Specifications

GT300 @Track Air Interface Protocol
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— <incoming call number> : the phone number of the incoming call which initiates this
response.
3.3.3. Report Google Maps hyperlink
According to the setting of locaiont by call and the command option of AT+GTRTO, the device
can report its current location with Google Maps hyperlink.
If location by call is set to working mode 2 ~ 4, the device will sent its current position to the
incoming call via SMS with Google Maps hyperlink.
If the command option of AT+GTRTO set to B, the device will send its current position to the
originating phone number via SMS with Google Maps hyperlink.
¾ Google Maps hyperlink
Example:
http://maps.google.com/maps?q=31.222073,121.354335
F1 D2009/01/01T00:00:00 B74%
Parameter
Length(byte)
Range/Format
Default
Google Maps hyperlink
header
30
http://maps.google.com
/maps?q=
http://maps.google.co
m/maps?q=
latitude
<=20
xx.xxxxxx
longitude
<=20
xxx.xxxxxx
GPS fix
2
F1|F0
GPS UTC time
20
DYYYY/MM/DDTHH
:MM:SS
battery level
<=5
B1~100%
3.3.4. Report for Querying
When the AT+GTRTO command is queried, the terminal will answer with the corresponding
report messages. (Refer to chapter 4.5)
GTCID: Report the ICCID of the SIM card in the terminal.
GTHWV: Report the hardware version.
GTLGT: Report the last successful GPS fixing time.
GTCBC: Report the battery level (in percent).
¾ +RESP:GTCID,
¾ +RESP: GTHWV,
¾ +RESP: GTLGT,
¾ +RESP:GTCBC,