{"id":2604,"date":"2020-01-08T12:02:00","date_gmt":"2020-01-08T04:02:00","guid":{"rendered":"http:\/\/www.51cos.com\/?p=2604"},"modified":"2020-01-08T12:02:03","modified_gmt":"2020-01-08T04:02:03","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88wifi-2-4g%e5%92%8cusb3-0%e4%bc%9a%e4%ba%92%e7%9b%b8%e5%b9%b2%e6%89%b0%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/www.51cos.com\/?p=2604","title":{"rendered":"\u4e3a\u4ec0\u4e48WiFi 2.4G\u548cUSB3.0\u4f1a\u4e92\u76f8\u5e72\u6270\uff1f"},"content":{"rendered":"<p>USB3.0\u5728\u4f7f\u7528\u65f6\uff0c\u4f1a\u57282.4G\u9891\u6bb5\u4ea7\u751f\u7ea620dB\u7684\u566a\u58f0\uff0c\u800c\u6211\u4eec\u5e38\u7528\u7684WIFI\u3001\u84dd\u7259\u3001\u65e0\u7ebf\u9f20\u6807\u7b49\uff0c\u5747\u5de5\u4f5c\u5728\u8be5\u9891\u6bb5\uff01<br \/>\n\u6839\u636e\u5b98\u65b9\u4ecb\u7ecd\uff0cUSB3.0\u7684\u6269\u9891\u5904\u7406\u5bfc\u81f4\u5176\u9891\u8c31\u4ece0Hz\u4e00\u76f4\u76d6\u52305GHz\uff0c\u5bf9\u8be5\u9891\u7387\u8303\u56f4\u5185\u7684\u65e0\u7ebf\u8bbe\u5907\u5747\u6709\u5e72\u6270\u3002<br \/>\n\u7ecfIntel\u6d4b\u91cf\uff0c\u5e72\u6270\u529f\u7387\u968f\u9891\u7387\u4e0b\u964d\uff0c\u57282.4G\u9891\u6bb5\u7ea6\u6709-60dBm\uff0c\u52305G\u9891\u6bb5\u53ea\u6709-90dBm\u3002<\/p>\n<p>\u73b0\u5728USB3.0\u5df2\u6210\u6807\u51c6\uff0c\u800c2.4G\u7684\u65e0\u7ebf\u8bbe\u5907\u7528\u5f97\u4e5f\u66f4\u666e\u904d\uff0c\u60f3\u89e3\u51b3\u5e72\u6270\u53ea\u6709\u8fd9\u51e0\u4e2a\u529e\u6cd5\u4e86\uff1a<br \/>\n1\u3001\u5728USB3.0\u8bbe\u5907\u548c\u63a5\u53e3\u5904\u52a0\u5c4f\u853d\u7f69\uff08\u91d1\u5c5e\u7b94\u5373\u53ef\uff09\uff0c\u53ef\u964d\u4f4e\u5e72\u6270\u7ea614dB\uff1b<br \/>\n2\u3001\u5728\u4e3b\u677f\u7684USB3.0\u63d2\u5ea7\u4e0a\u52a0\u5c4f\u853d\u5e76\u63a5\u5730\uff0c\u5e76\u4f7f\u7528\u5e26\u5c4f\u853d\u5c42\u7684\u4f20\u8f93\u7ebf\uff1b<br \/>\n3\u3001\u4f7f\u7528\u5ef6\u957f\u7ebf\uff0c\u8ba92.4G\u63a5\u6536\u5668\u79bbUSB3.0\u63a5\u5934\u8d8a\u8fdc\u8d8a\u597d\uff0c\u4e0d\u52a0\u5c4f\u853d\u7684\u8bdd1\u7c73\u5c31\u5dee\u4e0d\u591a\u4e86\u3002<\/p>\n<p>USB 3.0 \u96b1\u85cf\u7f3a\u9677 2.4GHz \u5c04\u983b\u5e72\u64fe \uff1a\u539f\u7406\u3001\u5f71\u97ff\u3001\u89e3\u6c7a\u4e00\u6b21\u770b\u61c2\uff1a<br \/>\nhttp:\/\/www.techbang.com\/posts\/15620-usb-24ghz-rf-interference-3-hidden-defects-principles-effects-solving-a-read<\/p>\n<p><a href=\"http:\/\/www.51cos.com\/wp-content\/uploads\/2020\/01\/USB-3.0-Radio-Frequency-Interference-Impact-on-2.4-GHz-Wireless-Devices.pdf\">USB 