MTCMR-G-F4 Multi-Tech Systems, MTCMR-G-F4 Datasheet - Page 33

• Manufacturer Part Number: MTCMR-G-F4
• Description: MODEM GPRS QUAD BAND GSM GLOBAL
• Manufacturer: Multi-Tech Systems
• Series: MultiModem® iCellr

Specifications of MTCMR-G-F4

• Frequency: 850MHz, 900MHz, 1.8GHz, 1.9GHz
• Applications: General Purpose
• Interface: RS-232, USB
• Function: Transceiver, Modem
• Data Rate - Maximum: 115.2kbps
• Modulation Or Protocol: GSM, GPRS
• Voltage - Supply: 9 V ~ 32 V
• Package / Case: Module with Case
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Power - Output: -
• Sensitivity: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 881-1151; MTCMR-G-F4

Network Registration +CREG
Operator List Management +WOLM
Multi-Tech Systems, Inc. GPRS AT Commands Reference Guide (Document Number S000293J)
Description:
Values:
Syntax:
Description:
Values:
This command is used by the application to ascertain the registration status of the product.
<mode>
<stat>
<lac>: String type; two byte location area code in hexadecimal format (e.g., “00C3” equals 195 in
<ci>: String type; two byte cell ID in hexadecimal format.
Command Syntax: AT+CREG= <mode>
Response syntax: +CREG: <mode>, <stat> [ ,<lac>,<ci> ] for AT+CREG? Command only
This command allows a new or modified operator to be added to the PLMN list. Up to 10 PLMNs can be
created and stored in the flash memory.
Please note that if two entries with the same network (MCC+MNC), but have different names, are
entered, the first entry will be used.
<mode>
<loc>
<NumOper>
<short name>
<long name>
Command
AT+CREG?
AT+CREG=0
Note: Disable network registration unsolicited result code
AT+CREG=1
Note: Enable network registration unsolicited result code
AT+CREG=2
Note: Enable network registration and location
information unsolicited result code
AT+CREG=?
0
1
2
0
1
2
3
4
5
0
1
2
Location. If this parameter is not filled with <mode>=1, the location will be the first emply one.
Operator in numeric format.
The short name of the PLMN.
The long name of the PLMN.
decimal).
Disable network registration unsolicited result code (default)
Enable network registration code result code +CREG: <stat>
Enable network registration and location information unsolicited result code +CREG:
<stat>,<lac>,<ci> if there is a change of network cell.
Not registered, ME is not currently searching for a new operator.
Registered, home network.
Not registered, ME currently searching for a new operator to register to.
Registration denied.
Unknown.
Registered, roaming.
Delete
Write
Read
Possible responses
+CREG: <mode>,<stat>
OK
Note: As defined here-above
OK
Note: Command valid
OK
Note: Command valid
OK
Note: Command valid
+CREG: (0-2)
Note: 0,1,2 <mode> values are supported
Chapter 6 – Network Service Commands
33