{"id":18278,"date":"2025-02-21T01:37:20","date_gmt":"2025-02-21T01:37:20","guid":{"rendered":"https:\/\/dekam-fiber.com\/?p=18278"},"modified":"2025-03-08T03:09:56","modified_gmt":"2025-03-08T03:09:56","slug":"coaxial-cable-vs-fiber-optic-cable","status":"publish","type":"post","link":"https:\/\/dekam-fiber.com\/vi\/coaxial-cable-vs-fiber-optic-cable\/","title":{"rendered":"C\u00e1p \u0111\u1ed3ng tr\u1ee5c so v\u1edbi c\u00e1p quang: So s\u00e1nh to\u00e0n di\u1ec7n"},"content":{"rendered":"<p>B\u1ea1n \u0111\u00e3 bao gi\u1edd ngh\u0129 v\u1ec1 l\u00fd do t\u1ea1i sao m\u1ed9t s\u1ed1 k\u1ebft n\u1ed1i internet l\u1ea1i nhanh h\u01a1n nh\u1eefng k\u1ebft n\u1ed1i kh\u00e1c ch\u01b0a? V\u00e2ng! N\u1ebfu v\u1eady th\u00ec h\u00e3y nh\u1edb r\u1eb1ng, \u0111i\u1ec1u \u0111\u00f3 ho\u00e0n to\u00e0n ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i c\u00e1p b\u1ea1n s\u1eed d\u1ee5ng. Tr\u00ean th\u1ef1c t\u1ebf, m\u1ecdi th\u1ee9 t\u1eeb nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 internet (ISP) v\u00e0 h\u1ed9 gia \u0111\u00ecnh c\u1ee7a b\u1ea1n \u0111\u1ec1u ph\u1ee5 thu\u1ed9c m\u1ed9t ph\u1ea7n v\u00e0o c\u00e1p \u0111\u1ed3ng tr\u1ee5c. Tuy nhi\u00ean, s\u1ef1 ra \u0111\u1eddi c\u1ee7a c\u00e1p quang \u0111ang thay \u0111\u1ed5i tr\u00f2 ch\u01a1i v\u1edbi t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 tin c\u1eady v\u00f4 song c\u1ee7a n\u00f3.&nbsp;<\/p>\n\n\n\n<p>\u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao ch\u00fang t\u00f4i s\u1ebd vi\u1ebft blog n\u00e0y \u0111\u1ec3 gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa hai lo\u1ea1i c\u00e1p n\u00e0y. Hy v\u1ecdng r\u1eb1ng sau khi \u0111\u1ecdc blog n\u00e0y, b\u1ea1n s\u1ebd c\u00f3 th\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c lo\u1ea1i c\u00e1p ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u v\u00e0 y\u00eau c\u1ea7u c\u1ee7a m\u00ecnh. V\u00ec v\u1eady, h\u00e3y theo d\u00f5i ch\u00fang t\u00f4i!&nbsp;<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"338\" src=\"https:\/\/dekam-fiber.com\/wp-content\/uploads\/2025\/02\/image-3.jpeg\" alt=\"C\u00e1p \u0111\u1ed3ng tr\u1ee5c so v\u1edbi c\u00e1p quang\" class=\"wp-image-18281\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1) T\u00ecm hi\u1ec3u v\u1ec1 c\u00e1p \u0111\u1ed3ng tr\u1ee5c v\u00e0 c\u00e1p quang&nbsp;<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>T\u00f4i) <\/strong><strong>C\u00e1p \u0111\u1ed3ng tr\u1ee5c l\u00e0 g\u00ec?&nbsp;&nbsp;<\/strong><\/h3>\n\n\n\n<p>&quot;M\u1ed8T <a href=\"https:\/\/en.wikipedia.org\/wiki\/Coaxial_cable\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1p \u0111\u1ed3ng tr\u1ee5c <\/a>v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 m\u1ed9t lo\u1ea1i c\u00e1p \u0111\u1ed3ng s\u1eed d\u1ee5ng xung \u0111i\u1ec7n \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u v\u1edbi m\u1ee9c nhi\u1ec5u t\u1ed1i thi\u1ec3u.\u201d&nbsp;<\/p>\n\n\n\n<p>Ch\u00fang ta h\u00e3y c\u00f9ng xem x\u00e9t c\u1ea5u tr\u00fac c\u00e1p internet \u0111\u1ed3ng tr\u1ee5c cho ph\u00e9p truy\u1ec1n t\u00edn hi\u1ec7u t\u1ea7n s\u1ed1 cao cho m\u1ea1ng truy\u1ec1n h\u00ecnh, internet v\u00e0 truy\u1ec1n th\u00f4ng.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Th\u00e0nh ph\u1ea7n ch\u00ednh:&nbsp;&nbsp;<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>L\u00f5i d\u1eabn \u0111i\u1ec7n:<\/strong> N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng \u0111\u1ed3ng (m\u1ed9t ch\u1ea5t d\u1eabn \u0111i\u1ec7n t\u1ed1t) v\u00e0 do \u0111\u00f3 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t \u0111\u01b0\u1eddng cao t\u1ed1c \u0111\u1ec3 c\u00e1c t\u00edn hi\u1ec7u truy\u1ec1n \u0111i.