{"id":3466,"date":"2025-12-03T17:11:00","date_gmt":"2025-12-03T17:11:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/what-is-a-wireless-lan-wlan-wireless-lan-basics-explained\/"},"modified":"2026-06-22T04:22:40","modified_gmt":"2026-06-22T04:22:40","slug":"what-is-a-wireless-lan-wlan-wireless-lan-basics-explained","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-a-wireless-lan-wlan-wireless-lan-basics-explained","title":{"rendered":"M\u1ea1ng c\u1ee5c b\u1ed9 kh\u00f4ng d\u00e2y (WLAN) l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a b\u1ea1n v\u1ec1 m\u1ea1ng kh\u00f4ng d\u00e2y"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1408\" height=\"768\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6b926899eee6432f965bbd0e11b71cca.jpg\" alt=\"What Is a Wireless LAN (WLAN)\" class=\"wp-image-3463\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6b926899eee6432f965bbd0e11b71cca.jpg 1408w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6b926899eee6432f965bbd0e11b71cca-300x164.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6b926899eee6432f965bbd0e11b71cca-1024x559.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6b926899eee6432f965bbd0e11b71cca-768x419.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6b926899eee6432f965bbd0e11b71cca-18x10.jpg 18w\" sizes=\"(max-width: 1408px) 100vw, 1408px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Trong th\u1ebf gi\u1edbi si\u00eau k\u1ebft n\u1ed1i c\u1ee7a ch\u00fang ta, kh\u1ea3 n\u0103ng truy c\u1eadp internet v\u00e0 chia s\u1ebb d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng b\u1ecb r\u00e0ng bu\u1ed9c b\u1edfi c\u00e1p kh\u00f4ng c\u00f2n l\u00e0 m\u1ed9t \u0111\u1eb7c quy\u1ec1n\u2014m\u00e0 \u0111\u00e3 tr\u1edf th\u00e0nh k\u1ef3 v\u1ecdng. \u1ede trung t\u00e2m c\u1ee7a s\u1ef1 t\u1ef1 do kh\u00f4ng d\u00e2y n\u00e0y l\u00e0<br> <strong>M\u1ea1ng c\u1ee5c b\u1ed9 kh\u00f4ng d\u00e2y (WLAN)<br><\/strong>. Nh\u01b0ng<br> <strong>WLAN th\u1ef1c ch\u1ea5t l\u00e0 g\u00ec<br><\/strong>, c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng ra sao v\u00e0 t\u1ea1i sao n\u00f3 l\u1ea1i quan tr\u1ecdng \u0111\u1ebfn v\u1eady \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ed9 gia \u0111\u00ecnh v\u00e0 doanh nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i? H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n n\u00e0y s\u1ebd l\u00e0m r\u00f5 c\u00f4ng ngh\u1ec7 WLAN, kh\u00e1m ph\u00e1 qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n c\u1ee7a n\u00f3 v\u00e0 n\u00eau b\u1eadt nh\u1eefng y\u1ebfu t\u1ed1 then ch\u1ed1t c\u1ea7n c\u00e2n nh\u1eafc khi x\u00e2y d\u1ef1ng m\u1ed9t m\u1ea1ng l\u01b0\u1edbi v\u1eefng ch\u1eafc.<br>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd Nh\u1eefng \u0111i\u1ec3m c\u1ea7n ghi nh\u1edb ch\u00ednh<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>A <strong>M\u1ea1ng c\u1ee5c b\u1ed9 kh\u00f4ng d\u00e2y (WLAN)<br><\/strong> cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i m\u00e0 kh\u00f4ng c\u1ea7n d\u00e2y c\u00e1p. N\u00f3 s\u1eed d\u1ee5ng s\u00f3ng v\u00f4 tuy\u1ebfn \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y t\u00ednh x\u00e1ch tay v\u00e0 \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh.<br>.<\/p><\/li><li><p>C\u00e1c th\u00e0nh ph\u1ea7n quan tr\u1ecdng c\u1ee7a m\u1ed9t WLAN bao g\u1ed3m \u0111i\u1ec3m truy c\u1eadp kh\u00f4ng d\u00e2y v\u00e0 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn kh\u00f4ng d\u00e2y. B\u1ea1n c\u0169ng c\u1ea7n c\u00e1c thi\u1ebft b\u1ecb kh\u00e1ch v\u00e0 \u0111\u00f4i khi c\u1ea7n b\u1ed9 \u0111i\u1ec1u h\u1ee3p m\u1ea1ng.<br>.<\/p><\/li><li><p>WLAN mang l\u1ea1i s\u1ef1 t\u1ef1 do di chuy\u1ec3n cho c\u00e1c thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n. B\u1ea1n c\u00f3 th\u1ec3 duy tr\u00ec k\u1ebft n\u1ed1i khi di chuy\u1ec3n xung quanh. \u0110i\u1ec1u n\u00e0y khi\u1ebfn WLAN r\u1ea5t ph\u00f9 h\u1ee3p cho h\u1ed9 gia \u0111\u00ecnh, tr\u01b0\u1eddng h\u1ecdc v\u00e0 v\u0103n ph\u00f2ng.<br>.