Features: 1.The wireless network card complies with IEEE 802.11b, IEEE 802.11g, and IEEE 802.11n standards up to 300Mbps, 2T2R PCI bus interface. 2.Suitable for new and old desktop computers with dual?separated antenna design. The signal is powerful, more stable and compatible with 11b, 11g and 11n products. QSS quick and safe setting, wireless network safer and faster setting. 3.Meets the IEEE 802.11n (Draft 2.0), IEEE 802.11g, IEEE 802.11b standards, and provide 32/64?bit PCIE interface. This wireless network card provides 2 working modes: Infrastructure and Ad?Hoc; using MIMO technology. 4.Adopt CCA technology, automatically avoid channel interference and make full use of channel bundling advantages, support 64/128/152 bit WEP encryption, support WPA/WPA2, WPA?PSK/WPA2?PSK and other advanced encryption and security mechanisms. 5.This PCI?E to WIFI card provides simple configuration and monitoring procedures, supports Roaming technology, and ensures efficient wireless connection. specification:Item Type: Dual?Band Network Card Interface: PCI-E to WIFI Antenna: 2 x 6DB high gain antenna (new) Transmission Speed: 300M 2.4G Applicable System: For WIN 98/WIN XP/ WIN 7/WIN 7-64/ WIN8/WIN8 64 Supported Standards and Protocols: IEEE 802.11n, IEEE 802.11g, IEEE 802.11b, CSMA/CA with ACK Bus Type: PCI-E Frequency Range: 2.42.4835GHz Wireless Transmission Rate: 11n: 270/243/216/162/108/81/54/27Mbps 135/121.5/108/81/54/40.5/27/13.5Mbps 130/117/104/78/52/39/26/13Mbps 65/58.5/52/39/26/19.5/13/6.5Mbps 11g: 54/48/36/24/18/12/9/6M (adaptive) 11b: 11/5.5/2/1M (adaptive) Number of Working Channels: 13 Transmitting and Receiving Type: 2T2R Spread Spectrum Technology: DSSS PackageList:2 xAntenna 1 xBracket 1 xDriver CD 1 xNetwork Card