What This Product DoesTP-LINK TL-WN751ND is designed to provide a complete end-to-end wireless performance from the server or server backbone to the switch infrastructure and down through to the desktop with the PCI connector. TL-WN751ND Wireless N PCI Adapter provides a wider compatibility, fitting with any standard 32-bit PCI slot. Compared with standard PCI network cards, it offers increased bandwidth, reliability and more functionality, allowing you to enjoy a fast and advanced connection, such as downloading, making internet call and video streaming.Wireless N -Speed & RangeComplying with the IEEE 802.11n standard, TL-WN751ND can easily establish a wireless network and get up to 9X the speed and 4X the range of conventional 11g products. Compared with legacy 54M products, TL-WN751ND delivers performance enhancements, allowing you to have a more joyful surfing experience, including sharing files, watching streaming media.HARDWARE FEATURES:Interface 32-bit PCIDimensions ( W x D x H )5.2 × 4.8 × 0.9 in. (133 × 121 × 22 mm)Antenna Type Detachable Omni Directional AntennaAntenna Gain 2dBiWIRELESS FEATURES:Wireless Standards IEEE 802.11n, IEEE 802.11g, IEEE 802.11b, CSMA/CA with ACKFrequency 2.4-2.4835GHzSignal Rate 11n: Up to 150Mbps / 11g: Up to 54Mbps / 11b: Up to 11MbpsReception Sensitivity 130M: [email protected]% PER/108M: [email protected]% PER/54M: [email protected]% PER / 11M: [email protected]% PER / 6M: [email protected]% PER / 1M: [email protected]% PERTransmit Power 20dBm(MAX)Wireless Modes Ad-Hoc / Infrastructure modeWireless Security 64/128 bits WEP / WPA/WPA2, WPA-PSK/WPA2-PSK (TKIP/AES) Modulation Technology OFDM/CCK/16-QAM/64-QAMOTHERS:Certification CE, FCC, RoHS, Wi-FiSystem Requirements Windows 7(32/64bits), Windows Vista(32/64bits), Windows XP(32/64bits)Environment Operating Temperature: 0°C~40°C (32°F~104°F)/Storage Temperature: -40°C~70°C (-40~158)/Operating Humidity: 10%~90% non-condensing/Storage Humidity: 5%~95% non-condensing