Model number:VJ-W3 Zero-CD installation USB interface Weight:50g Model number:VJ-W3Description :HSUPA UP to 7.2Mbps,MSM6275 chip set Zero-CD installation HSDPA/WCDMA 2100MHzUSB interfaceSupport Windows2000,Windows XP,Windows Vista,Windows7(32/64bit),Mac OSPacking size:12cmx10cmx2cmWeight:50g High-quality portable 3G Wireless Modem net, wifi router,,3GR-VJW3