... RFID reader + GPS + mobile computer(Model: WM-5000C+)Based on windows mobile operation system and world leading GPS technology, WM ... (altitude, longitude, and time), picture, and accident in real time on GSM network; besides, the device also has a lot of ... 13.56MHz card (optional)laser barcode scanner (optional)GSM/GPRS real time data transfervoice communication, , message sending / receiving, image ...