Edimax 300 Mbps Wireless 802.11b/g/n PCI Express Adapter with Two 3 dBi External Antennas, Green Energy Savings (EW-7612PIn) Supports up to 300 Mbps 802.11n Wireless data rate - the latest wireless standard. Permitting users to have the farthest range with the widest coverage. (Up to 12 times the speed and 5 times the coverage of 802.11b.) Supports WMM (Wi-Fi Multimedia) Standard so that you can let different types of data to have higher priority. It allows better streaming of real-time data such as Video, Music, Skypeetc The included 16-language EZmax setup wizard and friendly UI will walk you through configuring EW-7612PIn to your wireless network. Provides Green functions to reduce electrical power wasted during idle time. Wireless Standards: IEEE 802.11n; backward compatible with 802.11b/g. Security Supported: 64/128 bit WEP Encryption and WPA-PSK, WPA2-PSK and WPS security. Wireless Data Rates: Up to 300 Mbps. Modulation: OFDM: BPSK, QPSK, 16-QAM, 64-QAM, DSSS. Frequency Band: 2.412 ~2.462GHz. Antenna: Two external 3 dBi antennas. Channels (FCC): 2.4GHz : 1~11 Power Input: PCIe Bus power. Dimensions: 2.6" x 1.7" (excluding antenna). Temperature: 0-40C (32-104F). Humidity: 10~90% Non-Condensing. System Supported: WinXP/Vista/Win7, Linux