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 Adapter Main Color: Black Standard: IEEE 802.11g, IEEE 802.11b, CSMA/CA with ACK Interface: USB2.0 Frequency Range: 2.4GHz-2.4835GHz Radio 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: DSSS Modulation: 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: 15dBm Antenna plus: 2X2dBi LED Indicator: Status Data Security: WPA, 64/128-bit WEP, TKIP/AES Environment: 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. Package Includes: ; ; 1 x Wifi Adapter (with CD-ROM)