TM-700H is plug-and-play monitoring and diagnostic device with OBDII port and internal communication and GPS module. It uses high performance communication module and high sensitive GPS module as well as internal communication and GPS antennas. It supports GPRS, SMS, TCP, UDP and OTA. It adapts advanced power management solution. It supports low power consumption and auto-sleep. It can continue working for some time even if disconnected from automotive power. It supports various automotive data communication protocol. It can be used for many vehicle types. Installation is very simple and easy. User can save much time and cost compared to traditional vehicle GPS monitoring device.