MTCMR-H4-P1-GB/IE Multi-Tech Systems, MTCMR-H4-P1-GB/IE Datasheet - Page 43

• Manufacturer Part Number: MTCMR-H4-P1-GB/IE
• Description: MODEM CELLULAR QUAD GPRS HSPA
• Manufacturer: Multi-Tech Systems
• Series: MultiModem® iCellr

Specifications of MTCMR-H4-P1-GB/IE

• Function: Transceiver, HSPA, Modem
• Modulation Or Protocol: GPRS, GSM, EDGE
• Frequency: 850MHz, 900MHz, 1.8GHz, 1.9GHz
• Applications: General Purpose
• Interface: RS-232, USB
• Data Rate - Maximum: 7.2 Mbps
• Features: UK Power Cord
• Voltage - Supply: 9 V ~ 32 V, USB
• Package / Case: Module
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 881-1122

Supported ITU-T Recommendation V.250 Commands
&D Set DTR Function Mode
High Speed HSPA-H4 AT Commands Reference Guide (Document S000483A)
GSM/WCDMA 3G AT Commands
Description:
Syntax:
Values:
Parameter Storage: The <n> parameter is stored in EEPROM using AT&W. The default value can be
Examples:
Chapter 3 – Supported
This command controls the Data Terminal Ready (DTR) function
No Read and Test Commands
<n>
Command
Action Command:
AT&D[<n>]
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
restored using AT&F.
DTR Signal Control Parameter
0
1
2
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. Default.
Responses
OK
Chapter 3 – Supported GSM/WCDMA AT Commands
Responses
OK
Note: Command valid
OK
Note: Command valid
OK
Note: Command valid
mode.
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