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e1ch nhi\u1ec7t: <\/strong>Tr\u00ean th\u1ef1c t\u1ebf, n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t l\u1edbp ng\u0103n c\u00e1ch gi\u1eefa l\u00f5i d\u1eabn v\u00e0 l\u1edbp ch\u1eafn l\u00e0m b\u1eb1ng polyethylene. Do \u0111\u00f3, ng\u0103n ng\u1eeba m\u1ea5t t\u00edn hi\u1ec7u.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Che ch\u1eafn: <\/strong>H\u01a1n n\u1eefa, c\u00e1p \u0111\u1ed3ng tr\u1ee5c c\u00f2n c\u00f3 l\u1edbp kim lo\u1ea1i (\u0111\u1ed3ng, l\u00e1 nh\u00f4m) c\u00f3 t\u00e1c d\u1ee5ng ng\u0103n ch\u1eb7n ti\u1ebfng \u1ed3n b\u00ean ngo\u00e0i b\u1eb1ng c\u00e1ch h\u1ea5p th\u1ee5 ho\u1eb7c chuy\u1ec3n h\u01b0\u1edbng nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI).<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u1ecf ngo\u00e0i:<\/strong>&nbsp; C\u00e1p \u0111\u1ed3ng tr\u1ee5c c\u0169ng c\u00f3 l\u1edbp v\u1ecf ngo\u00e0i ch\u1eafc ch\u1eafn l\u00e0m b\u1eb1ng PVC (Polyvinyl Clorua) ho\u1eb7c LSZH (\u00cdt kh\u00f3i, kh\u00f4ng halogen), do \u0111\u00f3 mang l\u1ea1i kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 c\u01a1 h\u1ecdc v\u00e0 t\u00ednh linh ho\u1ea1t.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXctrVvKk_wBi73rfjqI43YCK7_LG2Q4-pJj7bI4YdwFg5qbJWho97CJlxcKQhRrjng6OB9jCgnH74SF_Z1V07DAlZ7rrSpYbWH7AD9udfEOwQcxvfG_duaXLpQ6J07hDxwy1T9YYg?key=AxJSHAcVS78PPsKaNAA1K05R\" alt=\"C\u00e1p \u0111\u1ed3ng tr\u1ee5c v\u00e0 c\u00e1p quang\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>ii) <\/strong><a href=\"https:\/\/dekam-fiber.com\/vi\/what-is-fiber-optic-cable\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>C\u00e1p quang l\u00e0 g\u00ec?<\/strong><\/a><\/h3>\n\n\n\n<p>C\u00e1p quang l\u00e0 m\u1ed9t lo\u1ea1i c\u00e1p kh\u00e1c v\u1edbi c\u00e1p \u0111\u1ed3ng tr\u1ee5c v\u00ec n\u00f3 s\u1eed d\u1ee5ng \u00e1nh s\u00e1ng thay v\u00ec \u0111i\u1ec7n, do \u0111\u00f3 truy\u1ec1n d\u1eef li\u1ec7u v\u1edbi t\u1ed1c \u0111\u1ed9 c\u1ef1c nhanh.&nbsp;<\/p>\n\n\n\n<p>H\u01a1n n\u1eefa, n\u00f3 \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng s\u1ee3i th\u1ee7y tinh ho\u1eb7c nh\u1ef1a si\u00eau m\u1ecfng cho ph\u00e9p \u00e1nh s\u00e1ng \u0111i qua kho\u1ea3ng c\u00e1ch l\u1edbn v\u1edbi t\u1ed1c \u0111\u1ed9 cao. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 l\u00fd t\u01b0\u1edfng cho internet nhanh, cu\u1ed9c g\u1ecdi video v\u00e0 ch\u01a1i game m\u00e0 kh\u00f4ng b\u1ecb tr\u1ec5.&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Th\u00e0nh ph\u1ea7n ch\u00ednh:&nbsp;&nbsp;<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u1ed1t l\u00f5i: <\/strong>\u0110\u00e2y l\u00e0 ph\u1ea7n trong su\u1ed1t \u1edf gi\u1eefa c\u1ee7a c\u00e1p \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng th\u1ee7y tinh ho\u1eb7c nh\u1ef1a, n\u01a1i \u00e1nh s\u00e1ng \u0111\u1ea7u ti\u00ean \u0111i v\u00e0o.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>L\u1edbp ph\u1ee7: <\/strong>\u0110\u00e2y l\u00e0 l\u1edbp b\u1ea3o v\u1ec7 bao quanh l\u00f5i. N\u00f3 gi\u1eef \u00e1nh s\u00e1ng b\u00ean trong gi\u1ed1ng nh\u01b0 th\u00e0nh \u1ed1ng gi\u1eef n\u01b0\u1edbc b\u00ean trong.&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>L\u1edbp ph\u1ee7 \u0111\u1ec7m: <\/strong>L\u1edbp n\u00e0y th\u00f4 r\u00e1p v\u00e0 c\u00f3 t\u00e1c d\u1ee5ng b\u1ea3o v\u1ec7 s\u1ee3i kh\u00f4ng b\u1ecb \u0111\u1ee9t.