CalAmp TTU-2830

CalAmp TTU-2830 is an advanced weatherproof trailer GPS tracker for systems sitting idle for an extended time. The device features an internal 5.2 Ah battery (6 months life at 1 message/day), 3 inputs/outputs, 1 external AD, 3-axis accelerometer, 1-Wire interface, serial interface, geofences, FOTA updates, 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?"}