<\/p><\/li><li><p>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho WLAN c\u1ee7a b\u1ea1n, h\u00e3y s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u m\u1ea1nh. B\u1eadt t\u00ednh n\u0103ng m\u00e3 h\u00f3a v\u00e0 th\u01b0\u1eddng xuy\u00ean c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn.<br>.<\/p><\/li><li><p>Thi\u1ebft l\u1eadp m\u1ed9t WLAN r\u1ea5t \u0111\u01a1n gi\u1ea3n. Ch\u1ecdn m\u1ed9t b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 k\u1ebft n\u1ed1i n\u00f3 v\u1edbi internet. \u0110\u1eb7t t\u00ean m\u1ea1ng v\u00e0 m\u1eadt kh\u1ea9u. Sau \u0111\u00f3 k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n.<br>.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd Hi\u1ec3u kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i: \u0110\u1ecbnh ngh\u0129a WLAN<br><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>M\u1ea1ng c\u1ee5c b\u1ed9 kh\u00f4ng d\u00e2y (WLAN)<br><\/strong> l\u00e0 m\u1ed9t m\u1ea1ng cho ph\u00e9p hai ho\u1eb7c nhi\u1ec1u thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i v\u00e0 giao ti\u1ebfp kh\u00f4ng d\u00e2y trong m\u1ed9t khu v\u1ef1c gi\u1edbi h\u1ea1n, ch\u1eb3ng h\u1ea1n nh\u01b0 nh\u00e0 \u1edf, v\u0103n ph\u00f2ng, tr\u01b0\u1eddng h\u1ecdc ho\u1eb7c khu\u00f4n vi\u00ean tr\u01b0\u1eddng. Kh\u00e1c v\u1edbi m\u1ea1ng c\u1ee5c b\u1ed9 c\u00f3 d\u00e2y truy\u1ec1n th\u1ed1ng s\u1eed d\u1ee5ng c\u00e1p Ethernet, WLAN truy\u1ec1n v\u00e0 nh\u1eadn d\u1eef li\u1ec7u b\u1eb1ng s\u00f3ng t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn (RF), ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 theo b\u1ed9 ti\u00eau chu\u1ea9n<br> <strong>IEEE 802.11<br><\/strong>\u2014\u0111i\u1ec1u m\u00e0 ch\u00fang ta th\u01b0\u1eddng g\u1ecdi chung l\u00e0<br> <strong>Wi-Fi<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a WLAN l\u00e0 cung c\u1ea5p kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i m\u1ea1ng \u0111\u1ed3ng th\u1eddi n\u00e2ng cao t\u00ednh di \u0111\u1ed9ng v\u00e0 gi\u1ea3m b\u1edbt s\u1ef1 l\u1ed9n x\u1ed9n c\u0169ng nh\u01b0 chi ph\u00ed li\u00ean quan \u0111\u1ebfn c\u00e1p v\u1eadt l\u00fd. T\u1eeb vi\u1ec7c \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh c\u1ee7a b\u1ea1n ph\u00e1t tr\u1ef1c tuy\u1ebfn video \u0111\u1ebfn vi\u1ec7c m\u00e1y t\u00ednh x\u00e1ch tay truy c\u1eadp c\u00e1c gi\u1ea3i ph\u00e1p<br> <strong>WLAN doanh nghi\u1ec7p<br><\/strong>, d\u1ef1a tr\u00ean \u0111\u00e1m m\u00e2y, t\u1ea5t c\u1ea3 \u0111\u1ec1u \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh b\u1edfi c\u00f4ng ngh\u1ec7 n\u1ec1n t\u1ea3ng n\u00e0y.<br>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd WLAN ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? C\u00e1c th\u00e0nh ph\u1ea7n v\u00e0 ki\u1ebfn tr\u00fac then ch\u1ed1t<br><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t<br> <strong>WLAN<br><\/strong> ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 d\u1ef1a tr\u00ean m\u1ed9t v\u00e0i th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu ph\u1ed1i h\u1ee3p \u0103n \u00fd v\u1edbi nhau:<br><\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px;\"><strong>\u0110i\u1ec3m truy c\u1eadp kh\u00f4ng d\u00e2y (AP):<\/strong> \u0110\u00e2y l\u00e0 trung t\u00e2m \u0111i\u1ec1u khi\u1ec3n c\u1ee7a m\u1ed9t m\u1ea1ng WLAN ti\u00eau chu\u1ea9n. Thi\u1ebft b\u1ecb AP k\u1ebft n\u1ed1i v\u1edbi b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn c\u00f3 d\u00e2y, b\u1ed9 chuy\u1ec3n m\u1ea1ch ho\u1eb7c b\u1ed9 \u0111i\u1ec1u ch\u1ebf\/gi\u1ea3i \u0111i\u1ec1u ch\u1ebf (modem) th\u00f4ng qua m\u1ed9t <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/cat5e-vs-cat6-vs-cat7-ethernet-cable\/\"><strong>C\u00e1p Ethernet<\/strong><\/a> v\u00e0 ph\u00e1t t\u00edn hi\u1ec7u kh\u00f4ng d\u00e2y. C\u00e1c thi\u1ebft b\u1ecb trong ph\u1ea1m vi ph\u1ee7 s\u00f3ng sau \u0111\u00f3 c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi n\u00f3. Trong c\u00e1c tri\u1ec3n khai quy m\u00f4 l\u1edbn h\u01a1n, v\u00ed d\u1ee5 nh\u01b0 t\u1ea1i c\u00e1c khu\u00f4n vi\u00ean tr\u01b0\u1eddng, nhi\u1ec1u thi\u1ebft b\u1ecb AP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u1eb1m cung c\u1ea5p v\u00f9ng ph\u1ee7 s\u00f3ng li\u1ec1n m\u1ea1ch.