... wifi network LED light;9.I/O Ports: 1*USB 2.0 host,,1*Mic jack, 1*earphone jack, 1*DC ... & Shock Resistance: MIL-STD-810G; Drop: about 4 feets or 1.2M ;13. Work Temperature: operation: -10-50 C, ... ), 15693 Compliant;D: 3G module: support WCDMA Module or CDMA/EVDO module.E: GPS: Ublox-6,F: ... Finance, Retail Stores, Hotel, Control and Monitoring Etc. 8inch rugged tablet pc,compact rugged tablet.rugged pc