e0y mang l\u1ea1i s\u1ef1 linh ho\u1ea1t khi s\u1eed d\u1ee5ng, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng k\u1ebft n\u1ed1i v\u1edbi b\u0103ng t\u1ea7n ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi nhu c\u1ea7u c\u1ee7a h\u1ecd. N\u1ebfu c\u1ea7n ph\u1ea1m vi ph\u1ee7 s\u00f3ng r\u1ed9ng v\u00e0 kh\u1ea3 n\u0103ng xuy\u00ean t\u01b0\u1eddng t\u1ed1t, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn 2.4GHz. N\u1ebfu c\u1ea7n t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u cao h\u01a1n, h\u00e3y ch\u1ecdn 5GHz.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Cach_nhan_biet_nha_ban_dang_dung_WiFi_24GHz_hay_5GHz\"><\/span><a><\/a>C\u00e1ch nh\u1eadn bi\u1ebft nh\u00e0 b\u1ea1n \u0111ang d\u00f9ng WiFi 2.4GHz hay 5GHz<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"640\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-2-1024x640.jpg\" alt=\"\" class=\"wp-image-98442\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-2-1024x640.jpg 1024w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-2-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-2-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-2-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-2-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-2-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-2-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-2-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-2-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-2-1344x840.jpg 1344w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-2.jpg 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"\"><figcaption class=\"wp-element-caption\">Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 ki\u1ec3m tra Router \u0111\u1ec3 bi\u1ebft m\u00ecnh \u0111ang s\u1eed d\u1ee5ng b\u0103ng t\u1ea7n Wifi n\u00e0o<\/figcaption><\/figure>\n\n\n\n<p>\u0110\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ea1ng WiFi c\u1ee7a b\u1ea1n \u0111ang s\u1eed d\u1ee5ng b\u0103ng t\u1ea7n n\u00e0o, b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra tr\u00ean thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i ho\u1eb7c router. Tr\u00ean thi\u1ebft b\u1ecb nh\u01b0 \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c m\u00e1y t\u00ednh, v\u00e0o ph\u1ea7n c\u00e0i \u0111\u1eb7t WiFi v\u00e0 xem t\u00ean m\u1ea1ng (SSID). Th\u01b0\u1eddng th\u00ec c\u00e1c m\u1ea1ng 5GHz s\u1ebd c\u00f3 t\u00ean k\u00e8m theo &#8220;5G&#8221; ho\u1eb7c &#8220;5GHz&#8221;. Ngo\u00e0i ra, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0o trang qu\u1ea3n l\u00fd c\u1ee7a router (th\u00f4ng qua \u0111\u1ecba ch\u1ec9 IP c\u1ee7a router) \u0111\u1ec3 xem th\u00f4ng tin v\u1ec1 b\u0103ng t\u1ea7n \u0111ang s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"So_sanh_giua_WiFi_24GHz_va_WiFi_5GHz\"><\/span><a><\/a>So s\u00e1nh gi\u1eefa WiFi 2.4GHz v\u00e0 WiFi 5GHz<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa WiFi 2.4GHz v\u00e0 5GHz n\u1eb1m \u1edf nhi\u1ec1u kh\u00eda c\u1ea1nh, bao g\u1ed3m t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u, ph\u1ea1m vi ph\u1ee7 s\u00f3ng, kh\u1ea3 n\u0103ng xuy\u00ean nhi\u1ec5u, v\u00e0 t\u00ecnh tr\u1ea1ng t\u1eafc ngh\u1ebdn. