Specifications:Chipset REALTEK RTL8188CUS/CTV.Complies with IEEE 801.11n, IEEE 802.11g, IEEE 802.11b standards. 1x1/1x2 modes.STBC support for extended range.Legacy and high throughput modes.20MHz/40MHz bandwidth.Reverse direction data flow and frame aggregation.WEP 64/128, WPA, WPA2 support.Multiple BSSID support.Provides USB 2.0 Hi-Speed interface.Cisco CCX V1.0 V2.0 V3.0 compliance.Low power with advanced power management.Works for Windows 7, Windows XP, Windows Vista and Windows 2000. Type: Wifi AdapterMain Color: BlackStandard: IEEE 802.11g, IEEE 802.11b, CSMA/CA with ACKInterface: USB2.0Frequency Range: 2.4GHz-2.4835GHzRadio Data Rate:11N: 150/54/28/14/7/3(Adaptive)11G: 54/28/14/7/3 (Adaptive)11b: 11/5.5/2/1M (Adaptive)Channel: 1~11 (US, Canada), 1~13 (Europe), 1~14 (Japan)Spread Spectrum: DSSSModulation: BPSK, QPSK, CCK and OFDM (BPSK/QPSK/16-QAM/ 64-QAM)Transmission Distance: Indoor up to 100m, outdoor up to 300m (It is limited in an environment.)Transmit Power: 15dBmAntenna plus: 2X2dBiLED Indicator: StatusData Security: WPA, 64/128-bit WEP, TKIP/AESEnvironment: Operating Temperature: 0℃~40℃Size(L x W x D): 19mm x 15mm x 6mm/0.75" x 0.59" x 0.24" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.