{"id":5093,"date":"2016-03-09T04:19:44","date_gmt":"2016-03-09T04:19:44","guid":{"rendered":"http:\/\/tapchicntt.com\/?p=5093"},"modified":"2016-03-08T05:21:13","modified_gmt":"2016-03-08T05:21:13","slug":"nen-dat-router-o-nhung-vi-tri-sau-toc-do-mang-khong-day-nha-ban-se-cai-thien-dang-ke","status":"publish","type":"post","link":"https:\/\/tapchicntt.com\/nen-dat-router-o-nhung-vi-tri-sau-toc-do-mang-khong-day-nha-ban-se-cai-thien-dang-ke\/","title":{"rendered":"N\u00ean \u0111\u1eb7t router \u1edf nh\u1eefng v\u1ecb tr\u00ed sau, t\u1ed1c \u0111\u1ed9 m\u1ea1ng kh\u00f4ng d\u00e2y nh\u00e0 b\u1ea1n s\u1ebd c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3"},"content":{"rendered":"

V\u1edbi s\u1ed1 l\u01b0\u1ee3ng c\u00e1c thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y hi\u1ec7n t\u1ea1i, \u0111\u1eb7t router WiFi \u1edf \u0111\u00e2u \u0111\u1ec3 “ai ai c\u0169ng c\u00f3 ph\u1ea7n” l\u00e0 \u0111i\u1ec1u r\u1ea5t quan tr\u1ecdng.<\/p>\n

M\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u bi\u1ebft c\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u WiFi suy y\u1ebfu d\u1ea7n khi chi\u1ebfc laptop c\u1ee7a b\u1ea1n \u1edf v\u1ecb tr\u00ed ng\u00e0y c\u00e0ng xa so v\u1edbi router. N\u1ebfu router c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf ph\u00f2ng ngo\u00e0i trong khi ph\u00f2ng ng\u1ee7 n\u1eb1m ph\u00eda sau, b\u1ea1n c\u00f3 th\u1ec3 s\u1ebd quen v\u1edbi vi\u1ec7c ph\u1ea3i m\u00f2n m\u1ecfi nh\u00ecn b\u00e1nh xe quay \u0111\u1ec1u trong khi \u0111\u1ee3i ch\u01b0\u01a1ng tr\u00ecnh Netflix c\u1ee7a b\u1ea1n t\u1ea3i v\u1ec1. M\u1ee9c \u0111\u1ed9 t\u1ed3i t\u1ec7 c\u1ee7a vi\u1ec7c n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1 : ki\u1ebfn tr\u00fac ng\u00f4i nh\u00e0 c\u1ee7a b\u1ea1n, router c\u1ee7a b\u1ea1n, nh\u00e0 cung c\u1ea5p… r\u1ea5t nhi\u1ec1u \u0111i\u1ec1u kh\u00e1c n\u1eefa.<\/p>\n

B\u1ea5t ch\u1ea5p nh\u1eefng y\u1ebfu t\u1ed1 kh\u00e1c, v\u1ecb tr\u00ed \u0111\u1eb7t router l\u00e0 \u0111i\u1ec1u m\u00e0 b\u1ea1n c\u1ea7n quan t\u00e2m nh\u1ea5t. M\u1ed9t \u0111i\u1ec1u quan tr\u1ecdng c\u1ea7n nh\u1edb l\u00e0 t\u00edn hi\u1ec7u t\u1eeb router s\u1ebd t\u1ecfa r\u1ed9ng ra m\u1ecdi h\u01b0\u1edbng t\u1eeb \u0103ng ten, v\u00ec v\u1eady khi n\u00f3i \u0111\u1ebfn c\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u WiFi, ng\u01b0\u1eddi ta th\u01b0\u1eddng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn b\u00e1n k\u00ednh c\u1ee7a ph\u00e1t s\u00f3ng router. N\u1ebfu b\u1ea1n \u0111\u1eb7t m\u1ed9t router c\u1ea1nh m\u1ed9t b\u1ee9c t\u01b0\u1eddng li\u1ec1n k\u1ec1 v\u1edbi c\u0103n h\u1ed9 c\u1ee7a nh\u00e0 h\u00e0ng x\u00f3m, h\u1ecd s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c ph\u1ea7n t\u00edn hi\u1ec7u \u0111\u00f3, ch\u1ee9 kh\u00f4ng ph\u1ea3i b\u1ea1n. (m\u1ed9t m\u1eb9o nh\u1ecf cho v\u1ea5n \u0111\u1ec1 n\u00e0y : \u0111\u1eb7t m\u1eadt kh\u1ea9u cho WiFi c\u1ee7a b\u1ea1n ngay t\u1eeb b\u00e2y gi\u1edd).<\/p>\n