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2) S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa c\u00e1p \u0111\u1ed3ng tr\u1ee5c v\u00e0 c\u00e1p quang&nbsp;<\/strong><\/h2>\n\n\n\n<p>V\u00e2ng, ch\u00fang ta h\u00e3y c\u00f9ng th\u1ea3o lu\u1eadn t\u1eebng b\u01b0\u1edbc xem c\u00e1ch n\u00e0o s\u1ebd chi\u1ebfn th\u1eafng trong cu\u1ed9c chi\u1ebfn gi\u00e0nh k\u1ebft n\u1ed1i t\u1ed1t h\u01a1n!&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>T\u00f4i) <\/strong>T\u1ed1c \u0111\u1ed9 c\u00e1p \u0111\u1ed3ng tr\u1ee5c so v\u1edbi c\u00e1p quang<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e1p \u0111\u1ed3ng tr\u1ee5c: <\/strong>Gi\u1ed1ng nh\u01b0 m\u1ed9t \u0111\u01b0\u1eddng \u1ed1ng v\u01b0\u1eddn c\u01a1 b\u1ea3n. N\u00f3 c\u00f3 gi\u1edbi h\u1ea1n th\u1ea5p h\u01a1n l\u00e0 1 Gbps, v\u00ec v\u1eady n\u00f3 c\u00f3 th\u1ec3 l\u00ean t\u1edbi 1000 Mbps. Nh\u01b0ng n\u1ebfu c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng k\u1ebft n\u1ed1i, t\u1ed1c \u0111\u1ed9 s\u1ebd gi\u1ea3m do t\u1eafc ngh\u1ebdn m\u1ea1ng.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e1p quang:<\/strong> S\u1ee3i quang c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 tr\u00ean 10 Gbps v\u00e0 th\u1eadm ch\u00ed l\u00e0 10.000 Mbps. V\u00e0 v\u00ec c\u00f3 xung \u00e1nh s\u00e1ng truy\u1ec1n d\u1eef li\u1ec7u n\u00ean b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 c\u1ef1c nhanh l\u00e0 299 792 458 m\/gi\u00e2y.&nbsp;<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXc8oEoMf2YPhX3Y5As11dzeWeMoSFw6Yw33aorUL-NUPbrB0U43LQzqHFEO0Tzo3q4If3WP0oBibIVLqXypXG8Rp37QTjlYztevGzJMv2YzyhDaaeBXXgq5TCajv9Mv9kfqWhov?key=AxJSHAcVS78PPsKaNAA1K05R\" alt=\"c\u00e1p quang\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>K\u1ebft qu\u1ea3<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Do \u0111\u00f3, c\u00e1p quang cung c\u1ea5p m\u1ee9c d\u1ecbch v\u1ee5 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng cao h\u01a1n v\u00ec n\u00f3 nhanh h\u01a1n c\u00e1p \u0111\u1ed3ng tr\u1ee5c t\u1edbi m\u01b0\u1eddi l\u1ea7n. Do \u0111\u00f3, c\u00e1p quang l\u00e0 t\u1ed1t nh\u1ea5t \u0111\u1ec3 t\u1ea3i xu\u1ed1ng, ch\u01a1i tr\u00f2 ch\u01a1i, ph\u00e1t tr\u1ef1c tuy\u1ebfn video, v.v.&nbsp;<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>ii) Truy\u1ec1n t\u00edn hi\u1ec7u v\u00e0 kho\u1ea3ng c\u00e1ch: c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng tr\u1ee5c&nbsp;<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e1p \u0111\u1ed3ng tr\u1ee5c: <\/strong>T\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c g\u1eedi b\u1eb1ng xung \u0111i\u1ec7n nh\u01b0ng v\u00ec kho\u1ea3ng c\u00e1ch n\u00ean n\u00f3 y\u1ebfu \u0111i. N\u1ebfu kh\u00f4ng c\u00f3 b\u1ed9 khu\u1ebfch \u0111\u1ea1i, c\u00e1p \u0111\u1ed3ng tr\u1ee5c ch\u1ec9 c\u00f3 th\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3 trong kho\u1ea3ng m\u1ed9t tr\u0103m m\u00e9t, t\u1ee9c l\u00e0 kho\u1ea3ng 328 feet tr\u01b0\u1edbc khi m\u1ea5t t\u00edn hi\u1ec7u l\u1edbn.&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e1p quang: <\/strong>Tr\u01b0\u1edbc h\u1ebft, h\u00e3y nh\u1edb r\u1eb1ng t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng \u00edt ho\u1eb7c kh\u00f4ng b\u1ecb suy gi\u1ea3m so v\u1edbi t\u00edn hi\u1ec7u \u0111i\u1ec7n. L\u00fd do l\u00e0 v\u00ec \u00e1nh s\u00e1ng kh\u00f4ng b\u1ecb b\u1ea5t k\u1ef3 nhi\u1ec5u \u0111i\u1ec7n t\u1eeb b\u00ean ngo\u00e0i n\u00e0o. Do \u0111\u00f3, c\u00e1p quang c\u00f3 th\u1ec3 truy\u1ec1n t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng m\u1ea1nh m\u00e0 kh\u00f4ng b\u1ecb ch\u1eadm tr\u1ec5 trong kho\u1ea3ng 40 km, t\u1ee9c l\u00e0 kho\u1ea3ng 25 d\u1eb7m.