3.0 Radio Frequency Interference Impact on 2.4 GHz Wireless Devices<\/a><\/p>\n<p>\u90a3\u4e48\u4e3a\u4ec0\u4e48WiFi\u548cUSB3.0\u4f1a\u4e92\u76f8\u5e72\u6270<br \/>\nUSB3.0\u867d\u7136\u662f\u6709\u7ebf\u8fde\u63a5\uff0c\u4f46\u662f\u7535\u5e73\u6ce2\u52a8\u5c31\u4f1a\u4ea7\u751f\u65e0\u7ebf\u8f90\u5c04\uff1b\u4e00\u822cUSB3.0\u7684\u63a5\u53e3\uff0c\u7ebf\u6750\u548c\u8bbe\u5907\u90fd\u6ca1\u6709\u505a\u65e0\u7ebf\u5c4f\u853d\uff0c\u56e0\u6b64\u4e00\u65e6\u4ea7\u751f\u65e0\u7ebf\u8f90\u5c04\uff0c\u4f1a\u611f\u67d3\u9891\u7387\u76f8\u8fd1\u7684\u65e0\u7ebf\u8bbe\u5907\u3002USB3.0\u7684\u4f20\u8f93\u901f\u7387\u662f500MBps\uff0cUSB3.0\u6709\u4e24\u4e2a\u9ad8\u901f\u7ebf\u5bf9\u3002\u4e24\u4e2a\u7ebf\u5bf9\u5206\u522b\u8fdb\u884cTX\u548cRX\u4f20\u8f93\uff0c\u56e0\u6b64USB3.0\u662f\u5168\u53cc\u5de5500MBps\u3002<\/p>\n<p>\u6bcf\u4e2a\u7ebf\u5bf9\u4e0a\u7684\u4f20\u8f93\u901f\u7387\u662f500MBps*8\uff08Byte\u2192bit\uff09\/\uff088\/10\uff09\uff08USB3.0\u662f8B\/10B\u7f16\u7801\uff0c\u4e5f\u5c31\u662f\u5b9e\u9645\u4f20\u8f9310\u4e2a\u6570\u636e\u4e2d\uff0c\u67098\u4e2a\u662f\u6709\u6548\u7684\uff09=5Gbps\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u91cc\u7684\u5355\u4f4d\u662f5Gbps\uff0c\u4e5f\u5c31\u662f\u4ecd\u7136\u662f\u4ee5bit\u4e3a\u5355\u4f4d\u7684\uff0c\u800c\u4e0d\u662f\u6570\u5b57\u4fe1\u53f7\u7684\u65b9\u6ce2\u9891\u7387\u3002<\/p>\n<p>\u4e00\u4e2a\u65f6\u949f\u5468\u671f\uff08\u4e00\u6b21\u9ad8\u4f4e\u6cbf\u8df3\u53d8\uff09\u662f\u4f20\u8f93\u4e24\u4e2abit\u7684\u6570\u636e\u7684\uff0c\u8fd9\u6837\u5c31\u660e\u4e86\u4e86\uff0c\u4f20\u8f93\u901f\u7387\u662f5Gbps\uff0c\u4f46\u5b9e\u9645\u4e0a\u6570\u5b57\u4fe1\u53f7\u7684\u65b9\u6ce2\u9891\u7387\u662f2.5GHz\uff0cOK\uff0c\u8fd9\u5c31\u5f71\u54cd2.4G\u6ca1\u8dd1\u4e86\u3002\u7531\u6b64\u53ef\u77e5\uff0cUSB3.0\u4e0d\u4ec5\u4f1a\u5f71\u54cdWIFI\uff0c\u540c\u6837\u5bf92.4G\u5176\u4ed6\u8bbe\u5907\u4e5f\u4f1a\u4ea7\u751f\u5e72\u6270\uff0c\u4f8b\u59822.4G\u7684\u65e0\u7ebf\u9f20\u6807\u3002<\/p>\n<p>\u90a3\u4e48\u6709\u4eba\u4f1a\u95ee\u4e86\uff0cUSB3.0\u4e0d\u662f5GHz\u5417\uff1fWifi\u662f2.4GHz\u600e\u4e48\u4f1a\u6709\u5e72\u6270\u5462\uff1f\u95ee\u9898\u51fa\u5728USB\u4f20\u8f93\u7ebf\u4e0a\u3002<\/p>\n<p>USB3.0\u7684\u4f20\u8f93\u9891\u7387\u786e\u5b9e\u662f5GHz\u4e32\u884c\uff0c\u4f46USB3.0\u4f7f\u75284\u6761\u6570\u636e\u7ebf\u7ec4\u62102\u7ec4\uff0c\u6