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 so s\u00e1nh chi ti\u1ebft gi\u1eefa hai b\u0103ng t\u1ea7n n\u00e0y:<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"Toc_do_truyen_du_lieu\"><\/span><a><\/a>T\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"640\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-4-1024x640.jpg\" alt=\"\" class=\"wp-image-98443\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-4-1024x640.jpg 1024w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-4-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-4-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-4-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-4-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-4-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-4-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-4-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-4-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-4-1344x840.jpg 1344w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-4.jpg 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"\"><figcaption class=\"wp-element-caption\">T\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u c\u1ee7a Wifi 5 ghz \u0111\u01b0\u1ee3c ng\u01b0\u1eddi d\u00f9ng \u0111\u00e1nh gi\u00e1 r\u1ea5t cao<\/figcaption><\/figure>\n\n\n\n<ul>\n<li><strong>WiFi 2.4GHz<\/strong>: T\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a kho\u1ea3ng 450 Mbps \u0111\u1ebfn 600 Mbps, t\u00f9y thu\u1ed9c v\u00e0o router v\u00e0 thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng. Tuy nhi\u00ean, t\u1ed1c \u0111\u1ed9 th\u1ef1c t\u1ebf th\u01b0\u1eddng th\u1ea5p h\u01a1n do t\u00ecnh tr\u1ea1ng t\u1eafc ngh\u1ebdn v\u00e0 nhi\u1ec5u s\u00f3ng.<\/li>\n\n\n\n<li><strong>WiFi 5GHz<\/strong>: C\u00f3 th\u1ec3 \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 l\u00ean \u0111\u1ebfn 1300 Mbps ho\u1eb7c cao h\u01a1n, mang l\u1ea1i tr\u1ea3i nghi\u1ec7m truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u m\u01b0\u1ee3t m\u00e0 h\u01a1n, \u0111\u1eb7c bi\u1ec7t khi xem video HD, ch\u01a1i game tr\u1ef1c tuy\u1ebfn, ho\u1eb7c truy\u1ec1n d\u1eef li\u1ec7u l\u1edbn.<\/li>\n<\/ul>\n\n\n\n<p>V\u1edbi th\u00f4ng s\u1ed1 n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng k\u1ebft lu\u1eadn r\u1eb1ng Wifi chu\u1ea9n 5GHz cho t\u1ed1c \u0111\u1ed9 s\u1eed d\u1ee5ng t\u1ed1t h\u01a1n Wifi chu\u1ea9n 2.4GHz. B\u1eb1ng c\u00e1ch n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 ch\u01a1i game tho\u1ea3i m\u00e1i, t\u1ea3i d\u1eef li\u1ec7u, truy c\u1eadp trang web nhanh ch\u00f3ng v\u00e0 th\u1ef1c hi\u1ec7n m\u1ecdi c\u00f4ng vi\u1ec7c internet m\u1ed9t c\u00e1ch su\u00f4n s\u1ebb.<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"Pham_vi_phu_song\"><\/span><a><\/a>Ph\u1ea1m vi ph\u1ee7 s\u00f3ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul>\n<li><strong>WiFi 2.4GHz<\/strong>: C\u00f3 ph\u1ea1m vi ph\u1ee7 s\u00f3ng r\u1ed9ng h\u01a1n, c\u00f3 kh\u1ea3 n\u0103ng xuy\u00ean qua t\u01b0\u1eddng v\u00e0 c\u00e1c v\u1eadt c\u1ea3n t\u1ed1t h\u01a1n. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn t\u1ed1t cho c\u00e1c c\u0103n nh\u00e0 l\u1edbn ho\u1eb7c m\u00f4i tr\u01b0\u1eddng nhi\u1ec1u v\u1eadt c\u1ea3n.<\/li>\n\n\n\n<li><strong>WiFi 5GHz<\/strong>: Ph\u1ea1m vi ph\u1ee7 s\u00f3ng h\u1eb9p h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng xuy\u00ean t\u01b0\u1eddng k\u00e9m h\u01a1n. Tuy nhi\u00ean, n\u00f3 th\u00edch h\u1ee3p cho nh\u1eefng kh\u00f4ng gian nh\u1ecf, m\u1edf ho\u1eb7c khi b\u1ea1n \u1edf g\u1ea7n router.<\/li>\n<\/ul>\n\n\n\n<p>Theo nguy\u00ean l\u00fd truy\u1ec1n s\u00f3ng v\u00f4 tuy\u1ebfn, t\u1ea7n s\u1ed1 c\u00e0ng cao th\u00ec \u0111\u1ed9 suy hao t\u00edn hi\u1ec7u tr\u00ean kho\u1ea3ng c\u00e1ch c\u00e0ng l\u1edbn. V\u00ec WiFi 5GHz ho\u1ea1t \u0111\u1ed9ng \u1edf b\u0103ng t\u1ea7n cao n\u00ean b\u1ea1n kh\u00f4ng c\u00f3 ph\u1ea1m vi k\u1ebft n\u1ed1i r\u1ed9ng nh\u01b0 WiFi 2,4 GHz.