MTCMR-G-F4 Multi-Tech Systems, MTCMR-G-F4 Datasheet - Page 26
![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: 26 of 203
- Download datasheet (884Kb)
Microphone Mute Control +CMUT
Speaker & Microphone Selection +SPEAKER
Multi-Tech Systems, Inc. GPRS AT Commands Reference Guide (Document Number S000293J)
Description:
Values:
Syntax:
Description:
Values:
Syntax:
This command mutes the microphone input on the product (for the active microphone set with the
+SPEAKER command). This command is only allowed during a call.
<mode>
AT+CMUT=<mode>
This specific command selects the speaker and the microphone set.
<ActiveSpkMic>
AT+SPEAKER=<ActiveSpkMic>
Command
AT+CMUT=?
Note: Test command
AT+CMUT?
Note: Ask for current value
AT+CMUT=1
Note: Mute ON (call active)
AT+CMUT?
Note: Ask for current value
AT+CMUT=0
Note: Mute OFF (call not active)
Command
AT+SPEAKER=0
Note: Speaker ONE and Micro ONE
AT+SPEAKER?
AT+SPEAKER=?
0
1
0
1
microphone mute off (default value).
microphone mute on.
Speaker One, Micro One
Speaker Two, Micro Two
Possible responses
+CMUT: (0,1)
OK
Note: Enable / disable mute
+CMUT: 0
OK
Note: Current value is OFF
OK
Note: Command valid
+CMUT: 1
OK
Note: Mute is active (call active)
+CME ERROR:3
Note: Command not valid
Possible responses
OK
Note: Command valid
+SPEAKER: 0
OK
Note: Speaker ONE and Micro ONE are active
+SPEAKER: (0,1)
OK
Chapter 5 – Call Control Commands
26
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