Queclink GL300 User Manual

GL300 @Tracker Air Interface Protocol
3.2.18. Network Select
The AT+GTNTS command is used to set network when in low signal.
 AT+ GTNTS =
Example:
AT+GTNTS=gl300,1,20,2,46001,,,,,FFFF$
Parameter Length (byte) Range/Format Default
Password 4 – 6 ‘0’ – ‘9’, ‘a’ – ‘z’, ‘A’ – ‘Z’ gl300
enable 1 0|1 0
Rssi threshold 3 0 – 35 30
Interval 3 0 – 300min 10
Oper1 10
Oper2 10
Oper3 10
GSM interval 3 0 – 300min 10
Reserved 0
Serial number 4 0000 – FFFF
Tail character 1 $ $
 <Enable>: Enable or disable “NTS” based functionality.
 0: Disable
 1: Enable
 <Rssi threshold>: The threshold of the CSQ value.
 <Interval>: The interval time to change to another opetor.
 <Oper1>: The first network it will select when under threshold over interval time.
 <Oper2>: The second network it will select when under threshold over interval time.
 <Oper3>: The third network it will select when under threshold over interval time.
 <GSM Interval>: The time in minute before changing the operator without GSM network.
The acknowledgment message of the AT+ GTNTS command.
 +ACK:GTNTS
Example:
+ACK:GTNTS,1A0102,135790246811220,,0011,20101029085505,0028$
Parameter Length (byte) Range/Format Default
Protocol version 6 XX0000 – XXFFFF,
X∈{'A'-'Z','0'-'9'}
Unique ID 15 IMEI
Device name 20
Serial number 4 0000 – FFFF
Send time 14 YYYYMMDDHHMMSS
Count number 4 0000 – FFFF
Tail character 1 $ $
TRACGL300AN001 - 41 -
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Queclink GL300 Specifications

General

Brand	Queclink
Model	GL300
Category	GPS
Language	English