<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"Kha_nang_xuyen_nhieu\"><\/span><a><\/a>Kh\u1ea3 n\u0103ng xuy\u00ean nhi\u1ec5u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"640\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-5-1024x640.jpg\" alt=\"\" class=\"wp-image-98444\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-5-1024x640.jpg 1024w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-5-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-5-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-5-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-5-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-5-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-5-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-5-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-5-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-5-1344x840.jpg 1344w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-5.jpg 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"\"><figcaption class=\"wp-element-caption\">Wifi 5ghz \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 c\u00f3 kh\u1ea3 n\u0103ng xuy\u00ean nhi\u1ec5u t\u1ed1t h\u01a1n 2.4 ghz<\/figcaption><\/figure>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 so s\u00e1nh v\u1ec1 kh\u1ea3 n\u0103ng xuy\u00ean nhi\u1ec5u c\u1ee7a 2 lo\u1ea1i b\u0103ng t\u1ea7n wifi:<\/p>\n\n\n\n<ul>\n<li><strong>WiFi 2.4GHz<\/strong>: D\u1ec5 b\u1ecb nhi\u1ec5u s\u00f3ng do t\u1ea7n s\u1ed1 n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi nhi\u1ec1u thi\u1ebft b\u1ecb kh\u00e1c nh\u01b0 l\u00f2 vi s\u00f3ng, \u0111i\u1ec7n tho\u1ea1i kh\u00f4ng d\u00e2y, v\u00e0 c\u00e1c thi\u1ebft b\u1ecb Bluetooth. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra t\u00ecnh tr\u1ea1ng t\u1eafc ngh\u1ebdn v\u00e0 gi\u1ea3m hi\u1ec7u su\u1ea5t m\u1ea1ng.<\/li>\n\n\n\n<li><strong>WiFi 5GHz<\/strong>: \u00cdt b\u1ecb nhi\u1ec5u h\u01a1n do \u00edt thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng t\u1ea7n s\u1ed1 n\u00e0y. \u0110i\u1ec1u n\u00e0y gi\u00fap duy tr\u00ec t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u \u1ed5n \u0111\u1ecbnh h\u01a1n.<\/li>\n<\/ul>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"Tinh_trang_tac_nghen\"><\/span><a><\/a>T\u00ecnh tr\u1ea1ng t\u1eafc ngh\u1ebdn<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>WiFi 5 GHz ho\u1ea1t \u0111\u1ed9ng \u1edf d\u1ea3i t\u1ea7n r\u1ed9ng h\u01a1n WiFi 2,4 GHz. N\u1ebfu c\u00f3 nhi\u1ec1u thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i v\u00e0o m\u1ea1ng, WiFi 2.4GHz d\u1ec5 b\u1ecb t\u1eafc ngh\u1ebdn, ng\u1eaft k\u1ebft n\u1ed1i \u0111\u1ed9t ng\u1ed9t v\u00e0 t\u1ed1c \u0111\u1ed9 k\u1ebft n\u1ed1i ch\u1eadm. Khi b\u1ea1n s\u1eed d\u1ee5ng wifi 5GHz th\u00ec \u00edt b\u1ecb t\u1eafc ngh\u1ebdn, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh m\u1ea1ng cao, t\u1ed1c \u0111\u1ed9 k\u1ebft n\u1ed1i nhanh v\u00e0 ho\u1ea1t \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0.<\/p>\n\n\n\n<p>H\u01a1n n\u1eefa, n\u1ebfu wifi 5 GHz c\u00f3 s\u1eb5n 23 k\u00eanh th\u00ec wifi 2,4 GHz ch\u1ec9 c\u00f3 s\u1eb5n 11 k\u00eanh. C\u00e1c k\u00eanh n\u00e0y cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb trong c\u00f9ng khu v\u1ef1c truy\u1ec1n t\u00edn hi\u1ec7u tr\u00ean c\u00e1c k\u00eanh kh\u00e1c nhau. N\u1ebfu c\u00f3 qu\u00e1 nhi\u1ec1u thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u00f9ng m\u1ed9t k\u00eanh, c\u00f3 th\u1ec3 x\u1ea3y ra t\u00ecnh tr\u1ea1ng nhi\u1ec5u s\u00f3ng, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a m\u1ea1ng. V\u00ec v\u1eady, khi b\u1ea1n s\u1eed d\u1ee5ng wifi 2.4GHz th\u00ec r\u1ea5t c\u00f3 th\u1ec3 b\u1ea1n s\u1ebd b\u1ecb ch\u1ed3ng k\u00eanh nh\u01b0ng khi b\u1ea1n s\u1eed d\u1ee5ng wifi 5GHz th\u00ec hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y kh\u00f3 c\u00f3 th\u1ec3 x\u1ea3y ra.