... *6.3cmWeight :38.5g Wifi Standards :IEEE 802.11b/gChipset :REALTEK RTL8187LInterface :USB 2.0Frequency Band :2.412GHz - 2.4835GHz ISM ... OS 10.6.7 or aboveLinux 2.6Driver Installation:Required, Driver CD includedModulation Method :BPSK,QPSK, CCK and OFDMSecurity Mode :64 ... own brand WIDEMAC, SKYLINK, TIANHAO, BLUEWAY on the market. 1000mW Realtek 8187L Chipset Alfa Awus036H Alfa USB Wifi Adapter