Ngo\u00e0i ra c\u00f2n m\u1ed9t s\u1ed1 m\u1eb9o kh\u00e1c \u0111\u1ec3 t\u1ed1i \u01b0u v\u1ecb tr\u00ed cho b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn kh\u00f4ng d\u00e2y (th\u1ef1c ra v\u1eabn l\u00e0 router WiFi c\u1ee7a b\u1ea1n th\u00f4i) c\u00f3 \u0111\u01b0\u1ee3c t\u00edn hi\u1ec7u m\u1ea1nh h\u01a1n.<\/p>\n

\u0110\u1eb7t \u1edf v\u1ecb tr\u00ed trung t\u00e2m ng\u00f4i nh\u00e0<\/strong><\/p>\n

\"<\/p>\n

V\u1ecb tr\u00ed \u0111\u1eb7t router trong nh\u00e0 b\u1ea1n.<\/p>\n

V\u1ecb tr\u00ed l\u00e0 m\u1ea5u ch\u1ed1t c\u1ee7a v\u1ea5n \u0111\u1ec1. H\u00e3y c\u1ed1 g\u1eafng \u0111\u1eb7t router \u1edf v\u1ecb tr\u00ed trung t\u00e2m nh\u1ea5t trong c\u0103n nh\u00e0 v\u00e0 b\u1ea1n s\u1ebd kh\u00f4ng c\u1ea7n quan t\u00e2m \u0111\u1ebfn v\u1ecb tr\u00ed c\u1ee7a m\u00e1y t\u00ednh v\u00e0 modem trong c\u0103n nh\u00e0 n\u1eefa. V\u00ec v\u1eady, s\u1ebd r\u1ea5t \u0111\u00e1ng ti\u1ec1n n\u1ebfu b\u1ea1n mua v\u00e0i s\u1ee3i d\u00e2y c\u00e1p Ethernet Cat 5 v\u00e0 ch\u1ea1y c\u00e1c d\u00e2y \u0111\u00f3 \u0111\u1ebfn v\u1ecb tr\u00ed \u1edf trung t\u00e2m nh\u1ea5t c\u00f3 th\u1ec3.<\/p>\n

Ngo\u00e0i ra, n\u1ebfu nh\u00e0 b\u1ea1n c\u00f3 hai t\u1ea7ng, b\u1ea1n n\u00ean c\u00e2n nh\u1eafc vi\u1ec7c \u0111\u1eb7t router tr\u00ean t\u01b0\u1eddng hay g\u00f3c c\u1ee7a m\u1ed9t tr\u1ea7n nh\u00e0 n\u00e0o \u0111\u00f3. S\u00f3ng radio th\u00f4ng th\u01b0\u1eddng s\u1ebd truy\u1ec1n lan ra v\u00e0 h\u01b0\u1edbng v\u1ec1 ph\u00eda m\u1eb7t \u0111\u1ea5t, thay v\u00ec theo h\u01b0\u1edbng \u0111i l\u00ean. N\u1ebfu \u0111\u01b0\u1ee3c, b\u1ea1n h\u00e3y \u0111\u1eb7t router tr\u00ean s\u00e0n t\u1ea7ng hai n\u1ebfu c\u00f3 th\u1ec3.<\/p>\n

Tr\u00e1nh c\u00e1c ch\u01b0\u1edbng ng\u1ea1i v\u1eadt kh\u00f3 xuy\u00ean qua<\/strong><\/p>\n

