CalAmp TTU-1200

CalAmp TTU-1200 is a trailer GPS tracker for assets normally connected to 12/24V systems but often idle for extended periods. The device features an internal 3.8Ah battery (6 months life at 1 message/day), 3 inputs/outputs, built-in 3-axis accelerometer, geofences, and IP66 casing.

Protocol: calamp Manufacturer: CalAmp Forum discussion
Properties
Device Information
device_info
Generic device information.
firmware_version: Firmware Version
Properties
AT Command
at
Send custom AT command to device
payload: Command to send, after AT
Query Current IP Address
{"payload":"$APP ADDR?"}
Query Current Output States
{"payload":"$APP OUTPUT?"}