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GV300 @Track Air Interface Protocol

3.2.21. Auto-unlock PIN

The command AT+GTPIN is used to configure the auto-unlock PIN function of the device.

Some operators offer SIM card with PIN code protection by default. To make the device work

with the PIN-protected SIM card, use this command to let the device auto-unlock the SIM PIN

with the pre-set PIN code.

¾ AT+GTPIN=

Example:

AT+GTPIN=gv300,1,0000,,,,,,0014$

Parameter Length(byte) Range/Format Default

Password 4 – 6 '0' – '9' 'a' – 'z' 'A' – 'Z' gv300

Enable Auto-unlock PIN 1 0|1 1

PIN 4 – 8 '0' – '9'

Reserved 0

Serial Number 4 0000 – FFFF

Tail Character 1 $ $

 <Enable Auto-unlock PIN>: 1 to enable the auto-unlock PIN function, 0 to disable.

 <PIN>: Code used to unlock the SIM PIN.

The acknowledgment message of AT+GTPIN command:

¾ +ACK:GTPIN,

Example:

+ACK:GTPIN,060100,135790246811220,,0014,20090214093254,11F0$

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

TRACGV300AN002 – 57 –

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Queclink GL200 Spezifikationen Seite 58