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Kh\u00e1ch h\u00e0ng kh\u00f4ng d\u00e2y (Tr\u1ea1m \u2013 STA):<\/strong> \u0110\u00e2y l\u00e0 c\u00e1c thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i v\u00e0o m\u1ea1ng WLAN. Bao g\u1ed3m m\u00e1y t\u00ednh x\u00e1ch tay, \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, m\u00e1y t\u00ednh b\u1ea3ng, thi\u1ebft b\u1ecb IoT nh\u01b0 b\u1ed9 \u0111i\u1ec1u nhi\u1ec7t th\u00f4ng minh v\u00e0 m\u00e1y in hi\u1ec7n \u0111\u1ea1i.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn kh\u00f4ng d\u00e2y:<\/strong> Trong c\u1ea5u h\u00ecnh \u0111i\u1ec3n h\u00ecnh cho gia \u0111\u00ecnh ho\u1eb7c v\u0103n ph\u00f2ng nh\u1ecf, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn kh\u00f4ng d\u00e2y t\u00edch h\u1ee3p ch\u1ee9c n\u0103ng c\u1ee7a b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn (k\u1ebft n\u1ed1i v\u1edbi Nh\u00e0 cung c\u1ea5p D\u1ecbch v\u1ee5 Internet), b\u1ed9 chuy\u1ec3n m\u1ea1ch v\u00e0 thi\u1ebft b\u1ecb AP kh\u00f4ng d\u00e2y th\u00e0nh m\u1ed9t thi\u1ebft b\u1ecb duy nh\u1ea5t.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n WLAN:<\/strong> \u0110\u1ec3 qu\u1ea3n l\u00fd <strong>c\u00e1c tri\u1ec3n khai WLAN doanh nghi\u1ec7p quy m\u00f4 l\u1edbn<\/strong>, ng\u01b0\u1eddi ta s\u1eed d\u1ee5ng c\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n t\u1eadp trung nh\u1eb1m t\u1ef1 \u0111\u1ed9ng h\u00f3a vi\u1ec7c c\u1ea5u h\u00ecnh, gi\u00e1m s\u00e1t v\u00e0 t\u1ed1i \u01b0u h\u00f3a h\u00e0ng ch\u1ee5c ho\u1eb7c h\u00e0ng tr\u0103m thi\u1ebft b\u1ecb AP, \u0111\u1ea3m b\u1ea3o an ninh v\u00e0 hi\u1ec7u n\u0103ng.<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Qu\u00e1 tr\u00ecnh truy\u1ec1n th\u00f4ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u ti\u1ebft b\u1edfi giao th\u1ee9c <strong>Giao th\u1ee9c 802.11<\/strong>. Khi thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n (m\u00e1y kh\u00e1ch) mu\u1ed1n k\u1ebft n\u1ed1i, n\u00f3 th\u1ef1c hi\u1ec7n x\u00e1c th\u1ef1c v\u00e0 li\u00ean k\u1ebft v\u1edbi m\u1ed9t thi\u1ebft b\u1ecb AP. D\u1eef li\u1ec7u sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf l\u00ean s\u00f3ng v\u00f4 tuy\u1ebfn v\u00e0 truy\u1ec1n \u0111i tr\u00ean c\u00e1c k\u00eanh c\u1ee5 th\u1ec3 trong d\u1ea3i t\u1ea7n 2,4 GHz ho\u1eb7c 5 GHz.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ac26be28cdc940fda107b7969a49c25a.webp\" alt=\"Wireless LAN (WLAN)\" class=\"wp-image-3464\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ac26be28cdc940fda107b7969a49c25a.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ac26be28cdc940fda107b7969a49c25a-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ac26be28cdc940fda107b7969a49c25a-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ac26be28cdc940fda107b7969a49c25a-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ac26be28cdc940fda107b7969a49c25a-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd WLAN so v\u1edbi Wi-Fi: C\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0o kh\u00f4ng?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 hai thu\u1eadt ng\u1eef n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng thay th\u1ebf cho nhau, nh\u01b0ng v\u1eabn t\u1ed3n t\u1ea1i m\u1ed9t kh\u00e1c bi\u1ec7t tinh t\u1ebf:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>WLAN<br><\/strong> l\u00e0 kh\u00e1i ni\u1ec7m t\u1ed5ng qu\u00e1t, bao qu\u00e1t v\u1ec1 m\u1ea1ng kh\u00f4ng d\u00e2y.