Detailed Product Description usb modem,modems,pci modemHSPA USB Modem M73LUMTS band: 2100Mhz,Built-in antennas; antenna:Support operation system: ... 8.04, Windows Vista, MAC OS x 10.4,Support: USB interface,Wireless mode choice: only3G / 3.5 G (WCDMA/ ... play: automatic installation software,HSDPA data rate downlink: Download speed, 7.2 Mbps. Uplink: 384Kbps;Operating temperature: - 20o C + + - 55o C, ...