Features:Protocol IEEE 802.11n Improvements:; Significant increases in connection speed; Backward compatible to IEEE 802.11b & IEEE 802.11g; Download speed upto 300 Mbps; Petite Physical Dimension with USB Connector:; Light in weight, small in size, and easy to carry around; Offer high compatibility & speed up to 480 Mbps; Backward compatible with USB 1.1 x standard; Efficient Design of Built-In Antenna & Construction:; Long transmittance distance for continuous, stable connection; Connection Protocol:; IEEE 802.11n Draft 2.0 Compliance; Backward Compatible with 802.11b/g; Maximum Connection Speed: 1T x 2R; 802.11n: upto 150/300 Mbps; 802.11g: upto 54 Mbps; 802.11b: upto 11 Mbps; Operation Frequency / Channel:; USA (FCC) 11 Channels: 2.412 GHz ~ 2.462 GHz; Europe (ETSI) 13 Channels: 2.412 GHz ~ 2.472 GHz; Japan 14 Channels: 2.412 GHz ~ 2.484 GHz; RF Output Power:; 17 dBm +/- 1dBi for 802.11b; 15 dBm +/- 1dBi for 802.11g; 14 dBm +/- 1dBi for 802.11n; Maximum Transmission Distance:; Indoor: up to 328 ft; Outdoor: up to 984 ft; Security Protocol:; 64/128-bit WEP Encryption; WPA & WPA2; WPS; Connection Interface: USB 2.0 compatible; Power Consumption:; TX mode: < 300 mA @ 5 V; RX mode: < 250 mA @ 5 V; Dimensions(WxDxH): 1.95 x 1.04 x 0.39 inch; Certification: CE, FCC P15, C-Tick