? Chipset - RTL 8188EUS? Standard - IEEE 802.11g,IEEE 802.11b,CSMA/CA with ACK.used with IEEE 802.11n(draft 2.0) wireless technology? Interface - USB 2.0? Frequency - 2.4~2.4835GHz? Wireless Speed - 11n: the highest data rate can reach to 150Mbps? 11g: 6/9/12/18/24/36/48/54Mbps(Dynamic)? 11b: 1/2/5.5/11Mbps(Dynamic)? Working channel - 1~13? Data Modulation - 11b: CCK,DQPSK,DBPSK? 11g: OFDM? 11n: OFDM with PSK,BPSK,16-QAM,64-QAM? RF power - 20dBm(Maximum)? RF gain - 2dBi internal smart antenna ? Encryption - 64/128/152 digit WEP encryption,WPA/WPA-PSK,WPA2/WPA2-PSK Encryption? LED indicator - Link/Activity? Working environment - Working temperature: 0 to 40 Celsius? Storage temperature: -40 to 70 Celsius? Working Humidity: 10% to 90%RH (non-condensing)? Storage Humidity: 5% to 90%RH (non-condensing)? Operation system - Windows 2000/XP/Vista/WIN 7.? Range - Indoors: 50-100m (Theoretical Value) Outdoors: 100-200m ( Theoretical Value)? Does not support Windows 8 / Linux / Mac OS