Specifications

Module Customization
Rev. 8 May.12 Proprietary and Confidential 273
22. Set up MEP/MCC/MNC:
a. Enable/disable prompt for MEP code when incorrect SIM is inserted:
AT!CUSTOM=”MEPCODE”,<value> (page 40)
b. Set MEP locking status (Only enable if MEP code prompt is also
enabled.)
AT!CUSTOM=”MEPLOCK”,<value> (page 40)
Note: <mcc> is three digits
in North America, or two
digits elsewhere.
c. If MEP locking is enabled:
i. Populate the PLMN list with up to sixty-four MCC/MNC pairs. Up to
six pairs can be added at a time using the following command:
AT!NVPLMN=<mcc1>, <mnc1>, ... , <mccn>, <mncn> (page 64)
Note: The OEM must
provide a random and
unique MEP lock code.
This is used by the end-
user to unlock the modem.
ii. Lock the PLMN list:
AT+CLCK=”PN”, 1 [, <password> [, <class>]] (See 3GPP TS 27.007)