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Wi-Fi<\/strong> l\u00e0 m\u1ed9t nh\u00e3n hi\u1ec7u c\u1ee5 th\u1ec3 v\u00e0 ch\u1ee9ng nh\u1eadn d\u00e0nh cho c\u00e1c s\u1ea3n ph\u1ea9m d\u1ef1a tr\u00ean c\u00e1c <strong>ti\u00eau chu\u1ea9n IEEE 802.11<\/strong>, do Li\u00ean minh Wi-Fi qu\u1ea3n l\u00fd. Khi m\u1ed9t thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c \u201cCh\u1ee9ng nh\u1eadn Wi-Fi\u201d, \u0111i\u1ec1u \u0111\u00f3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c gi\u1eefa thi\u1ebft b\u1ecb \u0111\u00f3 v\u1edbi c\u00e1c thi\u1ebft b\u1ecb \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn kh\u00e1c. V\u00ec v\u1eady, m\u1ecdi m\u1ea1ng Wi-Fi \u0111\u1ec1u l\u00e0 m\u1ea1ng WLAN, nh\u01b0ng kh\u00f4ng ph\u1ea3i m\u1ecdi m\u1ea1ng WLAN (d\u00f9 ng\u00e0y nay r\u1ea5t hi\u1ebfm) \u0111\u1ec1u s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 Wi-Fi \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd S\u1ef1 ti\u1ebfn h\u00f3a c\u1ee7a c\u00e1c ti\u00eau chu\u1ea9n WLAN: T\u1eeb ch\u1eadm \u0111\u1ebfn si\u00eau nhanh<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Wi-Fi<\/strong> c\u00e1c ti\u00eau chu\u1ea9n \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd nh\u1eb1m mang l\u1ea1i t\u1ed1c \u0111\u1ed9 cao h\u01a1n, ph\u1ea1m vi ph\u1ee7 s\u00f3ng t\u1ed1t h\u01a1n v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ea3i thi\u1ec7n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1i nh\u00ecn t\u1ed5ng quan nhanh v\u1ec1 c\u00e1c th\u1ebf h\u1ec7 ch\u00ednh:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Ti\u00eau chu\u1ea9n (IEEE)<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>T\u00ean th\u01b0\u01a1ng m\u1ea1i<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>T\u1ed1c \u0111\u1ed9 l\u00fd thuy\u1ebft t\u1ed1i \u0111a<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>D\u1ea3i t\u1ea7n s\u1ed1<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Ti\u1ebfn b\u1ed9 n\u1ed5i b\u1eadt<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>11b\/g\/n<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Wi-Fi 4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1i \u0111a 600 Mbps<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>2,4 GHz &amp; 5 GHz<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Gi\u1edbi thi\u1ec7u MIMO (\u0110\u1ea7u v\u00e0o nhi\u1ec1u \u2013 \u0110\u1ea7u ra nhi\u1ec1u)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>11ac<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Wi-Fi 5<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1i \u0111a 3,5 Gbps<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>5 GHz<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u00e1c k\u00eanh r\u1ed9ng h\u01a1n, MIMO nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng (MU-MIMO)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>11ax<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>Wi-Fi 6 \/ Wi-Fi 6E<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1i \u0111a 9,6 Gbps<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>2,4, 5 v\u00e0 6 GHz<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-ofdma-role-modern-connectivity-wifi-5g-networks\/\"><strong>OFDMA<\/strong><\/a>, hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n trong m\u00f4i tr\u01b0\u1eddng d\u00e0y \u0111\u1eb7c<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>11be<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/wifi-7-differences-faster-speeds-multi-link-operation\/\"><strong>Wi-Fi 7<\/strong><\/a> (\u0110ang xu\u1ea5t hi\u1ec7n)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1i \u0111a h\u01a1n 40 Gbps<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>2,4, 5 v\u00e0 6 GHz<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u00e1c k\u00eanh 320 MHz, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/multi-link-operation-mlo-in-wi-fi-networks-explained\/\"><strong>Ho\u1ea1t \u0111\u1ed9ng \u0111a li\u00ean k\u1ebft (MLO)<\/strong><\/a><\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t h\u1ec7 th\u1ed1ng <strong>m\u1ea1ng kh\u00f4ng d\u00e2y m\u1eadt \u0111\u1ed9 cao, s\u1eb5n s\u00e0ng cho t\u01b0\u01a1ng lai<\/strong>, \u0111\u1ea7u t\u01b0 v\u00e0o <strong>c\u00e1c \u0111i\u1ec3m truy c\u1eadp Wi-Fi 6\/6E<\/strong> hi\u1ec7n \u0111\u01b0\u1ee3c coi l\u00e0 ti\u00eau chu\u1ea9n chuy\u00ean nghi\u1ec7p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd Vai tr\u00f2 then ch\u1ed1t c\u1ee7a c\u00e1c module quang