MTCMR-H4-P1-GB/IE Multi-Tech Systems, MTCMR-H4-P1-GB/IE Datasheet - Page 24

• 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

Generic Dial-Up Method - Non-Windows
Multi-Tech Systems, Inc. MultiModem iCell User Guide
Serial Baud Rate
Your MultiModem iCell is defaulted to a serial baud rate of 115200 from the factory. To enjoy faster baud rates, you can
manually set the modem to a higher speed (230400, 460800, or 921600) using the AT+IPR=<baudspeed>. However, you
must make sure the host serial port is capable of the new speed. If the new speed is set and the host hardware is not capable
of the higher speed, you will need to find a host that is capable or reset the nvram with the following:
Recovery
To do this manually, power off the modem, depress the Caps Lock key and hold down the M key. Power on the modem, a
MU should display. Press the D key and then the S key quickly.
1.
2.
3.
Open a terminal application such as HyperTerminal with the following settings:
19200, 8, NONE, Hardware Flow Control
When the modem boots there is a 500ms window to do the following:
To disable the IP stack, enter AT+WOPEN=0
To set up an Access Point Name (APN):
If GPRS/EDGE/HSPA, dial onto the network using ATD*99***1#
If CDMA, EV-DO, dial onto the network using ATD#777
Issue:
Response:
Issue:
Response:
Issue:
Response:
AT+CGDCONT=1, “IP”,”<APNSERVER>”
Where <APNSERVER> is the APN server supplied by your carrier
M
MU
D
M
S
S<cr><if>OK<cr><lf>
Chapter 3
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