Huawei EC5805 Support Windows 2000, Windows XP ,Win7,Mac, Windows Vista Operating Systems 3G Wireless Modem Huawei EC5805 1. EVDO 800 MHz2. 800 MHz3. Support Down 3.1Mbps, Up 1.8Mbps.4. Support UIM:ROM-UIM or R-UIMLED5. Size: 96x56x11.6mm6. weight: 80g7. Support Windows 2000, Windows XP ,Win7,Mac, Windows Vista Operating Systems