300Mbps Wireless N PCI Express Adapter TL-WN881ND . Wireless N speed up to 300Mbps makes it ideal for video streaming online gaming and Internet calls . MIMO technology with stronger signal penetration strength wider wireless coverage providing better performance and stability . Easily setup a highly secured wireless link with WPS™ (Wi-Fi Protected Setup) . TL-WN881ND 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.   . Wireless N - Speed and; Range 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!   . CCA Technology - Stable Wireless Signals Clear Channel Assessment (CCA) automatically avoids channel conflicts using its clear channel selection feature and fully realizes the advantages of channel binding greatly enhanced the wireless performance.   . HARDWARE FEATURES Interface. PCI Express (x1) Dimensions. 4.8 x 3.1 x 0.8 in. (120.8 x 78.5 x 21.5mm) Antenna Type.  Detachable Omni Directional (RP-SMA) Antenna Gain. 2dBi . WIRELESS FEATURES Wireless Standards. IEEE 802.11n IEEE 802.11g IEEE 802.11b Frequency. 2.400-2.4835GHz Signal Rate. . 11n Up to 300Mbps(dynamic) . 11g Up to 54Mbps(dynamic) . 11b Up to 11Mbps(dynamic) EIRP. (;20dBm(EIRP) Reception Sensitivity. . 270M -68dBm@10% PER . 130M -68dBm@10% PER . 108M -73dBm@10% PER . 54M -73dBm@10% PER . 11M -89dBm@8% PER . 6M -87dBm@10% PER . 1M -90dBm@8% PER Wireless Modes. Ad-Hoc / Infrastructure mode Wireless Security. Support 64/128 bit WEP WPA-PSK/WPA2-PSK Modulation Technology. DBPSK DQPSK CCK OFDM 16-QAM 64-QAM . OTHER SPECIFICATIONS Certification. CE FCC RoHS Package Contents. . Wireless Adapter. x2 Detachable Omni directional antenna. Resource CD . Quick Installation Guide System Requirements. Windows 7(32/64bits) Windows Vista(32/64bits) Windows XP(32/64bits) Environment. . Operating Temperature 0ºC~40ºC (32ºF~104ºF) . Storage Temperature -40ºC~70ºC (-40ºF~158ºF). Operating Humidity 10%~90% non-condensing . Storage Humidity 5%~90% non-condensing. .