odometer
Built-in odometer
voice
Voice calls
gprs_req
Remote management via GPRS
inputs
Digital sensors
tcp
Communication via TCP
ign
Ignition On/Off
valid
GPS available
mcc
Mobile country code
mnc
Mobile network code
lac
Location area code
cell_id
Cell tower ID
gsm
GSM signal strength
alarm (meter)
Alarm code
reserve_power
Working on internal battery
mileage (meter)
Odometer value
relay
Relay status
pow_mode
Power saving mode