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Cach_chuyen_WiFi_24G_sang_5G_tren_dien_thoai_va_nguoc_lai\"><\/span><a><\/a>C\u00e1ch chuy\u1ec3n WiFi 2.4G sang 5G tr\u00ean \u0111i\u1ec7n tho\u1ea1i v\u00e0 ng\u01b0\u1ee3c l\u1ea1i<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"640\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-6-1024x640.jpg\" alt=\"\" class=\"wp-image-98445\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-6-1024x640.jpg 1024w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-6-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-6-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-6-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-6-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-6-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-6-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-6-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-6-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-6-1344x840.jpg 1344w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-6.jpg 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"\"><figcaption class=\"wp-element-caption\">Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng chuy\u1ec3n \u0111\u1ed5i gi\u1eefa Wifi 2.4 ghz v\u1edbi 5 ghz tr\u00ean \u0111i\u1ec7n tho\u1ea1i c\u1ee7a m\u00ecnh<\/figcaption><\/figure>\n\n\n\n<p>\u0110\u1ec3 chuy\u1ec3n \u0111\u1ed5i gi\u1eefa WiFi 2.4GHz v\u00e0 5GHz tr\u00ean \u0111i\u1ec7n tho\u1ea1i, b\u1ea1n c\u1ea7n \u0111\u1ea3m b\u1ea3o r\u1eb1ng router c\u1ee7a b\u1ea1n h\u1ed7 tr\u1ee3 b\u0103ng t\u1ea7n k\u00e9p. Sau \u0111\u00f3, th\u1ef1c hi\u1ec7n theo c\u00e1c b\u01b0\u1edbc Phong V\u0169 Tech News h\u01b0\u1edbng d\u1eabn nh\u01b0 sau:<\/p>\n\n\n\n<ul>\n<li>M\u1edf c\u00e0i \u0111\u1eb7t WiFi tr\u00ean \u0111i\u1ec7n tho\u1ea1i.<\/li>\n\n\n\n<li>T\u00ecm t\u00ean m\u1ea1ng (SSID) t\u01b0\u01a1ng \u1ee9ng v\u1edbi b\u0103ng t\u1ea7n m\u00e0 b\u1ea1n mu\u1ed1n k\u1ebft n\u1ed1i (th\u01b0\u1eddng c\u00f3 &#8220;5G&#8221; ho\u1eb7c &#8220;5GHz&#8221; trong t\u00ean).<\/li>\n\n\n\n<li>Ch\u1ecdn m\u1ea1ng v\u00e0 nh\u1eadp m\u1eadt kh\u1ea9u (n\u1ebfu c\u1ea7n).<\/li>\n\n\n\n<li>K\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng WiFi mong mu\u1ed1n.<\/li>\n\n\n\n<li>N\u1ebfu mu\u1ed1n chuy\u1ec3n ng\u01b0\u1ee3c l\u1ea1i, b\u1ea1n ch\u1ec9 c\u1ea7n ch\u1ecdn l\u1ea1i m\u1ea1ng WiFi 2.4GHz t\u1eeb danh s\u00e1ch c\u00e1c m\u1ea1ng kh\u1ea3 d\u1ee5ng.<\/li>\n<\/ul>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Nen_dung_WiFi_24GHz_hay_5GHz\"><\/span><a><\/a>N\u00ean d\u00f9ng WiFi 2.4GHz hay 5GHz?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"640\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-7-1024x640.jpg\" alt=\"\" class=\"wp-image-98446\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-7-1024x640.jpg 1024w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-7-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-7-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-7-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-7-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-7-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-7-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-7-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-7-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-7-1344x840.jpg 1344w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-7.jpg 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"\"><figcaption class=\"wp-element-caption\">T\u00f9y v\u00e0o nhu c\u1ea7u c\u1ee7a m\u1ed7i ng\u01b0\u1eddi