bcf\u7ec4\u8d1f\u8d23\u4e00\u4e2a\u4f20\u8f93\u65b9\u5411\uff0c\u5b9e\u73b0\u5168\u53cc\u5de5\u53cc\u54115GHz\uff0c\u800c\u6bcf\u6761\u6570\u636e\u7ebf\u7684\u57fa\u51c6\u9891\u7387\u662f2.5GHz\u3002<\/p>\n<p>USB3.0\u63a5\u53e3\uff0c\u5916\u9762\u505a\u4e86\u91d1\u5c5e\u5c4f\u853d\u5904\u7406\uff0c\u51cf\u5c11\u4e0e2.4G\u7684\u5e72\u6270\uff0c\u6bd4\u8d77\u4e00\u4e9b\u673a\u578b\u53ea\u7528\u80f6\u5e03\u6765\u8981\u505a\u5f97\u597d\u3002<\/p>\n<p><a href=\"https:\/\/www.acwifi.net\/wp-content\/uploads\/2019\/09\/SAM_4466.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-8035\" src=\"http:\/\/www.51cos.com\/wp-content\/uploads\/2020\/01\/9045845b28e31739ef3bac6d07e28e8b.jpg\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" srcset=\"http:\/\/www.51cos.com\/wp-content\/uploads\/2020\/01\/9045845b28e31739ef3bac6d07e28e8b.jpg 800w, https:\/\/www.acwifi.net\/wp-content\/uploads\/2019\/09\/SAM_4466-650x433.jpg 650w, https:\/\/www.acwifi.net\/wp-content\/uploads\/2019\/09\/SAM_4466-768x512.jpg 768w, https:\/\/www.acwifi.net\/wp-content\/uploads\/2019\/09\/SAM_4466-1080x720.jpg 1080w, https:\/\/www.acwifi.net\/wp-content\/uploads\/2019\/09\/SAM_4466.jpg 1200w\" alt=\"covr-3902\u62c6\u673a\" width=\"800\" height=\"533\" data-tag=\"bdshare\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>USB3.0\u5728\u4f7f\u7528\u65f6\uff0c\u4f1a\u57282.4G\u9891\u6bb5\u4ea7\u751f\u7ea620dB\u7684\u566a\u58f0\uff0c\u800c\u6211\u4eec\u5e38\u7528\u7684WIFI\u3001\u84dd\u7259\u3001\u65e0\u7ebf\u9f20\u6807\u7b49\uff0c\u5747\u5de5\u4f5c\u5728\u8be5 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-2604","post","type-post","status-publish","format-standard","hentry","category-embedded"],"_links":{"self":[{"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/posts\/2604","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.51cos.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2604"}],"version-history":[{"count":1,"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/posts\/2604\/revisions"}],"predecessor-version":[{"id":2607,"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/posts\/2604\/revisions\/2607"}],"wp:attachment":[{"href":"http:\/\/www.51cos.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.51cos.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2604"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.51cos.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}