GL300 @Tracker Air Interface Protocol
Sv_power 2 0-55
Send time
14
YYYYMMDDHHMMSS
Count number
4
0000 – FFFF
Tail character
1
$
$
<
GPS level
>:Four levels:
0: Can not fix
1: Hard to fix
2: A little hard fix
3: Easy to fix
<
Jamming indicator
>: Scaled (0 = no CW jamming, 255=strong CW jamming)
<
SV count
>: Count of satellites the GPS found.
<
Sv id
>: Satellite id
<
SV power
>: Satellite power
3.3.4.
Event Report
The following event reports are triggered when certain event occurs.
+RESP:GTPNA
: Power on report
+RESP:GTPFA
: Power off report
+RESP:GTEPN
: The report for connecting external power supply
+RESP:GTEPF
: The report for disconnecting external power supply
+RESP:GTBPL
: Battery low report
+RESP:GTBTC
: Start charging report
+RESP:GTSTC
: Stop charging report.
+RESP:GTSTT
: Device motion state indication
+RESP:GTPDP
: GPRS PDP connection report
+RESP:GTSWG
: Switch on or off Geo-Fence 0 via function key
+RESP:GTIGN
: Ignition on report
+RESP:GTIGF
: Ignition off report
+RESP:GTGSM:
The report for the information of the service cell and the neighbor cells.
+RESP:GTTEM:
Temperature alarm report
+RESP: GTUPC:
Tell the backend server that the configuration in the unit is updated over the air
+RESP: GTJDR:
If the <Mode> set as 1 in the AT+GTJDC command, when jamming is detected,
the device will RESP:GTJDS message.
+RESP: GTJDS:
If the <Mode> set as 2 in the AT+GTJDC command, when jamming is detected,
the device will RESP:GTJDS message.
In
+RESP:GTEPN
,
+RESP:GTEPF
,
+RESP:GTBTC
,
+RESP:GTSTC
,
+RESP:GTBPL
,
+RESP:GTSTT,+RESP:GTSWG
event reports, the last known GPS information and the current
GSM network information are involved.
+RESP:GTPNA:
TRACGL300AN001
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