c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn b\u0103ng t\u1ea7n Wifi ph\u00f9 h\u1ee3p v\u1edbi m\u00ecnh<\/figcaption><\/figure>\n\n\n\n<p>Vi\u1ec7c ch\u1ecdn s\u1eed d\u1ee5ng WiFi 2.4GHz hay 5GHz ph\u1ee5 thu\u1ed9c v\u00e0o nhu c\u1ea7u v\u00e0 m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng c\u1ee7a b\u1ea1n, WiFi 2.4GHz th\u00edch h\u1ee3p cho:<\/p>\n\n\n\n<ul>\n<li>Ph\u1ea1m vi ph\u1ee7 s\u00f3ng r\u1ed9ng, c\u1ea7n k\u1ebft n\u1ed1i trong m\u00f4i tr\u01b0\u1eddng c\u00f3 nhi\u1ec1u v\u1eadt c\u1ea3n nh\u01b0 t\u01b0\u1eddng, c\u1eeda.<\/li>\n\n\n\n<li>C\u00e1c thi\u1ebft b\u1ecb th\u00f4ng minh trong nh\u00e0 nh\u01b0 camera, m\u00e1y \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed, ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb c\u1ea7n k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh nh\u01b0ng kh\u00f4ng y\u00eau c\u1ea7u t\u1ed1c \u0111\u1ed9 cao.<\/li>\n<\/ul>\n\n\n\n<p>WiFi 5GHz th\u00edch h\u1ee3p cho:<\/p>\n\n\n\n<ul>\n<li>C\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ea7n t\u1ed1c \u0111\u1ed9 cao nh\u01b0 xem video 4K, ch\u01a1i game tr\u1ef1c tuy\u1ebfn, ho\u1eb7c t\u1ea3i d\u1eef li\u1ec7u l\u1edbn.<\/li>\n\n\n\n<li>M\u00f4i tr\u01b0\u1eddng \u00edt v\u1eadt c\u1ea3n v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 \u1edf g\u1ea7n router.<\/li>\n<\/ul>\n\n\n\n<p>Wifi 5GHz c\u00f3 t\u1ed1c \u0111\u1ed9 cao, kh\u1ea3 n\u0103ng xuy\u00ean nhi\u1ec5u m\u1ea1nh, gi\u1ea3m t\u1eafc ngh\u1ebdn. Tuy nhi\u00ean, nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a wifi 5GHz l\u00e0 b\u0103ng t\u1ea7n n\u00e0y c\u00f3 \u0111\u1ed9 ph\u1ee7 s\u00f3ng k\u00e9m v\u00e0 kh\u1ea3 n\u0103ng xuy\u00ean qua v\u1eadt th\u1ec3 r\u1eafn. V\u00ec v\u1eady, n\u00ean s\u1eed d\u1ee5ng wifi 5GHz \u1edf nh\u1eefng n\u01a1i c\u00f3 ph\u1ea1m vi h\u1eb9p, \u00edt ch\u01b0\u1edbng ng\u1ea1i v\u1eadt v\u00e0 c\u00f3 nhi\u1ec1u thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i m\u1ea1ng.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"640\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-8-1024x640.jpg\" alt=\"\" class=\"wp-image-98448\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-8-1024x640.jpg 1024w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-8-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-8-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-8-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-8-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-8-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-8-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-8-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-8-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-8-1344x840.jpg 1344w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-8.jpg 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"\"><figcaption class=\"wp-element-caption\">Kh\u00f4ng gian s\u1eed d\u1ee5ng c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng t\u1edbi quy\u1ebft \u0111\u1ecbnh ch\u1ecdn b\u0103ng t\u1ea7n Wifi<\/figcaption><\/figure>\n\n\n\n<p><strong>V\u00ed d\u1ee5<\/strong>: ph\u00f2ng h\u1ed9i ngh\u1ecb, qu\u00e1n c\u00e0 ph\u00ea nh\u1ecf, khu ph\u1ee9c h\u1ee3p \u0111\u00f4ng ng\u01b0\u1eddi c\u00f3 nhi\u1ec1u c\u0103n h\u1ed9&#8230; Khi c\u1ea7n t\u1ed1c \u0111\u1ed9 cao v\u00e0 \u1ed5n \u0111\u1ecbnh, c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u truy c\u1eadp m\u1ea1ng l\u1edbn (xem video, xem full HD, d\u00f2ng 4K) ch\u1ea5t l\u01b0\u1ee3ng cao, game tr\u1ef1c tuy\u1ebfn , trao \u0111\u1ed5i dung l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn&#8230;), wifi 5GHz l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p. \u0110\u1eb7c bi\u1ec7t, wifi 5 GHz ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c thi\u1ebft b\u1ecb c\u1ea7n nhi\u1ec1u d\u1eef li\u1ec7u h\u01a1n nh\u01b0 laptop, m\u00e1y t\u00ednh b\u1ea3ng, \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng\u2026<\/p>\n\n\n\n<p>Trong h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p, n\u1ebfu router c\u1ee7a b\u1ea1n h\u1ed7 tr\u1ee3 b\u0103ng t\u1ea7n k\u00e9p, t\u1ed1t nh\u1ea5t l\u00e0 s\u1eed d\u1ee5ng c\u1ea3 hai. