Rainbow Electronics FARGO MAESTRO 100 (with TCP_IP) - Manual (Page 469)

SIM Commands
Card Identification +CCID
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WM_DEV_OAT_UGD_049 - 001 VOLUME 3 August 23, 2007
18 SIM Commands
18.1 Card Identification +CCID
18.1.1 Description
This command orders the product to read the EF-CCID file on the SIM card.
18.1.2 Syntax
Action command
AT+CCID
+CCID: <CCID>
OK
Read command
AT+CCID?
+CCID: <CCID>
OK
Test command
AT+CCID=?
OK
18.1.3 Parameters and Defined Values
<CCID>:
identification number for the SIM (20 digit)
18.1.4 Parameter Storage
None.