&nbsp;<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXfXUXprMG91pVCoRC_Mp0Rwfzf2rKrhwzmjs33e5zu6WtePUt3HYQz8wf8driM8EwsaJcY_9WYKkOBIvc7lNflEdKb19Gm-LIko7kS7g3mChrJ1A8hJQUw0ZypDgiM3TEd5roNnow?key=AxJSHAcVS78PPsKaNAA1K05R\" alt=\"ch\u1ea5t x\u01a1\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>K\u1ebft qu\u1ea3<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u00f3m l\u1ea1i, s\u1ee3i quang v\u1eabn duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng tr\u00ean kho\u1ea3ng c\u00e1ch xa h\u01a1n nhi\u1ec1u, do \u0111\u00f3 l\u00fd t\u01b0\u1edfng cho c\u00e1c t\u00f2a nh\u00e0 l\u1edbn, k\u1ebft n\u1ed1i t\u1ea7m xa v\u00e0 khu\u00f4n vi\u00ean tr\u01b0\u1eddng h\u1ecdc.&nbsp;<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>iii) Nhi\u1ec5u v\u00e0 B\u1ea3o m\u1eadt: C\u00e1p \u0111\u1ed3ng tr\u1ee5c so v\u1edbi c\u00e1p quang<\/strong><\/h3>\n\n\n\n<p>H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng b\u1ea1n \u0111ang nghe b\u00e0i h\u00e1t y\u00eau th\u00edch c\u1ee7a m\u00ecnh trong khi c\u00f3 ti\u1ebfng \u1ed3n t\u0129nh l\u1edbn ph\u00e1t ra \u1edf ph\u00eda sau. \u0110\u00f3 l\u00e0 nh\u1eefng g\u00ec x\u1ea3y ra khi c\u00f3 nhi\u1ec5u \u0111i\u1ec7n t\u1eeb t\u1eeb c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed xung quanh.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e1p \u0111\u1ed3ng tr\u1ee5c: <\/strong>V\u00ec n\u00f3 d\u1eabn \u0111i\u1ec7n n\u00ean d\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi EMI t\u1eeb \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n, radio v\u00e0 vi s\u00f3ng. H\u01a1n n\u1eefa, c\u00e1p \u0111\u1ed3ng tr\u1ee5c c\u0169ng d\u1ec5 b\u1ecb \u0111\u00e1nh c\u1eafp d\u1eef li\u1ec7u, do \u0111\u00f3 quy\u1ec1n ri\u00eang t\u01b0 c\u1ee7a b\u1ea1n s\u1ebd b\u1ecb x\u00e2m ph\u1ea1m.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e1p quang: <\/strong>N\u00f3 truy\u1ec1n d\u1eef li\u1ec7u b\u1eb1ng \u00e1nh s\u00e1ng thay v\u00ec \u0111i\u1ec7n, cho ph\u00e9p n\u00f3 ho\u00e0n to\u00e0n mi\u1ec5n nhi\u1ec5m v\u1edbi EMI. Vi\u1ec7c truy\u1ec1n \u00e1nh s\u00e1ng c\u1ee7a n\u00f3 khi\u1ebfn vi\u1ec7c khai th\u00e1c n\u00f3 kh\u00f3 kh\u0103n h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1p \u0111\u1ed3ng tr\u1ee5c, mang l\u1ea1i t\u00ednh b\u1ea3o m\u1eadt t\u1ed1t h\u01a1n.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>K\u1ebft qu\u1ea3<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao t\u00f4i ph\u1ea3i n\u00f3i r\u1eb1ng \u0111\u1ed9 tin c\u1eady c\u1ee7a <a href=\"https:\/\/dekam-fiber.com\/vi\/aerial-fiber-optic-cable\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1p quang<\/a> khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t cho vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m v\u00e0 giao d\u1ecbch t\u00e0i ch\u00ednh.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>iv) \u0110\u1ed9 b\u1ec1n v\u00e0 l\u1eafp \u0111\u1eb7t: c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng tr\u1ee5c&nbsp;<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e1p \u0111\u1ed3ng tr\u1ee5c: <\/strong>Nh\u01b0 ch\u00fang ta \u0111\u00e3 th\u1ea3o lu\u1eadn tr\u01b0\u1edbc \u0111\u00f3, c\u00e1p \u0111\u1ed3ng tr\u1ee5c \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng kim lo\u1ea1i \u0111\u1ed3ng. Do \u0111\u00f3, c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i l\u00e0m cho n\u00f3 c\u1ee9ng v\u00e0 d\u00e0y, gi\u00fap n\u00f3 c\u00f3 tu\u1ed5i th\u1ecd t\u1eeb 10-20 n\u0103m. Th\u1eadt kh\u00f4ng may, r\u1ec9 s\u00e9t v\u00e0 hao m\u00f2n c\u00f3 th\u1ec3 x\u1ea3y ra theo th\u1eddi gian do m\u00f4i tr\u01b0\u1eddng xung quanh.