Meitrack T622

Meitrack T622 is a high-end vehicle GPS tracker supporting a wide range of peripherals making it suitable for taxies, freight cars, and buses. The device features Garmin Fleet Tracking, harsh acceleration/braking alarm, 2 customizable RS232 ports, 3 digital inputs, 2 analog detection inputs, 2 outputs, support for multiple accessories (CAN bus, camera, LED display, fuel/temperature sensor, iButton), and more.

Protocol: meitrack Manufacturer: Meitrack Forum discussion
Properties
Device Information
device_info
Generic device information.
serial: Serial Number
firmware: Firmware Version
Server Settings Setup
server
The server send command to tracker to setup server settings
apn: APN
host: Host
port: Port
password: APN Password
username: APN Username