Software Specification Standards IEEE 802.11g, IEEE 802.11b Wireless Signal Rates With Automatic Fallback 11g: Up to 54Mbps (Dynamic) 11b: Up to 11Mbps (Dynamic) Frequency Range 2.4-2.4835GHz Wireless Transmit Power 19dBm(MAX)(EIRP) Modulation Type 1M DBPSK, 2M DQPSK, 5.5M/11M CCK, 6M/9M/12M/18M/24M/36M/48M/54M OFDM Receiver Sensitivity 54M: -68dBm@10% PER 11M: -85dBm@8% PER 6M: -88dBm@10% PER 1M: -90dBm@8% PER 256K: -105dBm@8% PER Work Mode Ad-Hoc Infrastructure Wireless Security 64/128 bit WEP WPA/WPA2, WPA-PSK/WPA2-PSK (TKIP/AES) Support Operating System Windows 98SE/ME/2000/XP/Vista     Hardware Specification Interface USB2.0 Hi-Speed connector Antenna Type Internal Omni-directional Antenna, 0dBi Certifications CE, FCC Operating Temperature 0°C~40°C (32℉~104℉) Storage Temperature -40°C~70°C (-40℉~158℉) Relative Humidity 10% ~ 90%, non condensation Storage Humidity 5%~95% non-condensing Dimensions 3.4 x 0.9 x 0.4 in.(86.5 x 24 x 10 mm)