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e1p quang: <\/strong>Nh\u1eefng lo\u1ea1i c\u00e1p n\u00e0y \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb v\u1eadt li\u1ec7u nh\u1eb9 nh\u01b0 th\u1ee7y tinh trong su\u1ed1t ho\u1eb7c nh\u1ef1a cho ph\u00e9p ch\u00fang t\u1ed3n t\u1ea1i trong 30-50 n\u0103m. Tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9 c\u0169ng c\u00f3 ngh\u0129a l\u00e0 ch\u00fang linh ho\u1ea1t h\u01a1n, gi\u00fap l\u1eafp \u0111\u1eb7t d\u1ec5 d\u00e0ng h\u01a1n. M\u1eb7c d\u00f9 ch\u00fang c\u00f3 th\u1ec3 b\u1ecb g\u00e3y n\u1ebfu t\u00e1c d\u1ee5ng qu\u00e1 nhi\u1ec1u l\u1ef1c trong qu\u00e1 tr\u00ecnh u\u1ed1n cong khi l\u1eafp \u0111\u1eb7t.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXcewBqpu5s2mIsZ6NdVgOc8Rl_9eAvRBJ8h40uC7UEGoojt9tIUKS8PAwV90KI5pNkcmwSXGqPyzvr1_6lvEJqLHuSOFMR6MbeiJAB3g7bHt8e8cOr2fMkHNwz2DosKauxwzPITaw?key=AxJSHAcVS78PPsKaNAA1K05R\" alt=\"d\u00e2y v\u00e1 s\u1ee3i\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>K\u1ebft qu\u1ea3<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1p \u0111\u1ed3ng tr\u1ee5c d\u1ec5 l\u1eafp \u0111\u1eb7t h\u01a1n v\u00e0 \u00edt \u0111\u00f2i h\u1ecfi k\u1ef9 n\u0103ng l\u1eafp \u0111\u1eb7t h\u01a1n. Nh\u01b0ng c\u00e1p quang c\u00f3 th\u1ec3 b\u1ec1n h\u01a1n c\u00e1p \u0111\u1ed3ng tr\u1ee5c t\u1eeb 2-5 l\u1ea7n.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>v) Chi ph\u00ed v\u00e0 kh\u1ea3 n\u0103ng chi tr\u1ea3: C\u00e1p \u0111\u1ed3ng tr\u1ee5c so v\u1edbi c\u00e1p quang<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e1p \u0111\u1ed3ng tr\u1ee5c:<\/strong> These cables are very cheap with an estimated cost of $0.20 &#8211; $0.50 per foot.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>c\u00e1p quang:<\/strong> Tuy nhi\u00ean, gi\u00e1 dao \u0111\u1ed9ng t\u1eeb $1-$6 \u0111\u00f4 la m\u1ed9t foot. <a href=\"https:\/\/dekam-fiber.com\/vi\/fiber-optic-cable-price\/\" target=\"_blank\" rel=\"noreferrer noopener\">chi ph\u00ed c\u00e1p quang<\/a> cao h\u01a1n do v\u1eadt li\u1ec7u v\u00e0 l\u1eafp \u0111\u1eb7t chuy\u00ean d\u1ee5ng. Nh\u01b0ng v\u1ec1 l\u00e2u d\u00e0i, n\u00f3 ti\u1ebft ki\u1ec7m ti\u1ec1n v\u00ec \u0111\u1ed9 b\u1ec1n, y\u00eau c\u1ea7u b\u1ea3o tr\u00ec th\u1ea5p h\u01a1n v\u00e0 hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n.&nbsp;&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>K\u1ebft qu\u1ea3<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm gi\u1ea3i ph\u00e1p t\u1ea1m th\u1eddi, r\u1ebb h\u01a1n, c\u00e1p \u0111\u1ed3ng tr\u1ee5c s\u1ebd l\u00e0 l\u1ef1a ch\u1ecdn c\u1ee7a b\u1ea1n. Nh\u01b0ng n\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm gi\u1ea3i ph\u00e1p l\u00e2u d\u00e0i, c\u00e1p quang s\u1ebd ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n!