trong \u0111\u01b0\u1eddng truy\u1ec1n ng\u01b0\u1ee3c WLAN hi\u1ec7n \u0111\u1ea1i<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Khi c\u00e1c m\u1ea1ng WLAN ph\u00e1t tri\u1ec3n \u0111\u1ec3 h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 \u0111a gigabit v\u00e0 h\u00e0ng ngh\u00ecn thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i\u2014\u0111i\u1ec1u ph\u1ed5 bi\u1ebfn t\u1ea1i <strong>WLAN doanh nghi\u1ec7p<br><\/strong> v\u00e0 c\u00e1c \u0111\u1ecba \u0111i\u1ec3m c\u00f4ng c\u1ed9ng quy m\u00f4 l\u1edbn\u2014th\u00ec <strong>m\u1ea1ng l\u00f5i<\/strong> k\u1ebft n\u1ed1i c\u00e1c \u0111i\u1ec3m truy c\u1eadp c\u0169ng ph\u1ea3i ti\u1ebfn h\u00f3a \u0111\u1ed3ng b\u1ed9. \u0110\u00e2y ch\u00ednh l\u00e0 l\u00fac c\u00e1p Ethernet \u0111\u1ed3ng th\u01b0\u1eddng \u0111\u1ea1t gi\u1edbi h\u1ea1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y ch\u00ednh x\u00e1c l\u00e0 n\u01a1i m\u00e0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>module quang<br><\/strong><\/a>, or <strong>b\u1ed9 thu ph\u00e1t<\/strong>, tr\u1edf n\u00ean kh\u00f4ng th\u1ec3 thi\u1ebfu. Nh\u1eefng thi\u1ebft b\u1ecb nh\u1ecf, c\u1eafm n\u00f3ng \u0111\u01b0\u1ee3c n\u00e0y chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n t\u1eeb c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch m\u1ea1ng th\u00e0nh t\u00edn hi\u1ec7u quang truy\u1ec1n qua <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/fiber-optic-cable-what-it-is-and-how-it-works-explained\/\"><strong>c\u00e1p quang<\/strong><\/a>. \u0110\u01b0\u1eddng truy\u1ec1n ng\u01b0\u1ee3c b\u1eb1ng c\u00e1p quang r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi WLAN hi\u1ec7n \u0111\u1ea1i v\u00ec n\u00f3 cung c\u1ea5p:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>B\u0103ng th\u00f4ng c\u1ef1c cao:<\/strong> X\u1eed l\u00fd d\u1ec5 d\u00e0ng l\u01b0u l\u01b0\u1ee3ng t\u1ed5ng h\u1ee3p t\u1eeb nhi\u1ec1u <strong>c\u00e1c \u0111i\u1ec3m truy c\u1eadp Wi-Fi 6\/6E<\/strong>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Truy\u1ec1n d\u1eabn kho\u1ea3ng c\u00e1ch xa:<\/strong> S\u1ee3i quang c\u00f3 th\u1ec3 ch\u1ea1y h\u00e0ng kil\u00f4m\u00e9t m\u00e0 kh\u00f4ng b\u1ecb suy hao t\u00edn hi\u1ec7u, r\u1ea5t ph\u00f9 h\u1ee3p \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c t\u00f2a nh\u00e0 trong khu\u00f4n vi\u00ean.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Kh\u1ea3 n\u0103ng mi\u1ec5n nhi\u1ec5m v\u1edbi nhi\u1ec5u \u0111i\u1ec7n t\u1eeb:<\/strong> \u0110\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u00e1ng tin c\u1eady cho c\u00e1c m\u1ea1ng ph\u1ee5c v\u1ee5 nhi\u1ec7m v\u1ee5 tr\u1ecdng y\u1ebfu.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Khi tri\u1ec3n khai m\u1ed9t <strong>m\u1ea1ng WLAN hi\u1ec7u su\u1ea5t cao cho doanh nghi\u1ec7p quy m\u00f4 l\u1edbn,<\/strong> vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1c module quang \u0111\u00e1ng tin c\u1eady v\u00e0 t\u01b0\u01a1ng th\u00edch l\u00e0 \u0111i\u1ec1u b\u1eaft bu\u1ed9c. V\u00ed d\u1ee5, module <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/475415.htm\"><strong>LI\u00caN K\u1ebeT-PP SFP-10G-SR<\/strong><\/a> l\u00e0 m\u1ed9t b\u1ed9 thu ph\u00e1t ch\u1ea5t l\u01b0\u1ee3ng cao, t\u01b0\u01a1ng th\u00edch \u0111a n\u1ec1n t\u1ea3ng, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c k\u1ebft n\u1ed1i \u0111a gigabit \u1edf kho\u1ea3ng c\u00e1ch ng\u1eafn qua <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/om1-om2-om3-om4-om5-multimode-fiber-guide\/\"><strong>c\u00e1p quang \u0111a mode<\/strong><\/a>, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn xu\u1ea5t s\u1eafc \u0111\u1ec3 t\u1eadp trung l\u01b0u l\u01b0\u1ee3ng t\u1eeb vi\u1ec7c tri\u1ec3n khai d\u00e0y \u0111\u1eb7c c\u00e1c \u0111i\u1ec3m truy c\u1eadp (AP) v\u1ec1 m\u1ea1ng l\u00f5i. Vi\u1ec7c t\u00edch h\u1ee3p c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 v\u1eady \u0111\u1ea3m b\u1ea3o n\u1ec1n t\u1ea3ng m\u1ea1ng kh\u00f4ng d\u00e2y c\u1ee7a b\u1ea1n v\u1eefng ch\u1eafc nh\u01b0 ch\u00ednh t\u00edn