MTCMR-G-F4 Multi-Tech Systems, MTCMR-G-F4 Datasheet - Page 158
![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: 158 of 203
- Download datasheet (884Kb)
GPRS Mobile Station Class +CGCLASS
Multi-Tech Systems, Inc. GPRS AT Commands Reference Guide (Document Number S000293J)
Description:
Values:
Example of the Automatic Attachment (See Note Above):
Syntax:
AT+CGCLASS?
+CGCLASS: “B”
OK
AT+CGATT?
+CGATT: 0
OK
AT+CGCLASS=”CG”
OK
AT+CGATT?
+CGATT: 0
OK
AT+CGATT=1
OK
AT+CPOF
OK
AT+CFUN=1
OK
AT+CGCLASS?
+CGCLASS: “CG”
OK
AT+CGATT?
+CGATT: 1
OK
Command Syntax: AT+CGCLASS
Command
AT+CGCLASS= [<class>]
AT+CGCLASS?
AT+CGCLASS=?
AT+CGCLASS=”CG”
Note: Enter GPRS Class C
mode
AT+CGCLASS=”CC”
Note: Enter GMS mode
AT+CGCLASS=”A”
Note: Chosen class not
supported
AT+CGCLASS=?
AT+CGCLASS?
The set command is used to set the modem to operate according to the specified GPRS mobile class. If
the requested class is not supported, an ERROR or +CME ERROR response is returned.
The read command returns the current GPRS mobile class.
The test command is used for requesting information on the supported GPRS mobile classes.
<class>
Other values are reserved and will result in an ERROR response to the set command.
If the modem is GPRS attached when the set command is issued with a <class> = CC specified, a
GPRS detach request is sent to the network.
If the modem is GSM attached when the set command is issued with a <class> = CG specified, a GSM
detach request is sent to the network.
Class A is not supported.
Note:
A
B
CG
CC
During switch-On in CG class, the modem always performs an automatic GPRS attach (the
ATTACH-STATUS parameter of +WGPRS is ignored). But if the modem is not already GPRS-
attached when switching from B/CC class to CG class, then no automatic GPRS attach is
performed.
A string parameter which indicates the GPRS mobile class (in descending order of
functionality)
Class A (highest)
Class B
Class C in GPRS only mode
Class C in circuit switched only mode (lowest)
Possible Response(s)
OK
ERROR
+CGCLASS: <class>
OK
+CGCLASS: (list of supported <class>s)
OK
OK
OK
+CME ERROR: 150
+CGCLASS: (“CG”,”CC”)
OK
+CGCLASS: (“CC”)
OK
Chapter 15 – GPRS Commands
158
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