\"\"<\/p>\n

S\u00f3ng radio ch\u1eafc ch\u1eafn s\u1ebd xuy\u00ean qua \u0111\u01b0\u1ee3c b\u1ee9c t\u01b0\u1eddng, nh\u01b0ng t\u01b0\u1eddng d\u1ea7y hay m\u1ecfng s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 m\u1ea1nh y\u1ebfu c\u1ee7a t\u00edn hi\u1ec7u WiFi sau khi xuy\u00ean qua. N\u1ebfu t\u01b0\u1eddng nh\u00e0 b\u1ea1n \u0111\u01b0\u1ee3c gia c\u1ed1 b\u1eb1ng g\u1ea1ch v\u00e0 b\u00ea t\u00f4ng, t\u00edn hi\u1ec7u s\u1ebd b\u1ecb h\u1ea5p th\u1ee5 khi \u0111i xuy\u00ean qua c\u00e1c ch\u01b0\u1edbng ng\u1ea1i v\u1eadt n\u00e0y, v\u00e0 m\u1ea5t \u0111i \u0111\u00e1ng k\u1ec3 s\u1ee9c m\u1ea1nh c\u1ee7a m\u00ecnh. \u0110i\u1ec1u t\u01b0\u01a1ng t\u1ef1 c\u0169ng x\u1ea9y ra v\u1edbi n\u01b0\u1edbc, v\u00ed d\u1ee5 m\u1ed9t b\u1ec3 c\u00e1 l\u1edbn trong nh\u00e0 s\u1ebd g\u1ea7n nh\u01b0 ch\u1eb7n ph\u1ea7n l\u1edbn t\u00edn hi\u1ec7u Wifi c\u1ee7a b\u1ea1n.<\/p>\n

Kim lo\u1ea1i v\u00e0 g\u01b0\u01a1ng c\u0169ng nh\u1eefng k\u1ebb th\u00f9 c\u1ee7a t\u00edn hi\u1ec7u WiFi b\u1edfi nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y s\u1ebd ph\u1ea3n x\u1ea1 s\u00f3ng radio, v\u00ec v\u1eady \u0111\u1eb7t router ph\u00eda sau m\u1ed9t chi\u1ebfc Tivi hay trong bu\u1ed3ng t\u1eafm \u0111\u00fang l\u00e0 m\u1ed9t l\u1eddi khuy\u00ean t\u1ed3i.<\/p>\n

Tr\u00e1nh xa khu b\u1ebfp<\/strong><\/p>\n

Trong cu\u1ed9c chi\u1ebfn v\u1edbi nh\u1eefng m\u1ed1i \u0111e d\u1ecda ti\u1ec1m n\u0103ng cho t\u00edn hi\u1ec7u WiFi c\u1ee7a b\u1ea1n, l\u00f2 vi s\u00f3ng ch\u1eafc ch\u1eafn kh\u00f4ng ph\u1ea3i b\u1ea1n c\u1ee7a c\u00e1c router. C\u1ea3 l\u00f2 vi s\u00f3ng v\u00e0 router WiFi \u0111\u1ec1u s\u1eed d\u1ee5ng c\u00e1c s\u00f3ng \u0111i\u1ec7n t\u1eeb v\u1edbi t\u1ea7n s\u1ed1 2,4 gHz. Do v\u1eady, khi b\u1ea1n s\u1eed d\u1ee5ng l\u00f2 vi s\u00f3ng, n\u00f3i theo \u0111\u00fang ngh\u0129a \u0111en, n\u00f3 s\u1ebd can thi\u1ec7p v\u00e0o t\u00edn hi\u1ec7u Wifi c\u1ee7a b\u1ea1n.<\/p>\n

\"<\/p>\n

Nh\u1eefng thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 l\u00e0m gi\u00e1n \u0111o\u1ea1n t\u00edn hi\u1ec7u Wifi c\u1ee7a b\u1ea1n.<\/p>\n

Th\u00eam v\u00e0o \u0111\u00f3, khu b\u1ebfp v\u1edbi \u0111\u1ea7y c\u00e1c \u0111\u1ed3 v\u1eadt b\u1eb1ng kim lo\u1ea1i, s\u1ebd h\u1ea5p th\u1ee5 t\u00edn hi\u1ec7u c\u1ee7a b\u1ea1n. V\u00ed d\u1ee5, nh\u1eefng t\u1ee7 l\u1ea1nh b\u1eb1ng kim lo\u1ea1i, b\u1ebfp l\u00f2 v\u00e0 c\u00e1c \u0111\u1ed3 d\u00f9ng trong b\u1ebfp kh\u00e1c, v\u00ec v\u1eady t\u1ed1t nh\u1ea5t l\u00e0 \u0111\u1ec3 chi\u1ebfc router tr\u00e1nh xa khu b\u1ebfp \u0111\u00f3 ra.<\/p>\n

