MTCMR-G-F4 Multi-Tech Systems, MTCMR-G-F4 Datasheet - Page 102

• 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

Set DTR Signal &D
Set DSR Signal &S
Back to Online Mode O
Result Code Suppression Q
Multi-Tech Systems, Inc. GPRS AT Commands Reference Guide (Document Number S000293J)
Description:
Values:
Syntax:
Description:
Values:
Syntax:
Description:
Values:
Syntax:
Description:
Values:
Syntax:
This commands controls the Data Terminal Ready (DTR)
<n>
Command syntax: AT&D<n>
This commands controls the Data Set Ready (DSR) signal.
<n>
Command syntax: AT&S<n>
If a connection has been established and the ME is in command mode, this command allows you to
return to online data mode.
No parameters
Command syntax: ATO
This command determines whether the mobile equipment sends result codes or not.
<n>
Command syntax: ATQ<n>
Command
ATO
Return from offline mode to online mode
Command
AT&D0
Note: The DTR signal is ignored
AT&D1
Note: Modem switches from data to command mode when
DTR switches from ON to OFF
AT&D2
Note: Upon DTR switch from ON to OFF, the call is released
Command
AT&S0
Note: DSR always on
AT&S1
Note: DSR off in command mode, DSR on in data mode
Command
ATQ0
Note: DCE transmits result codes
ATQ1
Note: Result codes are suppressed and not transmitted
0
1
2
0 DSR always on
1 DSR off in command mode. DSR on in data mode.
0
1
The DTR signal is ignored
Modem switches from data to command mode when DTR switches from ON to OFF
Upon DTR switch from ON to OFF, the call is released
DCE transmit result codes
Result codes are suppressed and not transmitted
Possible responses
OK
signal.
Possible responses
OK
Note: Command valid
OK
Note: Command valid
Possible responses
OK
Note: Command valid
Note: No response
Chapter 12 – V.24 and V.25 Commands
Possible responses
OK
Note: Command valid
OK
Note: Command valid
OK
Note: Command valid
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