... and WMMTM (Wi-Fi Multimedia) function USB 2.0/1.1 interface. SpecificationsStandard: IEEE 802.11b ... ) Chipset: Realtek 8187B + 8225 Frequency Band: 2.412GHz ~ 2.484GHz unlicensed ISM band Data Rate: IEEE 802. ... 11b: 1, 2, 5.5, 11Mbps / IEEE 802.11g: 6, ... O Interface: USB2.0/1.1 Operating System: Windows98SE, ME, 2000, XP, SP2, Vista, MAC, Linux Operating Temperature ...