M\u1ed9t thi\u1ebft b\u1ecb kh\u00e1c c\u00f3 c\u00f9ng t\u1ea7n s\u1ed1 v\u1edbi router WiFi ch\u00ednh l\u00e0 \u0111i\u1ec7n tho\u1ea1i c\u1ed1 \u0111\u1ecbnh kh\u00f4ng d\u00e2y \u2013 v\u00ec v\u1eady, n\u00ean tr\u00e1nh \u0111\u1eb7t m\u00e1y \u0111i\u1ec7n tho\u1ea1i \u0111\u00f3 g\u1ea7n ngu\u1ed3n ph\u00e1t Wifi c\u1ee7a b\u1ea1n.<\/p>\n

Ngh\u1ecbch ng\u1ee3m v\u1edbi \u0103ng ten c\u1ee7a b\u1ea1n<\/strong><\/p>\n

\u1ede tr\u00ean ta \u0111\u00e3 th\u1ea5y c\u00e1c bi\u1ec7n ph\u00e1p tr\u00e1nh l\u00e0m suy gi\u1ea3m ngu\u1ed3n ph\u00e1t WiFi c\u1ee7a b\u1ea1n, nh\u01b0ng ph\u00e9p m\u1ea7u th\u1ef1c s\u1ef1 l\u1ea1i n\u1eb1m \u1edf chi\u1ebfc \u0103ng ten. \u0110\u00f3 l\u00e0 b\u1ed9 ph\u1eadn ph\u00e1t s\u00f3ng v\u00e0 ti\u1ebfp nh\u1eadn k\u1ebft n\u1ed1i wifi tr\u00ean router c\u1ee7a b\u1ea1n. C\u00e1c \u0103ng ten th\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t b\u00ean c\u1ea1nh nhau ho\u1eb7c \u0111\u00f4i khi \u0111\u01b0\u1ee3c \u0111\u1eb7t quay tr\u00f2n quanh ch\u00e2n c\u1eafm.<\/p>\n

\"\"<\n\nN\u1ebfu b\u1ea1n mu\u1ed1n t\u00edn hi\u1ec7u WiFi lan r\u1ed9ng theo chi\u1ec1u ngang, \u0111\u1eb7t \u0103ng ten theo chi\u1ec1u d\u1ecdc s\u1ebd l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t. C\u00f2n n\u1ebfu b\u1ea1n mu\u1ed1n ph\u1ee7 t\u00edn hi\u1ec7u WiFi gi\u1eefa c\u00e1c t\u1ea7ng trong nh\u00e0 hay v\u0103n ph\u00f2ng c\u1ee7a m\u00ecnh, n\u00ean \u0111\u1eb7t nh\u1eefng chi\u1ebfc \u0103ng ten \u0111\u00f3 theo chi\u1ec1u ngang.\n\nC\u0169ng kh\u00f4ng hi\u1ebfm c\u00e1c tr\u01b0\u1eddng h\u1ee3p c\u1ea7n \u0103ng ten c\u00f3 th\u1ec3 th\u00e1o r\u1eddi kh\u1ecfi router WiFi, do v\u1eady b\u1ea1n c\u00f3 th\u1ec3 mang chi\u1ebfc router c\u1ee7a m\u00ecnh \u0111\u1ebfn c\u1eeda h\u00e0ng \u0111i\u1ec7n t\u1eed g\u1ea7n \u0111\u00f3 v\u00e0 t\u00ecm m\u1ed9t chi\u1ebfc \u0103ng ten th\u00edch h\u1ee3p, c\u00f3 t\u1ea7m ph\u1ee7 s\u00f3ng xa h\u01a1n.\n\n\n\n

Tham kh\u1ea3o WIRED<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

V\u1edbi s\u1ed1 l\u01b0\u1ee3ng c\u00e1c thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y hi\u1ec7n t\u1ea1i, \u0111\u1eb7t router WiFi \u1edf \u0111\u00e2u \u0111\u1ec3 “ai ai c\u0169ng c\u00f3 ph\u1ea7n” l\u00e0 \u0111i\u1ec1u r\u1ea5t quan tr\u1ecdng.<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[129],"tags":[154],"class_list":["post-5093","post","type-post","status-publish","format-standard","hentry","category-thu-thuat-mang-web","tag-mang-web"],"views":397,"_links":{"self":[{"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/posts\/5093","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/comments?post=5093"}],"version-history":[{"count":0,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/posts\/5093\/revisions"}],"wp:attachment":[{"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/media?parent=5093"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/categories?post=5093"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/tags?post=5093"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}