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21
Peripherals Command
21.1 Driver ID – AT$DI
This command will return the driver ID of the driver ID Tag connected to the device.
When this command is initiated, the device will poll for valid driver ID for 5 sec and
return the driver ID right away if valid driver ID is read in 5 sec.
Note:
1. The device will return "0000000000000000" after 5 sec when no driver ID Tag is
connected.
2. The device will return "FFFFFFFFFFFFFFFF" after 5 sec when there is error in
reading the driver ID Tag.
Syntax
Command
AT$DI or AT$DI?
Note: Query setting.
Parameters
Driver ID
Example
Command
AT$DI?
Note: Query peripheral driver ID.
21.2 Dual SIM – AT$SIM
This command allows user to select one of the SIM cards for registration or set the dual
SIM setting to auto switch mode for border crossing.
Note:
Confidential
Driver ID of 8 bytes in hex values.
DAVISCOMMS (S) PTE LTD
MTD2000 AT Command Guide R12
Response
OK
$DI: <Driver ID>
Response
OK
$DI: "1234567890123456"
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