<\/li>\n<\/ul>\n\n\n\n<p>H\u01a1n n\u1eefa, m\u1ed9t ng\u01b0\u1eddi d\u00f9ng Quora t\u00ean l\u00e0 Dragan Evgen Grasic \u0111\u00e3 chia s\u1ebb \u0111\u00e1nh gi\u00e1 c\u1ee7a m\u00ecnh v\u1ec1 c\u00e2u h\u1ecfi li\u1ec7u c\u00e1p quang c\u00f3 t\u1ed1t h\u01a1n c\u00e1p \u0111\u1ed3ng tr\u1ee5c kh\u00f4ng. Anh \u1ea5y n\u00f3i r\u1eb1ng anh \u1ea5y \u0111\u00e3 s\u1eed d\u1ee5ng c\u1ea3 hai lo\u1ea1i c\u00e1p \u0111\u1ec3 truy\u1ec1n t\u00edn hi\u1ec7u \u00e2m thanh. Anh \u1ea5y n\u00f3i r\u1eb1ng \u1edf khu v\u1ef1c c\u1ee7a m\u00ecnh, anh \u1ea5y th\u1ea5y c\u00e1p \u0111\u1ed3ng tr\u1ee5c \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nhu c\u1ea7u. Tuy nhi\u00ean, anh \u1ea5y c\u0169ng n\u00f3i r\u1eb1ng \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7n \u0111\u1ea1i v\u00e0 c\u00e1c khu v\u1ef1c y\u00eau c\u1ea7u b\u0103ng th\u00f4ng cao h\u01a1n, c\u00e1p \u0111\u1ed3ng tr\u1ee5c s\u1ebd kh\u00f4ng \u0111\u1ee7. V\u00ec v\u1eady, v\u00e2ng, t\u00f9y thu\u1ed9c v\u00e0o b\u1ea1n nhu c\u1ea7u th\u1ef1c s\u1ef1 c\u1ee7a b\u1ea1n l\u00e0 g\u00ec.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXc97R9-A6XNG_dywz681oTvWiRd0Y0FzgFT0-T9c1ia6YRnjqdjhNUzPQEgnRunNe-SNh-zSvZCEdFWmoN2UNVKgvh80lVVntIr404PdL_9kzr_sAIVeZUePVYrGkQtTrb3JLKt?key=AxJSHAcVS78PPsKaNAA1K05R\" alt=\"quora\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>vi) \u1ee8ng d\u1ee5ng c\u1ee7a c\u00e1p \u0111\u1ed3ng tr\u1ee5c v\u00e0 c\u00e1p quang<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u1eed d\u1ee5ng c\u00e1p \u0111\u1ed3ng tr\u1ee5c<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u1ea1ng \u0111i\u1ec7n tho\u1ea1i&nbsp;<\/li>\n\n\n\n<li>Ph\u00e1t thanh &amp; Ph\u00e1t thanh&nbsp;<\/li>\n\n\n\n<li>H\u1ec7 th\u1ed1ng CCTV &amp; An ninh&nbsp;<\/li>\n\n\n\n<li>Trang ch\u1ee7 Internet &amp; Truy\u1ec1n h\u00ecnh c\u00e1p<\/li>\n\n\n\n<li>Truy\u1ec1n d\u1eef li\u1ec7u kho\u1ea3ng c\u00e1ch ng\u1eafn&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u1eed d\u1ee5ng c\u00e1p quang<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Internet t\u1ed1c \u0111\u1ed9 cao<\/li>\n\n\n\n<li>T\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p<\/li>\n\n\n\n<li>C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng th\u00e0nh ph\u1ed1 th\u00f4ng minh<\/li>\n\n\n\n<li>Ch\u1ee5p \u1ea3nh y khoa (N\u1ed9i soi)<\/li>\n\n\n\n<li>M\u1ea1ng vi\u1ec5n th\u00f4ng<\/li>\n\n\n\n<li>\u1ee8ng d\u1ee5ng qu\u00e2n s\u1ef1 v\u00e0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5<\/li>\n\n\n\n<li>Trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y<\/li>\n\n\n\n<li>C\u00e1p th\u00f4ng tin d\u01b0\u1edbi bi\u1ec3n<\/li>\n\n\n\n<li>Nghi\u00ean c\u1ee9u khoa h\u1ecdc v\u00e0 c\u1ea3m bi\u1ebfn<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><\/td><td><br><strong>C\u00e1p \u0111\u1ed3ng tr\u1ee5c<\/strong><\/td><td><br><strong>C\u00e1p quang<\/strong><\/td><td><br><strong>Ng\u01b0\u1eddi chi\u1ebfn th\u1eafng<\/strong><\/td><\/tr><tr><td><strong><em>T\u1ed1c \u0111\u1ed9 &amp; B\u0103ng th\u00f4ng<\/em><\/strong><\/td><td><em>B\u0103ng th\u00f4ng ch\u1eadm h\u01a1n, h\u1ea1n ch\u1ebf<\/em><\/td><td><em>Si\u00eau nhanh, b\u0103ng th\u00f4ng cao<\/em><\/td><td><em>s\u1ee3i quang<\/em><\/td><\/tr><tr><td><strong><em>Truy\u1ec1n t\u00edn hi\u1ec7u<\/em><\/strong><\/td><td><em>Y\u1ebfu d\u1ea7n theo kho\u1ea3ng c\u00e1ch, c\u1ea7n t\u0103ng c\u01b0\u1eddng<\/em><\/td><td><em>Duy tr\u00ec s\u1ee9c m\u1ea1nh tr\u00ean qu\u00e3ng \u0111\u01b0\u1eddng d\u00e0i<\/em><\/td><td><em>s\u1ee3i quang<\/em><\/td><\/tr><tr><td><strong><em>S\u1ef1 can thi\u1ec7p v\u00e0 an ninh<\/em><\/strong><\/td><td><em>D\u1ec5 b\u1ecb can thi\u1ec7p v\u00e0 r\u1ee7i ro hack<\/em><\/td><td><em>Kh\u00f4ng b\u1ecb nhi\u1ec5u, b\u1ea3o m\u1eadt cao<\/em><\/td><td><em>s\u1ee3i quang<\/em><\/td><\/tr><tr><td><strong><em>\u0110\u1ed9 b\u1ec1n v\u00e0 l\u1eafp \u0111\u1eb7t<\/em><\/strong><\/td><td><em>D\u1ec5 l\u1eafp \u0111\u1eb7t, nh\u01b0ng n\u1eb7ng h\u01a1n