... , bluetooth,thermal printer 2)RS232,optional 1D scaner, rfid,camera,gprs 3)4000battery SPECShandheld pda with thermal printerOSCPU WINCE5.0,MOBILE6 ... Mouse and keyboard by USB portCommunicationWLAN USBSerial port Audio GSM/GPRS/3GBluetooth 802.11b/g1 USB 1.1 Host,1 Client ... )1.5 m drop onto concreteGPRS/3G pos printerSuport GSM/GPRS/3G ,WIFI,Bluetooth RS232 communication, and optional buit-in barcode ...