... , Location-based Services Applications: Vehicle Security/Recover/Anti-hijacking ·Mobile Asset Tracking, Location-based Services ·Fleet Management: car, taxi, bus, truck etc ... : 1.Can built-in RFID Reader with 2.4G RFID tag, SD card record (optional) 2.Can connect external RFID Reader, Cameras, Printer ... and 1 mini USB port GPS tracker,school bus tracking system,built-in RFID Reader with 2.4G RFID tag,