{"id":386,"date":"2023-05-29T06:35:14","date_gmt":"2023-05-29T06:35:14","guid":{"rendered":"https:\/\/tplinksg.com\/?post_type=product&#038;p=386"},"modified":"2025-09-05T09:05:23","modified_gmt":"2025-09-05T01:05:23","slug":"tp-link-300mbps-usb2-0-adapter-tl-wn821n","status":"publish","type":"product","link":"https:\/\/tplinksg.com\/index.php\/product\/tp-link-300mbps-usb2-0-adapter-tl-wn821n\/","title":{"rendered":"TP-Link 300MBPS USB2.0 ADAPTER TL WN821N"},"content":{"rendered":"<h3 class=\"\">Wireless N &#8211; Speed &amp; Range<\/h3>\n<p>With MIMO (multiple input, multiple output antennas) technology, it shows more excellent abilities of mitigating data loss over long distances and through obstacles in a small office or a large apartment, even in a steel-and-concrete building. Above all, you could easily pick up the wireless network during long-distance connection where legacy 11g products may not!<\/p>\n<p>&nbsp;<\/p>\n<ul class=\"row\">\n<li class=\"col col-span-4 text-align-center\">\n<div class=\"padding-default\">\n<p class=\"\">A friendly user interface utility on a CD for simple installation<\/p>\n<\/div>\n<\/li>\n<li class=\"col col-span-4 text-align-center\">\n<div class=\"padding-default\">\n<h3>Soft AP<\/h3>\n<p>Easily establish a high speeds Wi-Fi hotspot with just a few clicks<\/p>\n<\/div>\n<\/li>\n<li class=\"col col-span-4 text-align-center\">\n<div class=\"padding-default\">\n<h3>WPS<\/h3>\n<p>Easy wireless security encryption at a push of the WPS button<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<p class=\"font-size-small line-height-1-2 margin-top-1em\">*All above information apply to TL-WN821N version 4.0 ONLY.<\/p>\n<p>&nbsp;<\/p>\n<table>\n<thead class=\"\">\n<tr id=\"tr_603\" class=\"\">\n<th class=\"\" colspan=\"2\"><a aria-label=\"HARDWARE FEATURES\">HARDWARE FEATURES<\/a><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr id=\"tr_694\">\n<th width=\"35%\">Interface<\/th>\n<td width=\"65%\">USB 2.0<\/td>\n<\/tr>\n<tr id=\"tr_695\">\n<th width=\"35%\">Button<\/th>\n<td width=\"65%\">WPS Push Button<\/td>\n<\/tr>\n<tr id=\"tr_697\">\n<th width=\"35%\">Dimensions ( W x D x H )<\/th>\n<td width=\"65%\">2.7x 0.8 x 0.4 in. (69 x 21 x 9.5mm)<\/td>\n<\/tr>\n<tr id=\"tr_1056\">\n<th width=\"35%\">Antenna Type<\/th>\n<td width=\"65%\">On-Board<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table>\n<thead>\n<tr id=\"tr_604\">\n<th colspan=\"2\"><a aria-label=\"WIRELESS FEATURES\">WIRELESS FEATURES<\/a><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr id=\"tr_1058\">\n<th width=\"35%\">Wireless Standards<\/th>\n<td width=\"65%\">IEEE 802.11n, IEEE 802.11g, IEEE 802.11b<\/td>\n<\/tr>\n<tr id=\"tr_698\">\n<th width=\"35%\">Frequency<\/th>\n<td width=\"65%\">2.400-2.4835GHz<\/td>\n<\/tr>\n<tr id=\"tr_699\">\n<th width=\"35%\">Signal Rate<\/th>\n<td width=\"65%\">11n: Up to 300Mbps(dynamic)<br \/>\n11g: Up to 54Mbps(dynamic)<br \/>\n11b: Up to 11Mbps(dynamic)<\/td>\n<\/tr>\n<tr id=\"tr_701\">\n<th width=\"35%\">Reception Sensitivity<\/th>\n<td width=\"65%\">270M: -62dBm@10% PER<br \/>\n130M: -65dBm@10% PER<br \/>\n108M: -68dBm@10% PER<br \/>\n54M: -68dBm@10% PER<br \/>\n11M: -85dBm@8% PER<br \/>\n6M: -88dBm@10% PER<br \/>\n1M: -90dBm@8% PER<\/td>\n<\/tr>\n<tr id=\"tr_700\">\n<th width=\"35%\">Transmit