v\u00e0 k\u00e9m b\u1ec1n h\u01a1n<\/em><\/td><td><em>Nh\u1eb9, b\u1ec1n, c\u1ea7n thi\u1ebft l\u1eadp \u0111\u1eb7c bi\u1ec7t<\/em><\/td><td><em>C\u00e0 v\u1ea1t (T\u00f9y theo nhu c\u1ea7u)<\/em><\/td><\/tr><tr><td><strong><em>Chi ph\u00ed &amp; Kh\u1ea3 n\u0103ng chi tr\u1ea3<\/em><\/strong><\/td><td><em>R\u1ebb h\u01a1n tr\u01b0\u1edbc, c\u00f3 s\u1eb5n r\u1ed9ng r\u00e3i<\/em><\/td><td><em>Chi ph\u00ed cao h\u01a1n nh\u01b0ng ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c l\u00e2u d\u00e0i<\/em><\/td><td><em>\u0110\u1ed3ng tr\u1ee5c (cho ng\u00e2n s\u00e1ch)<\/em><\/td><\/tr><tr><td><strong><em>L\u00fd t\u01b0\u1edfng cho&nbsp;<\/em><\/strong><\/td><td><em>Internet gia \u0111\u00ecnh, truy\u1ec1n h\u00ecnh c\u00e1p, camera an ninh<\/em><\/td><td><em>Trung t\u00e2m d\u1eef li\u1ec7u, y t\u1ebf, doanh nghi\u1ec7p, c\u00e1p ng\u1ea7m<\/em><\/td><td><em>s\u1ee3i quang<\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3) Ph\u00e1n quy\u1ebft cu\u1ed1i c\u00f9ng<\/strong><\/h2>\n\n\n\n<p>T\u00f3m l\u1ea1i, c\u00e1p quang \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn nhi\u1ec1u nh\u1ea5t v\u00ec t\u1ed1c \u0111\u1ed9, t\u00ednh b\u1ea3o m\u1eadt v\u00e0 hi\u1ec7u su\u1ea5t \u0111\u01b0\u1eddng d\u00e0i v\u00f4 song. Tuy nhi\u00ean, trong tr\u01b0\u1eddng h\u1ee3p c\u00e1p \u0111\u1ed3ng tr\u1ee5c, ch\u00fang c\u00f3 th\u1ec3 d\u1ec5 l\u1eafp \u0111\u1eb7t t\u1ea1i nh\u00e0 h\u01a1n so v\u1edbi c\u00e1p quang v\u00e0 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng kh\u00f3 c\u00f3 th\u1ec3 b\u1ecf qua.&nbsp;<\/p>\n\n\n\n<p>Nh\u01b0ng, v\u1edbi s\u1ef1 ti\u1ebfn b\u1ed9 h\u01a1n n\u1eefa c\u1ee7a c\u00f4ng ngh\u1ec7, c\u00e1p quang s\u1ebd \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng v\u00ec ch\u00fang l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho truy\u1ec1n th\u00f4ng nhanh ch\u00f3ng v\u00e0 \u0111\u00e1ng tin c\u1eady. Cho d\u00f9 l\u00e0 ch\u01a1i game hay ph\u00e1t tr\u1ef1c tuy\u1ebfn, c\u00f4ng ngh\u1ec7 thi\u1ebft b\u1ecb th\u00f4ng minh ch\u1eafc ch\u1eafn s\u1ebd gi\u00fap m\u1ecdi ng\u01b0\u1eddi k\u1ebft n\u1ed1i th\u00f4ng qua c\u00e1p quang.&nbsp;<\/p>\n\n\n\n<p>Tuy nhi\u00ean, h\u00e3y nh\u1edb r\u1eb1ng m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e1ng tin c\u1eady c\u0169ng quan tr\u1ecdng kh\u00f4ng k\u00e9m. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao t\u00f4i khuy\u00ean b\u1ea1n n\u00ean li\u00ean h\u1ec7 <a href=\"https:\/\/dekam-fiber.com\/vi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Dekam <\/a>Fiber, m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t c\u00e1p quang n\u1ed5i ti\u1ebfng c\u1ee7a Trung Qu\u1ed1c. B\u1ea1n bi\u1ebft \u0111\u1ea5y, ch\u00fang t\u00f4i c\u00f3 12 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t v\u00e0 h\u01a1n 52 m\u00e1y s\u1ea3n xu\u1ea5t. H\u01a1n n\u1eefa, ch\u00fang t\u00f4i \u0111ang xu\u1ea5t kh\u1ea9u c\u00e1p quang c\u1ee7a m\u00ecnh \u0111\u1ebfn h\u01a1n 35 qu\u1ed1c gia v\u00e0 \u0111\u1ea1t doanh thu h\u00e0ng n\u0103m kho\u1ea3ng 40 tri\u1ec7u RMB. V\u00ec v\u1eady, h\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i ngay h\u00f4m nay \u0111\u1ec3 nh\u1eadn b\u00e1o gi\u00e1 ngay l\u1eadp t\u1ee9c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3) C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>i) C\u00e1p \u0111\u1ed3ng tr\u1ee5c c\u00f3 t\u1ed1t h\u01a1n c\u00e1p quang kh\u00f4ng?