HSDPA UP to 7.2Mbps,MSM6280 chip set Zero-CD installation GSM/GPRS/EDGE ... , 3g wireless modem, hspda wireless modemSDPA/UMTS HSDPA UP to 7.2Mbps,MSM6280 chip set Zero-CD installation GSM/GPRS/EDGE ... card slot(up to 4G)Support Windows2000,Windows XP,Windows Vista,Windows7(64unit),Mac OS New brand 3G wireless modem support Windows 7 (64unit)