hi\u1ec7u kh\u00f4ng d\u00e2y c\u1ee7a n\u00f3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd C\u00e1c lo\u1ea1i c\u1ea5u h\u00ecnh WLAN ch\u00ednh<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px;\"><strong>Ch\u1ebf \u0111\u1ed9 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng:<\/strong> C\u1ea5u h\u00ecnh ph\u1ed5 bi\u1ebfn nh\u1ea5t. T\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb kh\u00e1ch kh\u00f4ng d\u00e2y \u0111\u1ec1u giao ti\u1ebfp th\u00f4ng qua m\u1ed9t \u0111i\u1ec3m truy c\u1eadp trung t\u00e2m <strong>(AP)<\/strong>, n\u01a1i qu\u1ea3n l\u00fd l\u01b0u l\u01b0\u1ee3ng v\u00e0 k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng c\u00f3 d\u00e2y.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Ch\u1ebf \u0111\u1ed9 Ad-Hoc (ngang h\u00e0ng):<\/strong> C\u00e1c thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi nhau m\u00e0 kh\u00f4ng c\u1ea7n AP. H\u1eefu \u00edch cho vi\u1ec7c truy\u1ec1n t\u1eadp tin t\u1ea1m th\u1eddi nh\u01b0ng kh\u00f4ng h\u1ed7 tr\u1ee3 truy c\u1eadp internet.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>H\u1ec7 th\u1ed1ng Wi-Fi l\u01b0\u1edbi (Mesh):<\/strong> Gi\u1ea3i ph\u00e1p hi\u1ec7n \u0111\u1ea1i nh\u1eb1m lo\u1ea1i b\u1ecf c\u00e1c v\u00f9ng ch\u1ebft. Nhi\u1ec1u n\u00fat l\u01b0\u1edbi (satellite) k\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y v\u1edbi b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn ch\u00ednh, t\u1ea1o ra m\u1ed9t m\u1ea1ng li\u1ec1n m\u1ea1ch, bao ph\u1ee7 to\u00e0n di\u1ec7n tr\u00ean di\u1ec7n t\u00edch r\u1ed9ng \u2014 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho <strong>kh\u1ea3 n\u0103ng ph\u1ee7 s\u00f3ng Wi-Fi to\u00e0n ng\u00f4i nh\u00e0<\/strong>.<\/p><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd \u01afu \u0111i\u1ec3m v\u00e0 th\u00e1ch th\u1ee9c c\u1ee7a WLAN<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2714 \u01afu \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>T\u00ednh di \u0111\u1ed9ng &amp; ti\u1ec7n l\u1ee3i:<\/strong> S\u1ef1 t\u1ef1 do ch\u01b0a t\u1eebng c\u00f3 khi k\u1ebft n\u1ed1i t\u1eeb b\u1ea5t k\u1ef3 v\u1ecb tr\u00ed n\u00e0o trong ph\u1ea1m vi ph\u1ee7 s\u00f3ng.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Tri\u1ec3n khai ti\u1ebft ki\u1ec7m chi ph\u00ed:<\/strong> Lo\u1ea1i b\u1ecf chi ph\u00ed l\u1eafp \u0111\u1eb7t c\u00e1p, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c t\u00f2a nh\u00e0 kh\u00f3 \u0111i d\u00e2y.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng:<\/strong> D\u1ec5 d\u00e0ng th\u00eam ng\u01b0\u1eddi d\u00f9ng v\u00e0 thi\u1ebft b\u1ecb m\u1edbi m\u00e0 kh\u00f4ng c\u1ea7n c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u1eadt l\u00fd m\u1edbi.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>T\u00ednh linh ho\u1ea1t:<\/strong> M\u1ea1ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp, c\u1ea5u h\u00ecnh l\u1ea1i ho\u1eb7c m\u1edf r\u1ed9ng nhanh ch\u00f3ng.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2718 Th\u00e1ch th\u1ee9c &amp; L\u01b0u \u00fd:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>B\u1ea3o m\u1eadt:<\/strong> T\u00edn hi\u1ec7u kh\u00f4ng d\u00e2y c\u00f3 th\u1ec3 lan r\u1ed9ng v\u01b0\u1ee3t ra ngo\u00e0i ranh gi\u1edbi v\u1eadt l\u00fd, do \u0111\u00f3 c\u00e1c giao th\u1ee9c b\u1ea3o m\u1eadt WLAN m\u1ea1nh m\u1ebd (WPA3) <strong>v\u00e0 m\u00e3 h\u00f3a m\u1ea1nh l\u00e0 b\u1eaft bu\u1ed9c.<\/strong> Nhi\u1ec5u v\u00e0 \u0111\u1ed9 tin c\u1eady:.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Hi\u1ec7u su\u1ea5t c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi ch\u01b0\u1edbng ng\u1ea1i v\u1eadt v\u1eadt l\u00fd, c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed kh\u00e1c v\u00e0 c\u00e1c m\u1ea1ng l\u00e2n c\u1eadn.<\/strong> T\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 tr\u1ec5:.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>M\u1eb7c d\u00f9 \u0111ang kh\u00f4ng ng\u1eebng c\u1ea3i thi\u1ec7n, k\u1ebft n\u1ed1i c\u00f3 d\u00e2y n\u00f3i chung v\u1eabn mang l\u1ea1i t\u1ed1c \u0111\u1ed9 v\u01b0\u1ee3t tr\u1ed9i v\u00e0 \u0111\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 nh\u1ea1y c\u1ef1c cao.