CalAmp LMU-2820

CalAmp LMU-2820 is a fleet GPS tracker for measuring driver behavior and vehicle impacts. The device features GSM/GPRS, CDMA 1xRTT or HSPA configuration, 5 inputs/3 outputs/1-wire interface, built-in 3-axis accelerometer, dual switched power serial ports, geo-fencing, optional backup battery, power management, FOTA updates, and more.

Protocol: calamp Manufacturer: CalAmp Forum discussion
Device Information
Generic device information.
firmware_version: Firmware Version
AT Command
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?"}