For fifotrack vehicle GPS tracker devices like S and A series, below is the parameters guide.
accv: external power
ai0: analog input 1 (Normally for fuel sensor)
batv: Built-in battery
cellid: LBS cellid
di0: digital input1
di1: digital input2
di2: digital input3
di3: digital input4
do0: digital output 1
do1: digital output2
engh: ignore it, not use
lac: LBS lac
mcc: LBS mcc
mnc: LBS mnc
odo: odometer (mileage)
rfid: rfid tag ID identify
temp1: first temperature sensor's value
temp2: Second temperature sensor's value
