Specifications

GV200 @Track Air Interface Protocol
TRACGV200AN003 – 84 –
sensor, and the sensor must be set as periodical data output, QFS100 can not support this
function.
 <Ex Detect Frequency>: If <Ex Unsolicited Enable> is disable, the GV200 device will send
READ command to the fuel sensor and read the data as this frequency.
 <Ex Filter Factor>: The filter factor of the sensor and now only QFS100 can use this factor,
and for other sensors, this parameter is ignored.
 0: No filter
 1: 12 seconds
 2: 24 seconds
 3: 36 seconds
 4: 60 seconds
 5: 120 seconds
 6: 180 seconds
 7: 240 seconds
 8: 480 seconds
 9: 960 seconds
The acknowledgment message of AT+GTEFS command:
 +ACK:GTEFS,
Example:
+ACK:GTEFS,040408,135790246811220,,0008,20090214093254,11F0$
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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