MTCMR-G-F4 Multi-Tech Systems, MTCMR-G-F4 Datasheet - Page 29

• 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

Multi-Tech Systems, Inc. GPRS AT Commands Reference Guide (Document Number S000293J)
Syntax:
Command Syntax:
Response Syntax:
Command
AT+CMEE=1
Note: Enables the use of result code
AT+SPEAKER?
AT+SIDET=0
Note: Deactivate the Sidetone
AT+SIDET?
AT+ECHO?
Note: Read current settings
AT+ECHO=1,1,0,6,10,7
Note: Active Echo cancellation 1 for Mic/Spk one.
AT+ECHO?
Note: Read current settings
AT+ECHO=1,6,30,8000,256
Note: Activate the Echo cancellation 6
AT+ECHO?
Note: Read the Echo cancellation settings
AT+CFUN=1
Note: Reset the product
AT+ECHO?
Note: Read current settings
AT+ECHO=0
Note: Deactivate the Echo Cancellation
AT+ECHO=0
Note: Deactivate the Echo Cancellation
AT+ECHO=1,6,30,50,256,200,
550,15,32767,27484,38697,7311,2
Note: Activate the Echo Cancellation 6
AT+ECHO?
Note: Read the Echo Cancellation settings
AT+CFUN=1
Note: Reset the product
AT+ECHO?
Note: Read the Echo Cancellation settings
For Algold=1:
For Algold=6:
For Algold=1:
For Algold=6:
AT+ECHO=<mode>[,<Algold>[,<VolOut>,<Step>,<PcmThRel>,<PcmThMax>]]
AT+ECHO=<mode>[,<Algold>[,<AlgoParam>,<NoiseThres>,<NmbTaps>,<ConvergenceTime
1>,<ConvergenceTime2>,<NoiseLevelMAX>,<DetectionThreshold>,<CNGAdjust>,<CNGPara
m1>,<CNGParam2>,<CNGGain>,<NmbDelay>]]
ECHO: <status>,<Algold>,<VolOut>,<Step>,<PcmThRel>,<PcmThMax>
ECHO: <status>,<Algold>,<AlgoParam>,<NoiseThres>,<NmbTaps>,<ConvergenceTime1>,
<ConvergenceTime2>,<NoiseLevelMAX>,<DetectionThreshold>,<CNGAdjust>,<CNGParam1
>,<CNGParam2>,<CNGGain>,<NmbDelay>,<NoiseEstimate>
Possible responses
OK
+ SPEAKER: 0
OK
Note: Speaker ONE and Micro ONE are active
OK
+SIDET: 0,0
+ECHO: 0,1,0,6,10,7
OK
OK
+ECHO: 1,1,0,3,10,7
OK
+CME ERROR: 519
reset of the product
+ECHO: 6,30,8000,256
OK
OK
+ECHO: 1,6,30,8000,256
OK
OK
OK
+CME ERROR:519
Note: The new algorithm will be activated after a
reset of the product
+ECHO: 6,30,50,256,200,550,15,32767,32767,
27484,38697,7311,2,65535
OK
OK
+ECHO: 1,6,30,50,256,200,550,15,32767,32767,
27484,38697,7311,2,65535
OK
Note: The new algorithm will be activated after a
Chapter 5 – Call Control Commands
29