MTCMR-G-F4 Multi-Tech Systems, MTCMR-G-F4 Datasheet - Page 137
![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: 137 of 203
- Download datasheet (884Kb)
Multi-Band Selection +WMBS
Multi-Tech Systems, Inc. GPRS AT Commands Reference Guide (Document Number S000293J)
Description:
Values:
Syntax:
Use this command to select the GSM bands on which the modem will work. This command is allowed
only if the selected bands are supported.
You can choose whether the change is immediate or not:
<Band>
<Param> indicates the type of change
<ResetFlag>
Command Syntax: AT+WMBS=<Band>[,<param>]
Response Syntax: +WMBS: <Band>,<ResetFlag>
Command
AT+WMBS=<Band>
AT+WMBS=<Band>,0
AT+WMBS=<Band>,1
AT+WMBS=<Band>
AT+WMBS?
AT+WMBS=?
AT+WMBS=?
•
•
0
1
2
3
4
5
6
0
1
Note: If <Param> is not given, the modem has to be reset to start on the specified band(s), as for
0
1
Either the modem has to be reset to take this change into account (this is the default)
or the GSM stack restarts immediately on the specified band(s). In this mode, the command
+WMBS is forbidden during the initialization phase of the modem and during calls.
frequency band configuration to be supported
mono-band mode 850 MHz
mono-band mode 900 MHz
mono-band mode 1800 MHz
mono-band mode 1900 MHz
dual-band mode 850/1900 MHz
dual-band mode 900E (extended) /1800 MHz
dual-band mode 900E (extended) /1900 MHz
the modem will have to be reset in order to start on the specified band(s). <ResetFlag> is set
to 1.
the change is effective immediately. The GSM stack is restarted with the specified band(s).
the feature was not modified since the last boot of the product
the feature has been modified since the last boot of the product; it has to be reset in order to
<ResetFlag> stays at 0. This mode is forbidden whil in communication and during modem
initialization.
<param>=0.
take the modification into account. This is the case when the band was changed with
“AT+WMBS=<band>” or “AT+WMBS=<band>,0”
Possible responses
OK
Note: The modem has to reset for the change to be effective
OK
Note: The modem has to reset for the change to be effective
OK
Note: Band mode selected and GSM stack restarted
+CME ERROR: 3
Note: Band not allowed
+WMBS:<Band>,<ResetFlag>
OK
Note: Current selected band mode is returned.
WMBS: (0,3,4),(0-1)
OK
Note: Only 850 mono-band or 850/1900 bi-band are available
WMBS: (01,2,3,4,5,6),(0-1)
OK
Note: All bands are available
Chapter 13 – Specific AT Commands
137
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