<\/strong><\/h3>\n\n\n\n<p>\u0110\u00e2y l\u00e0 m\u1ed9t c\u00e2u h\u1ecfi kh\u00f4ng c\u00f3 c\u00e2u tr\u1ea3 l\u1eddi ch\u1eafc ch\u1eafn. N\u1ebfu b\u1ea1n mu\u1ed1n c\u00f3 m\u1ed9t l\u1ef1a ch\u1ecdn gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng v\u00e0 \u00edt b\u1ea3o tr\u00ec cho internet v\u00e0 TV t\u1ea1i nh\u00e0, th\u00ec c\u00e1p \u0111\u1ed3ng tr\u1ee5c s\u1ebd ho\u00e0n th\u00e0nh nhi\u1ec7m v\u1ee5 m\u1ed9t c\u00e1ch ho\u00e0n h\u1ea3o. \u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi c\u1ea7n t\u1ed1c \u0111\u1ed9 si\u00eau nhanh, kh\u00f4ng b\u1ecb nhi\u1ec5u v\u00e0 truy\u1ec1n d\u1eef li\u1ec7u t\u1ea7m xa, c\u00e1p quang s\u1ebd l\u00e0 c\u00e2u tr\u1ea3 l\u1eddi hi\u1ec3n nhi\u00ean.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>ii) Kho\u1ea3ng c\u00e1ch c\u1ee7a c\u00e1p \u0111\u1ed3ng tr\u1ee5c l\u00e0 bao nhi\u00eau?<\/strong><\/h3>\n\n\n\n<p>C\u00e1p \u0111\u1ed3ng tr\u1ee5c c\u00f3 th\u1ec3 truy\u1ec1n t\u00edn hi\u1ec7u \u0111\u1ebfn kho\u1ea3ng 500 m\u00e9t ho\u1eb7c 1640 feet tr\u01b0\u1edbc khi m\u1ea5t t\u00edn hi\u1ec7u, c\u00f9ng v\u1edbi th\u1ef1c t\u1ebf l\u00e0 ch\u00fang c\u1ea7n b\u1ed9 t\u0103ng c\u01b0\u1eddng ch\u1eafc ch\u1eafn h\u1ea1n ch\u1ebf t\u00ednh h\u1eefu d\u1ee5ng c\u1ee7a ch\u00fang. V\u1edbi c\u00e1p quang, b\u1ea1n c\u00f3 kh\u1ea3 n\u0103ng truy\u1ec1n d\u1eef li\u1ec7u trong h\u00e0ng tr\u0103m km, t\u1ea5t c\u1ea3 m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m t\u1ed1c \u0111\u1ed9!<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>iii) \u01afu \u0111i\u1ec3m c\u1ee7a c\u00e1p \u0111\u1ed3ng tr\u1ee5c l\u00e0 g\u00ec?<\/strong><\/h3>\n\n\n\n<p>Gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng c\u00f9ng v\u1edbi vi\u1ec7c d\u1ec5 d\u00e0ng l\u1eafp \u0111\u1eb7t khi\u1ebfn c\u00e1p \u0111\u1ed3ng tr\u1ee5c tr\u1edf th\u00e0nh m\u1ed9t s\u1ef1 b\u1ed5 sung tuy\u1ec7t v\u1eddi cho nhi\u1ec1u thi\u1ebft l\u1eadp xung quanh nh\u00e0 b\u1ea1n nh\u01b0 internet, TV v\u00e0 th\u1eadm ch\u00ed l\u00e0 h\u1ec7 th\u1ed1ng an ninh. Ch\u1ec9 c\u1ea7n nh\u1edb r\u1eb1ng, n\u1ebfu b\u1ea1n mu\u1ed1n t\u1ed1c \u0111\u1ed9 nhanh nh\u1ea5t c\u00f3 th\u1ec3, th\u00ec c\u00e1p quang ch\u00ednh l\u00e0 c\u00e2u tr\u1ea3 l\u1eddi!<\/p>","protected":false},"excerpt":{"rendered":"<p>Have you ever thought about why certain internet connections feel faster than others? Well! If so then do remember, it solely relies on the kind of cable you use. Actually, everything from internet service provider (ISP) and your household is partially dependent on coaxial cables. The advent of fiber optics, [&hellip;]<\/p>","protected":false},"author":1,"featured_media":18281,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Coaxial Cable Vs Fiber Optic Cable: Comprehensive Comparison","_seopress_titles_desc":"","_seopress_robots_index":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-18278","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/posts\/18278","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/comments?post=18278"}],"version-history":[{"count":10,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/posts\/18278\/revisions"}],"predecessor-version":[{"id":18663,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/posts\/18278\/revisions\/18663"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/media\/18281"}],"wp:attachment":[{"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/media?parent=18278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/categories?post=18278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/tags?post=18278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}