<\/strong> \ud83d\udcdd K\u1ebft lu\u1eadn: C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00f4 h\u00ecnh c\u1ee7a kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i hi\u1ec7n \u0111\u1ea1i.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u0111\u00e3 chuy\u1ec3n m\u00ecnh t\u1eeb m\u1ed9t ti\u1ec7n \u00edch chuy\u00ean bi\u1ec7t th\u00e0nh c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00f4 h\u00ecnh, thi\u1ebft y\u1ebfu chi ph\u1ed1i c\u00e1ch ch\u00fang ta s\u1ed1ng, l\u00e0m vi\u1ec7c v\u00e0 h\u1ecdc t\u1eadp. Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a n\u00f3, c\u00e1c chu\u1ea9n nh\u01b0<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>M\u1ea1ng LAN kh\u00f4ng d\u00e2y<\/strong> Wi-Fi 6 <strong>, v\u00e0 c\u00e1c th\u1ef1c ti\u1ec5n t\u1ed1t nh\u1ea5t cho<\/strong>, thi\u1ebft k\u1ebf WLAN an to\u00e0n v\u00e0 m\u1edf r\u1ed9ng quy m\u00f4 <strong>l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ed1i v\u1edbi c\u1ea3 chuy\u00ean gia CNTT l\u1eabn ng\u01b0\u1eddi d\u00f9ng c\u00f3 hi\u1ec3u bi\u1ebft.<\/strong> D\u00f9 b\u1ea1n \u0111ang t\u1ed1i \u01b0u h\u00f3a m\u1ed9t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">m\u1ea1ng WLAN cho v\u0103n ph\u00f2ng t\u1ea1i nh\u00e0 <strong>hay thi\u1ebft k\u1ebf m\u1ed9t<\/strong> m\u1ea1ng kh\u00f4ng d\u00e2y c\u1ea5p nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 (carrier-grade), <strong>c\u00e1c nguy\u00ean t\u1eafc v\u1eabn kh\u00f4ng thay \u0111\u1ed5i: \u01b0u ti\u00ean b\u1ea3o m\u1eadt v\u1eefng ch\u1eafc, l\u00ean k\u1ebf ho\u1ea1ch k\u1ef9 l\u01b0\u1ee1ng cho ph\u1ea1m vi ph\u1ee7 s\u00f3ng v\u00e0 m\u1eadt \u0111\u1ed9 thi\u1ebft b\u1ecb, \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng k\u1ebft n\u1ed1i c\u00f3 d\u00e2y ph\u00eda sau \u2014 c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng c\u00e1c th\u00e0nh ph\u1ea7n hi\u1ec7u su\u1ea5t cao nh\u01b0<\/strong>, \u2014 s\u1eb5n s\u00e0ng \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng v\u1ec1 t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a k\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y. <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>c\u00e1c module quang LINK-PP<\/strong><\/a>Nh\u1eefng thi\u1ebft b\u1ecb n\u00e0o c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng LAN kh\u00f4ng d\u00e2y?.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd FAQ<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >B\u1ea1n c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i m\u00e1y t\u00ednh x\u00e1ch tay, \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, m\u00e1y t\u00ednh b\u1ea3ng, m\u00e1y in v\u00e0 TV th\u00f4ng minh. H\u1ea7u h\u1ebft c\u00e1c thi\u1ebft b\u1ecb m\u1edbi \u0111\u1ec1u ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c v\u1edbi m\u1ea1ng LAN kh\u00f4ng d\u00e2y. B\u1ea1n kh\u00f4ng c\u1ea7n c\u00e1p \u0111\u1ec3 s\u1eed d\u1ee5ng m\u1ea1ng.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ed9t m\u1ea1ng LAN kh\u00f4ng d\u00e2y \u0111i\u1ec3n h\u00ecnh l\u00e0 bao nhi\u00eau?.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >M\u1ed9t m\u1ea1ng LAN kh\u00f4ng d\u00e2y th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng trong ph\u1ea1m vi t\u1ed1i \u0111a 150 feet (kho\u1ea3ng 45 m\u00e9t) trong nh\u00e0. T\u01b0\u1eddng v\u00e0 c\u00e1c v\u1eadt c\u1ea3n kh\u00e1c c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m ph\u1ea1m vi n\u00e0y. Ngo\u00e0i tr\u1eddi, ph\u1ea1m vi c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi 300 feet (kho\u1ea3ng 90 m\u00e9t) n\u1ebfu kh\u00f4ng c\u00f3 v\u1eadt c\u1ea3n n\u00e0o ch\u1eb7n t\u00edn hi\u1ec7u.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n c\u1ea7n nh\u1eefng g\u00ec \u0111\u1ec3 truy c\u1eadp Wi-Fi t\u1ea1i nh\u00e0?.