Download Airtel Huawei E 1731 | E173CS-1 | E173CS1 | 3g Dognle | Modem | Datacard | Driver | Software | Firmware | Unlock | Specification | Dashboard April 2, 2012 By Digital Gallery India 134 Comments Download Airtel Huawei E 1731 | E173CS-1 | E173CS1 | 3g Dognle | Modem | Datacard | Driver | Software | Firmware | Unlock | Specification | Dashboard | Downgrade Airtel Dashboard | Downgrade Airtel Firmware | Old Version Airtel 3G USB Dongle | Modem | Datacard | Huawei E1731 Product Specification : Speed HSDPA 7.2Mbps, HSUPA 5.76Mbps Network customized simlock to airtel network, plug n play Chipset qualcomm MSM6290 Radio for 3G HSDPA/UMTS 2100 MHz, receive diversity also compatible with EDGE/GPRS/GSM 850/900/1800/1900 MHz GSM/CDMA GSM/WCDMA Size 71mm*26mm*12.5mm Messaging yes VID/PID 12D1/140C MicroSD Support yes (up to 32GB) Antenna Inbuilt antenna OS windows 2000 SP4,windows XP SP2/SP3, windows vista SP1/SP2, windows 7 mac OSx