Wireless N USB Adapter TL-WN821N allows you to connect a desktop or notebook computer to a wireless network and access high-speed Internet connection. Comply with IEEE 802.11n, they provide wireless speed up to 300Mbps, which is beneficial for the online gaming or even HD video streaming. 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. This USB Wireless Adapter lets you easily pick up the wireless networks from further away because of its enhanced range - where legacy 802.11g products may not! Wireless 300N USB Adapter. 300Mbps 2.4Ghz, 802.11n/g/b, MIMO technology provides stronger signal penetration strength and wider wireless coverage. CCA avoids channel conflicts, WPA / WPA2 Encryptions, Bundled CD for easy operation, One Button Security Setup.