MTCMR-H4-P1-GB/IE Multi-Tech Systems, MTCMR-H4-P1-GB/IE Datasheet - Page 15

• 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

Introduction
Modem Status, Customization, and Reset Commands
!BAND Select / Return Frequency Band Set
High Speed HSPA-H4 AT Commands Reference Guide (Document S000483A)
This chapter describes commands used to reset the modem, adjust customization settings, retrieve the
firmware version, and monitor the temperature, voltage, and modem status.
Syntax:
Description:
Note:
Parameters:
Chapter 2 – Modem-Specific
Execution:
Response:
Purpose:
Query:
Response:
Purpose:
Query List: AT!BAND=?
Purpose:
Configures the modem to operate on a set of frequency bands, look up available sets, or
return the current selection.
These band sets are preconfigured by your device’s manufacturer. The bands displayed
<bandsetInd> (Band index value—When configured for ‘all regions’, all of the bands
supported by the modem will appear):
by the query command (AT!BAND=?) depend on this configuration, as shown in this
example.
or
00 = All bands
01 = WCDMA 2100
02 = WCDMA 850/1900
03 = GSM 900/1800
04 = GSM 850/1900
05 = GSM ALL
06 = WCDMA 2100 GSM 900/1800
07 = WCDMA 850/1900 GSM 850/1900
08 = WCDMA ALL
09 = WCDMA 850/2100
0A = WCDMA 800/2100
Commands
AT!BAND=<bandsetInd>
OK
Select a set of bands
AT!BAND?
<bandsetInd>, Band set description
OK
(If the current band mask doesn’t match a band set)
Unknown band mask. Use AT!BAND to set band.
<bandmask>
OK
Report the current band selection.
Display allowed values for <bandsetInd> and the corresponding frequency
bands.
Chapter 2 – Modem-Specific Commands
15