(Open Box) TP-Link WN881ND 300Mbps Wireless N PCI-E AdapterWireless N speed up to 300 Mbps makes it ideal for video streaming, online gaming and Internet calls2T2R MIMOdelivers greater throughput at range versus conventional 1T1RSupports 64/128 WEP, WPA /WPA2/WPA-PSK/WPA2-PSK (TKIP/AES), supports IEEE 802. 1XSupports Windows (7/8/8. 1/10) - Linux Kernal (2. 6. 24-4. 1)Supports ad-hoc and infrastructure modeTechnical DetailsWireless Standard802.11b, 802.11g, 802.11nBrand NameTP-LinkItem model numberTL-WN881NDOperating SystemWindows 7 (32/64-bits), Windows Vista (32/64-bits), Windows XP (32/64-bits)Item Weight200 gItem dimensions L x W x H7.8 x 12 x 2.2 cmColorBlack/Charcoal Grey