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >B\u1ea1n c\u1ea7n m\u1ed9t b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn kh\u00f4ng d\u00e2y v\u00e0 k\u1ebft n\u1ed1i internet. Thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y. Thi\u1ebft l\u1eadp b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 \u0111\u1eb7t t\u00ean m\u1ea1ng c\u00f9ng m\u1eadt kh\u1ea9u. K\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n \u0111\u1ec3 s\u1eed d\u1ee5ng Wi-Fi t\u1ea1i nh\u00e0.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u g\u00ec l\u00e0m cho m\u1ea1ng LAN kh\u00f4ng d\u00e2y kh\u00e1c bi\u1ec7t so v\u1edbi m\u1ea1ng LAN c\u00f3 d\u00e2y?.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >M\u1ea1ng LAN kh\u00f4ng d\u00e2y k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb b\u1eb1ng s\u00f3ng v\u00f4 tuy\u1ebfn. M\u1ea1ng LAN c\u00f3 d\u00e2y s\u1eed d\u1ee5ng c\u00e1p \u0111\u1ec3 li\u00ean k\u1ebft c\u00e1c thi\u1ebft b\u1ecb. V\u1edbi m\u1ea1ng LAN kh\u00f4ng d\u00e2y, b\u1ea1n c\u00f3 th\u1ec3 di chuy\u1ec3n t\u1ef1 do. C\u00f2n m\u1ea1ng LAN c\u00f3 d\u00e2y gi\u1eef c\u00e1c thi\u1ebft b\u1ecb c\u1ed1 \u0111\u1ecbnh t\u1ea1i m\u1ed9t ch\u1ed7.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n n\u00ean l\u00e0m g\u00ec n\u1ebfu m\u1ea1ng LAN kh\u00f4ng d\u00e2y c\u1ee7a b\u1ea1n ch\u1eadm?.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Di chuy\u1ec3n g\u1ea7n b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn h\u01a1n \u0111\u1ec3 nh\u1eadn t\u00edn hi\u1ec7u t\u1ed1t h\u01a1n. H\u00e3y th\u1eed s\u1eed d\u1ee5ng \u00edt thi\u1ebft b\u1ecb h\u01a1n tr\u00ean m\u1ea1ng. Kh\u1edfi \u0111\u1ed9ng l\u1ea1i b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn \u0111\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1. Ki\u1ec3m tra xem c\u00f3 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed n\u00e0o g\u00e2y nhi\u1ec5u hay kh\u00f4ng. C\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn \u0111\u1ec3 gi\u00fap n\u00f3 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 h\u01a1n.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Di chuy\u1ec3n g\u1ea7n h\u01a1n \u0111\u1ebfn b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn \u0111\u1ec3 c\u00f3 t\u00edn hi\u1ec7u t\u1ed1t h\u01a1n. H\u00e3y th\u1eed s\u1eed d\u1ee5ng \u00edt thi\u1ebft b\u1ecb h\u01a1n tr\u00ean m\u1ea1ng. Kh\u1edfi \u0111\u1ed9ng l\u1ea1i b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn \u0111\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1. Ki\u1ec3m tra xem c\u00f3 nhi\u1ec5u t\u1eeb c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed kh\u00e1c hay kh\u00f4ng. C\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m c\u1ee7a b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn \u0111\u1ec3 gi\u00fap n\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n.<\/p>","protected":false},"excerpt":{"rendered":"<p>M\u1ea1ng LAN kh\u00f4ng d\u00e2y (WLAN) k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y t\u00ednh x\u00e1ch tay v\u00e0 \u0111i\u1ec7n tho\u1ea1i b\u1eb1ng s\u00f3ng radio, cho ph\u00e9p m\u1ea1ng linh ho\u1ea1t, kh\u00f4ng c\u1ea7n c\u00e1p trong nh\u00e0, tr\u01b0\u1eddng h\u1ecdc ho\u1eb7c v\u0103n ph\u00f2ng.<\/p>","protected":false},"author":1,"featured_media":3465,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[13,14,15,24,26],"class_list":["post-3466","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-100g-modules","tag-10g-sfp-transceivers","tag-link-pp-1g-sfp-modules","tag-link-pp","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3466","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/comments?post=3466"}],"version-history":[{"count":5,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3466\/revisions"}],"predecessor-version":[{"id":10803,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3466\/revisions\/10803"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/3465"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=3466"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=3466"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=3466"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}