Main Features: 802.11b: 1, 2, 5.5, 11Mbps; 802.11g: 6, 9, 12, 24, 36, 48, 54Mbps Peak rate 54Mbps, Peak throughput 27Mbps Power management Certification Wi-Fi Certification: 802.11 b/g, WPA, WPA2, WMM, WMM-PS WHQL, Cisco CCX, USB-IF Hardware Chipset :Ralink RT2070 Host interface: USB2.0/1.1 type A (4 pin header) LEDS; link/Acticity RF Antenna: Builted-in PCB On Board Frequency: 2412~2483.5 MHz, ISM band Transmit Power: 802.11b: 17+/-1.5dBm; 802.11g: 14+/-1.5dBm; Receive Sensitivity: 802.11b: -84dBm@11Mbps; 802.11g: -68dBm@54Mbps Software Operation System :Windows CE/2000/XP/Vista; Linux; Mac OS X Security: WEP 64/128, WPA, WPA2, 802.1x, Cisco CCS V1.0, 2.0 and V3.0 Compliant Operation Conditions Voltage Range: DC 5.0V +/- 5% Operating Temperature: 0 C - 50 C Storage Temperature: -20 C - 70 C Operating Humility: RH 95% (Non-Condensing) Storage Humidity: RH 95% (Non-Condensing) NOTE: There also supply other styles or colours outbox products. If want more, Please send me message or connect me. Tks