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng WiFi 5GHz cho c\u00e1c thi\u1ebft b\u1ecb c\u1ea7n t\u1ed1c \u0111\u1ed9 cao v\u00e0 WiFi 2.4GHz cho c\u00e1c thi\u1ebft b\u1ecb c\u1ea7n ph\u1ea1m vi ph\u1ee7 s\u00f3ng r\u1ed9ng h\u01a1n.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Co_nen_gop_2_bang_tan_WiFi\"><\/span><a><\/a>C\u00f3 n\u00ean g\u1ed9p 2 b\u0103ng t\u1ea7n WiFi?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"640\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-9-1024x640.jpg\" alt=\"\" class=\"wp-image-98449\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-9-1024x640.jpg 1024w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-9-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-9-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-9-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-9-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-9-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-9-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-9-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-9-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-9-1344x840.jpg 1344w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/09\/wifi-2-4-ghz-va-5-ghz-9.jpg 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"\"><figcaption class=\"wp-element-caption\">B\u1ea1n c\u00f3 th\u1ec3 g\u1ed9p c\u1ea3 2 b\u0103ng t\u1ea7n Wifi \u0111\u1ec3 s\u1eed d\u1ee5ng gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c qu\u1ea3n l\u00fd m\u1ea1ng<\/figcaption><\/figure>\n\n\n\n<p>Vi\u1ec7c g\u1ed9p hai b\u0103ng t\u1ea7n WiFi (2.4GHz v\u00e0 5GHz) c\u00f3 th\u1ec3 mang l\u1ea1i m\u1ed9t s\u1ed1 l\u1ee3i \u00edch. M\u1ed9t s\u1ed1 router hi\u1ec7n \u0111\u1ea1i h\u1ed7 tr\u1ee3 t\u00ednh n\u0103ng n\u00e0y, gi\u00fap t\u1ef1 \u0111\u1ed9ng ch\u1ecdn b\u0103ng t\u1ea7n t\u1ed1t nh\u1ea5t cho thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n t\u00edn hi\u1ec7u v\u00e0 nhu c\u1ea7u s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<p>L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c g\u1ed9p b\u0103ng t\u1ea7n:<\/p>\n\n\n\n<ul>\n<li><strong>T\u1ef1 \u0111\u1ed9ng ch\u1ecdn b\u0103ng t\u1ea7n t\u1ed1t nh\u1ea5t<\/strong>: Router c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n \u0111\u1ed5i gi\u1eefa 2.4GHz v\u00e0 5GHz \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i t\u1ed1t nh\u1ea5t cho thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n.<\/li>\n\n\n\n<li><strong>\u0110\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c qu\u1ea3n l\u00fd m\u1ea1ng<\/strong>: B\u1ea1n ch\u1ec9 c\u1ea7n nh\u1edb m\u1ed9t t\u00ean m\u1ea1ng (SSID) v\u00e0 m\u1eadt kh\u1ea9u cho t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb.<\/li>\n<\/ul>\n\n\n\n<p>H\u1ea1n ch\u1ebf c\u1ee7a vi\u1ec7c g\u1ed9p b\u0103ng t\u1ea7n:<\/p>\n\n\n\n<ul>\n<li><strong>Kh\u00f4ng ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c b\u0103ng t\u1ea7n s\u1eed d\u1ee5ng<\/strong>: \u0110\u00f4i khi thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi b\u0103ng t\u1ea7n 2.4GHz thay v\u00ec 5GHz, d\u1eabn \u0111\u1ebfn hi\u1ec7u su\u1ea5t kh\u00f4ng nh\u01b0 mong \u0111\u1ee3i.