TP-Link TL-WN851ND Wireless PCI Adapter 300Mbps (2.4GHz), 802.11n/g/b, Atheros, 2T/2R, with 2 detachable antennas

HARDWARE FEATURES - Interface: 32-bit PCI - Dimensions (W×D×H): 133×121×22 mm - Antenna Type: Omni Directional, Detachable (RP-SMA) - Antenna Gain: 2×2dBi 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 - Reception 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 Modes: Ad-Hoc / Infrastructure mode - Wireless Security: Support 64/128 bit WEP, WPA/WPA2, WPA-PSK/WPA2-PSK - Modulation Technology: DBPSK, DQPSK, CCK, OFDM, 16-QAM, 64-QAM OTHERS - Certification: CE, FCC, RoHS - Package Contents: * Wireless Adapter * Resource CD * Quick Installation Guide - System Requirements: * Windows 7(32/64-bits), Windows Vista(32/64-bits), Windows XP(32/64-bits), Windows 2000 - Environment: * Operating Temperature: 0C-40C (32F-104F) * Storage Temperature: -40C-70C (-40F-158F) * Operating Humidity: 10% - 90% non-condensing * Storage Humidity: 5% - 90% non-condensing