Specifications

GV200 @Track Air Interface Protocol
TRACGV200AN003 – 40 –
Tail Character 1 $ $
 <Mode>: The working mode of the speed alarm.
 0: Disable speed alarm.
 1: Report speed alarm if the current speed is within the speed range defined by <Min
Speed> and <Max Speed>.
 2: Report speed alarm if the current speed is outside the speed range defined by <Min
Speed> and <Max Speed>.
 3: Report speed alarm only one time if the current speed is within or outside the speed
range defined by <Min Speed> and <Max Speed>. In this mode, <Send Interval>
will be ignored.
 <Min Speed>: The lower limit speed.
 <Max Speed>: The upper limit speed.
 <Duration>: If the speed meets the alarm condition and maintains a period of time defined by
<Duration>, the speed alarm will be triggered.
 <Send Interval>: The interval time of sending speed alarm message.
The acknowledgment message of AT+GTSPD command:
 +ACK:GTSPD,
Example:
+ACK:GTSPD,040100,135790246811220,,000C,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'
Serial Number 4 0000 – FFFF
Send Time 14 YYYYMMDDHHMMSS
Count Number 4 0000 – FFFF
Tail Character 1 $ $
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