MTCMR-G-F4 Multi-Tech Systems, MTCMR-G-F4 Datasheet - Page 16
![no-image](/images/no-image-200.jpg)
MTCMR-G-F4
Manufacturer Part Number
MTCMR-G-F4
Description
MODEM GPRS QUAD BAND GSM GLOBAL
Manufacturer
Multi-Tech Systems
Series
MultiModem® iCellr
Datasheets
1.MTCMR-G-F4-NAM.pdf
(2 pages)
2.MTCMR-G-F4.pdf
(8 pages)
3.MTCMR-G-F4.pdf
(28 pages)
4.MTCMR-G-F4.pdf
(203 pages)
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
MTCMR-G-F4
- MTCMR-G-F4-NAM PDF datasheet
- MTCMR-G-F4 PDF datasheet #2
- MTCMR-G-F4 PDF datasheet #3
- MTCMR-G-F4 PDF datasheet #4
- Current page: 16 of 203
- Download datasheet (884Kb)
Power Off +CPOF
Set Phone Functionality +CFUN
Multi-Tech Systems, Inc. GPRS AT Commands Reference Guide (Document Number S000293J)
Description:
Values:
Syntax:
Description:
Values:
Syntax:
Stops the GSM software stack as well as the hardware layer or modem activity. The AT+CFUN=0
command is equivalent to +CPOF.
No parameters
AT+CPOF[=1]
Note:
Note:
Caution:
Selects the mobile station’s level of functionality. When the application wants to stop the product with a
power off, or if the application wants to force the product to execute an IMSI DETACH procedure, then it
must send: AT+CFUN=0 (equivalent to AT+CPOF).
This command executes an IMSI DETACH and makes a backup copy of some internal parameters in
SIM and in EEPROM. The SIM card cannot then be accessed.
If the mobile equipment is not powered off by the application after this command has been sent, a re-
start command (AT+CFUN=1) will have to issued to restart the whole GSM registration process.
If the mobile equipment is turned off after this command, then a power on will automatically restart the
whole GSM process.
The AT+CFUN=1 command restarts the entire GSM stack and GSM functionality: a complete software
reset is performed. All parameters are reset to their previous values if AT&W was not used.
If you write entries in the phonebook (+CPBW) and then reset the product directly (AT+CFUN=1, with
no previous AT+CFUN=0 command), some entries may not be written (the SIM task does not have
enough time to write entries in the SIM card).
In addition, the OK response will be sent at the last baud rate defined by the +IPR command. With the
autobauding mode the response can be at a different baud rate, it is therefore preferable to save the
defined baud rate with AT&W before directly sending the AT+CFUN=1 command.
<functionality level>
AT+CFUN=<functionality level>
Command
AT+CPOF
Note: Stop GSM stack
AT+CPOF=1
Note: Stop the modem
Command
AT+CFUN?
Note: Ask for current functionality level
AT+CFUN=0
Note: Set minimum functionality, IMSI detach procedure
AT+CFUN=1
Note: Set the full functionality mode with a complete software reset
0 Set minimum funtionality; IMSI detach procedure
1 Set the full functionality mode with a complete software reset
I
After AT+CPOF[=1], the modem will not respond to AT commands. To reset it, use the hard
reset.
n autobaud mode, after an AT+CPOF, unsolicited information that wakes up the modem is
sent at 9600 bps until an AT command is sent. When an AT command is sent, the modem
will synchronize to the sender’s speed.
When starting up, if autobauding is enabled and no AT command has yet been received, the
product sends all unsolicited responses (like RING) at 9600 baud.
Possible responses
OK
Note: Command valid
OK
Note: Command valid
Chapter 4 – General AT Commands
Possible responses
+CFUN: 1
OK
Note: Full functionality
OK
Note: Command valid
OK
Note: Command valid
16
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