... OS, with barcode reader,GPRS, RFID reader is optional Pocket Data Terminal, pocket pc , 3.5" touch, ARM926 based, WINCE ... times drop to concrete11. Temperature: Operating temperature:-20 to 50 Storage temperature:-20 to5512. Communicate on: USB /Wifi/CDMA/GPRS/ ... Bluetooth ,( wifi ,Bluetooth or GPRS only choose single)13. Storage: SD cardsupport max 1GB14. Dimensions: 202mm*78mm * 33mm15. Weight: ...