1, Ralink RT5370 ,150Mbps 2, USB2.0/1.1 connector 3, 2 ... band 4, Windows OS,Mac OS,Linux,WPA, WPA2, WMM Ralink 5370 USB Wifi Adapter with 2dBi Antenna This mini profile ... end users the greatest perfomance anytime in any circumstanceMain feature:Ralink 5370 chipset,1T1R modeUSB2.0 internfacesupport AP functionsupprot windows OS ... .7x58mm, details refer to the figures.Net Weight9.8 g wireless usb adapter