<\/li>\n\n\n\n<li><strong>C\u1ea7n router h\u1ed7 tr\u1ee3<\/strong>: Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 router \u0111\u1ec1u h\u1ed7 tr\u1ee3 t\u00ednh n\u0103ng n\u00e0y.<\/li>\n<\/ul>\n\n\n\n<p>Trong tr\u01b0\u1eddng h\u1ee3p b\u1ea1n mu\u1ed1n ki\u1ec3m so\u00e1t ho\u00e0n to\u00e0n vi\u1ec7c s\u1eed d\u1ee5ng b\u0103ng t\u1ea7n, b\u1ea1n c\u00f3 th\u1ec3 gi\u1eef hai b\u0103ng t\u1ea7n t\u00e1ch bi\u1ec7t v\u1edbi c\u00e1c t\u00ean m\u1ea1ng (SSID) kh\u00e1c nhau. \u0110i\u1ec1u n\u00e0y gi\u00fap b\u1ea1n ch\u1ee7 \u0111\u1ed9ng ch\u1ecdn b\u0103ng t\u1ea7n ph\u00f9 h\u1ee3p cho t\u1eebng thi\u1ebft b\u1ecb.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span><a><\/a>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>WiFi 2.4GHz v\u00e0 5GHz \u0111\u1ec1u c\u00f3 \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang. Vi\u1ec7c l\u1ef1a ch\u1ecdn s\u1eed d\u1ee5ng b\u0103ng t\u1ea7n n\u00e0o ph\u1ee5 thu\u1ed9c v\u00e0o nhu c\u1ea7u v\u00e0 m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng c\u1ee7a b\u1ea1n. N\u1ebfu b\u1ea1n c\u1ea7n ph\u1ea1m vi ph\u1ee7 s\u00f3ng r\u1ed9ng v\u00e0 kh\u1ea3 n\u0103ng xuy\u00ean t\u01b0\u1eddng t\u1ed1t, WiFi 2.4GHz l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p. N\u1ebfu b\u1ea1n c\u1ea7n t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u cao, WiFi 5GHz s\u1ebd \u0111\u00e1p \u1ee9ng t\u1ed1t h\u01a1n. V\u1edbi router h\u1ed7 tr\u1ee3 b\u0103ng t\u1ea7n k\u00e9p, b\u1ea1n c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng l\u1ee3i \u00edch c\u1ee7a c\u1ea3 hai b\u0103ng t\u1ea7n \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 l\u01b0\u1edbt web c\u1ee7a m\u00ecnh tr\u00ean c\u00e1c thi\u1ebft b\u1ecb c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n<p>V\u1edbi nh\u1eefng chia s\u1ebb c\u1ee7a Phong V\u0169 Tech News trong b\u00e0i vi\u1ebft n\u00e0y, hy v\u1ecdng \u0111\u00e3 gi\u00fap b\u1ea1n hi\u1ec3u h\u01a1n v\u1ec1 Wifi 2.4ghz v\u00e0 5ghz. H\u00e3y t\u00ecm hi\u1ec3u th\u00eam nhi\u1ec1u b\u00e0i vi\u1ebft tin c\u00f4ng ngh\u1ec7 tr\u00ean trang web c\u1ee7a ch\u00fang t\u00f4i m\u1ed7i ng\u00e0y nh\u00e9!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong th\u1eddi \u0111\u1ea1i c\u00f4ng ngh\u1ec7 ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n, vi\u1ec7c truy c\u1eadp internet kh\u00f4ng d\u00e2y \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y. WiFi l\u00e0 c\u00f4ng ngh\u1ec7 k\u1ebft n\u1ed1i m\u1ea1ng kh\u00f4ng d\u00e2y ph\u1ed5 bi\u1ebfn nh\u1ea5t, mang l\u1ea1i s\u1ef1 ti\u1ec7n l\u1ee3i v\u00e0 linh ho\u1ea1t cho ng\u01b0\u1eddi d\u00f9ng. Tuy nhi\u00ean, nhi\u1ec1u ng\u01b0\u1eddi [&hellip;]<\/p>\n","protected":false},"author":28,"featured_media":98440,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false},"categories":[74,1864],"tags":[],"_links":{"self":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/98439"}],"collection":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/users\/28"}],"replies":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/comments?post=98439"}],"version-history":[{"count":2,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/98439\/revisions"}],"predecessor-version":[{"id":98463,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/98439\/revisions\/98463"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media\/98440"}],"wp:attachment":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media?parent=98439"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/categories?post=98439"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/tags?post=98439"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}