Specifications

GT300 @Track Air Interface Protocol
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command to terminal:
AT+GTRTO=gt300,7,0004
“7” means this command is used to get the firmware version.
The command is accepted by the terminal when the backend server receives the following
message:
+ACK:GTRTO,135790246811220,SWV,0004,20090202172647,000A,0102070202
The terminal will report the firmware version as following:
+RESP:GTSWV,135790246811220,0824B07GT300M128_TOSHIBA,V01,20090203094913,00
0A,0102070202
“0824B07GT300M128_TOSHIBA” is the software release version, where “07” is the major
version. “V01” is the minor version.
4.5.9. Get Hardware Version
Example:
If the backend server is to retrieve the hardware version of the terminal, send the following
command to terminal:
AT+GTRTO=gt300,8,0004
“8” means this command is used to get the hardware version.
The command is accepted by the terminal when the backend server receives the following
message:
+ACK:GTRTO,135790246811220,HWV,0004,20090202172647,000A,0102070202
The terminal will report the hardware version with the following message:
+RESP:GTHWV,135790246811220,GT300HW0103,20090203094914,000A,0102070202
“GT300HW0103” means the current hardware version is GT300 V1.03.
4.5.10. Get the Battery Level
Example:
If the backend server is to retrieve the battery level of the terminal, send the following command
to terminal:
AT+GTRTO=gt300,9,0004
“9” means this command is used to read the battery level.
The command is accepted by the terminal when the backend server receives the following
message:
+ACK:GTRTO,135790246811220,CBC,0004,20090210071841,000A,0102070202
The terminal will then report the battery level with following message: