Specifications Mfr Part Number: TL-WN951N Features: Provides two methods of operation: Infrastructure and Ad-Hoc Adopts MIMO technology for wireless rates of upto 300Mbps Adopts CCA technology which automatically avoids channel conflicts using its channel selection feature Quick Secure Setup, complies with WPS for worry free wireless security Supports 64/128/152-bit WEP, complies with 128 bit WPA standard(TKIP/AES), supports MIC, IV Expansion, Shared Key Authentication, IEEE 802.1X Simple Configuration and monitoring Supports Roaming technology, guaranteeing efficient wireless connections Supports Windows 2000/XP/Vista/7 Standards: IEEE 802.11n, IEEE 802.11g, IEEE 802.11b, CSMA/CA with ACK Interface: 32-bit PCI Antenna: 3x 2dBi Detachable omni Antenna Wireless Speed: 802.11n: Upto 300Mbps 802.11g: Upto 54Mbps 802.11b: Upto 11Mbps Frequency Range: 2.4~2.4835GHz Wireless Transmit Power: 20dBm(Max EIRP) Modulation Technology: OFDM/CCK/16-QAM/64-QAM Receiver Sensitivity: 270M: -68dBm@10% PER 130M: -68dBm@10% PER 108M: -68dBm@10% PER 54M: -68dBm@10% PER 11M: -85dBm@8% PER 6M: -88dBm@10% PER 1M: -90dBm@8% PER Wireless Security: Support 64/128/152 bit WEP, WPA/WPA2, WPA-PSK/WPA2-PSK (TKIP/AES) Support Operating System: Windows 7(32/64bits), Windows Vista(32/64bits), Windows XP(32/64bits), Windows 2000 Certifications: CE, FCC Dimensions: 5.2 x 4.8 x 0.9 inch / 133.0 x 121.0 x 21.6 mm This Certified Refurbished product is tested & certified by TP-LINK to look and work like-new. The product includes all original accessories, and is backed by a 90-Days warranty Product Type:Wi-Fi Adapter Brand Name:TP-LINK Manufacturer:TP-LINK Technologies Co., Ltd Product Model:TL-WN951N