
GV300 @Track Air Interface Protocol
Tail Character 1 $ $
< Analog Input VCC>: The value of the analog input voltage. When the voltage of the analog
input meets the alarm condition as set by command AT+GTEPS or AT+GTAIS, the device
will send the current analog input voltage with +RESP:GTEPS or +RESP:GTAIS message
to the backend server
<Report ID/Report Type>: The report ID and the type of the report type in hex format. 4 high
bits mean report ID and 4 low bits means report type.
Report ID has different meanings in these two messages.
z The ID of analog input port which triggers report message +RESP:GTEPS. The value
is 0.
z The ID of analog input port which triggers report message +RESP:GTAIS. The range
is 1-2.
Report type has two meanings as below.
z 0: Outside of the predefined range.
z 1: Inside of the predefined range.
<Number>: The number of the GPS position included in the report message. Generally, it
equals to 1.
¾ +RESP:GTLBC,
If the parameter <Location By Call> is enabled by the command AT+GTCFG, the device will
get and send the current position to the backend server by the message +RESP:GTLBC when
there is an incoming call.
Example:
+RESP:GTLBC,060100,135790246811220,,+8613800000000,1,4.3,92,70.0,121.354335,31.222
073,20090214013254,0460,0000,18d8,6141,00,20090214093254,11F0$
Parameter Length(byte) Range/Format Default
Protocol Version 6
XX0000 – XXFFFF,
X∈{'A' – 'Z','0' – '9'}
Unique ID 15 IMEI
Device Name <=10 '0' – '9' 'a' – 'z' 'A' – 'Z'
Call Number <=20 phone number
GPS Accuracy <=2 0|1 – 50
Speed <=5 0.0 – 999.9 km /h
Heading <=3 0 – 359
Altitude <=8 (–)xxxxx.x m
Longitude <=11 (–)xxx.xxxxxx
TRACGV300AN002 – 76 –
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