
GV300 @Track Air Interface Protocol
Daylight Saving 1 0|1
Send Time 14 YYYYMMDDHHMMSS
Count Number 4 0000 – FFFF
Tail Character 1 $ $
<State>: The current motion state of the device.
z 16 (Tow): The device attached vehicle is ignition off and it is towed.
z 1A (Fake Tow): The device attached vehicle is ignition off and it might be towed.
z 11 (Ignition Off Rest): The device attached vehicle is ignition off and it is motionless.
z 12 (Ignition Off Motion): The device attached vehicle is ignition off and it is moving
before it is treated as being towed.
z 21 (Ignition On Rest): The device attached vehicle is ignition on and it is motion less
z 22 (Ignition On Motion): The device attached vehicle is ignition on and it is moving
z 41 (Sensor Rest): The device attached vehicle is motionless without ignition signal
detected
z 42 (Sensor Motion): The device attached vehicle is moving without ignition signal
detected
<ICCID>: The ICCID of the SIM card.
<CSQ RSSI>: The signal strength level.
CSQ RSSI Signal Strength (dBm)
0 <-133
1 -111
2 – 30 -109 – -53
31 >-51
99 Unknown
<CSQ BER>: The quality of the GSM signal. The range is 0-7, 99 for unknown.
<External Power Supply>: Whether the external power supply is connected.
z 0: Not connected
z 1: Connected
<External Power Supply VCC>: The voltage of the external power supply.
<Backup Battery VCC>: The voltage of the backup battery. The value of this field is only
valid when the external power is not connected.
<Charging>: Whether the backup battery is charging when the main power supply is
connected.
z 0: Not charging
z 1: Charging
< External GPS Antenna>: the status of the external GPS antenna.
z 0: The external GPS antenna of the device is working.
z 1: The external GPS antenna of the device is detected in open circuit state.
<Last Fix UTC Time>: The UTC time of the latest successful GPS fixing.
<Pin15 Mode>: The current working mode of pin 15.
<Analog Input VCC1>: The voltage of the analog input 1.
TRACGV300AN002 – 79 –
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