Power<\/th>\n<td width=\"65%\">&lt;20dBm(EIRP)<\/td>\n<\/tr>\n<tr id=\"tr_702\">\n<th width=\"35%\">Wireless Modes<\/th>\n<td width=\"65%\">Ad-Hoc \/ Infrastructure mode<\/td>\n<\/tr>\n<tr id=\"tr_704\">\n<th width=\"35%\">Wireless Security<\/th>\n<td width=\"65%\">Support 64\/128 bit WEP, WPA-PSK\/WPA2-PSK<\/td>\n<\/tr>\n<tr id=\"tr_1059\">\n<th width=\"35%\">Modulation Technology<\/th>\n<td width=\"65%\">DBPSK, DQPSK, CCK, OFDM, 16-QAM, 64-QAM<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table>\n<thead>\n<tr id=\"tr_606\">\n<th colspan=\"2\"><a aria-label=\"OTHERS\">OTHERS<\/a><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr id=\"tr_714\">\n<th width=\"35%\">Certification<\/th>\n<td width=\"65%\">FCC, RoHS<\/td>\n<\/tr>\n<tr id=\"tr_715\">\n<th width=\"35%\">Package Contents<\/th>\n<td width=\"65%\">Wireless Adapter<br \/>\nOne USB extension cable<br \/>\nResource CD<br \/>\nQuick Installation Guide<\/td>\n<\/tr>\n<tr id=\"tr_716\">\n<th width=\"35%\">System Requirements<\/th>\n<td width=\"65%\">Windows 11\/10\/8.1\/8\/7<br \/>\nmacOS<br \/>\nLinux<\/td>\n<\/tr>\n<tr id=\"tr_717\">\n<th width=\"35%\">Environment<\/th>\n<td width=\"65%\">Operating Temperature: 0?~40? (32?~104?)<br \/>\nStorage Temperature: -40?~70? (-40?~158?)<br \/>\nOperating Humidity: 10%~90% non-condensing<br \/>\nStorage Humidity: 5%~90% non-condensing<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<div class=\"box title\">\n<h1>300Mbps Wireless N USB Adapter<\/h1>\n<\/div>\n<div class=\"box highlights\">\n<ul>\n<li>Excellent N speed brings best experience for HD video streaming or Internet calls*<\/li>\n<li>MIMO technology with stronger signal penetration strength, wider wireless coverage, providing better performance and stability<\/li>\n<li>Easy wireless security encryption at a push of the WPS button<\/li>\n<li>Supports Windows XP \/ Vista \/ 7?\/?8?\/ 8.1\/ 11, Mac OS X 10.7~10.10,?Linux<\/li>\n<\/ul>\n<\/div>\n","protected":false},"featured_media":716,"template":"","meta":[],"product_brand":[],"product_cat":[33],"product_tag":[],"class_list":{"0":"post-386","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-network-adapter","7":"thunk-woo-product-list","8":"opn-qv-enable","9":"top-store-woo-hover-none","10":"top-store-single-product-tab-horizontal","11":"top-store-shadow-","12":"top-store-shadow-hover-","14":"first","15":"instock","16":"taxable","17":"shipping-taxable","18":"purchasable","19":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/tplinksg.com\/index.php\/wp-json\/wp\/v2\/product\/386","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tplinksg.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/tplinksg.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tplinksg.com\/index.php\/wp-json\/wp\/v2\/media\/716"}],"wp:attachment":[{"href":"https:\/\/tplinksg.com\/index.php\/wp-json\/wp\/v2\/media?parent=386"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/tplinksg.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=386"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/tplinksg.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=386"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/tplinksg.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=386"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}