Wireless N PCI Express 2. 0(x1) Adapter TL-WN881ND allows you to connect a desktop 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. Above all, you could easily pick up the wireless network during long-distance connection where legacy 11g products may not! Wireless N speed up to 300Mbps makes it ideal for video streaming, online gaming and Internet calls 2T2R MIMO(TM) delivers greater throughput at range versus conventional 1T1R Easily setup a highly secured wireless link with QSS software embedded Supports 64/128 WEP, WPA /WPA2/WPA-PSK/WPA2-PSK(TKIP/AES), supports IEEE 802. 1X Supports Windows 7 32/64bit, Windows XP 32/64bit, Vista 32/64bit Supports ad-hoc and infrastructure mode Bundled utility provides quick & hassle free installation Seamlessly compatible with 802. 11n/b/g products