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Chapter 1 – Product Description and Specifications
Multi-Tech Systems, Inc. MultiModem GPRS Wireless Modem User Guide 6
Specifications
General Specifications
Standards
GPRS Class 10 operation
Band, Frequency
Dual-band 850/1900 or 900/1800 GSM/GPRS
Packet Data
Up to 85K bps
Circuit Switched Data
14.4K GSM circuit switched data transparent and non-transparent
Serial Interface
Serial interface supports DTE speeds to 115.2K
Fax
GSM Class 1 and Class 2 Group 3
Power Requirements
5V to 32VDC; 400mA Average @ 5V, 1A Peak @ 5V
Mechanical Dimensions & Weight
4.3" L x 2.4" W x 0.94" H; 4.2 oz.
(11 cm x 6.1 cm x 2.4 cm; 119 g)
Connectors & Fasteners Antenna Connection type: SMA jack
Serial Connector: 15-pin RS232 SUB D female (DE15S)
Pins: RS232 link, audio link, BOOT, RESET
Power Connector: 2.5mm miniature power jack
SIM receptacle: (standard)
Operating Temperatures
-20° to +55°C
Storage Temperatures
-40° to +85°C
Humidity
Relative humidity 20% to 90% noncondensing
Features
Desktop or panel mounting
Short Message Services including text and PDU, point-to-point, cell
broadcast
AT command compatible
MNP2 V.42bis data compression
Numerous LEDs provide operational status
ME + SIM phone book management
Fixed dialing number
SIM Toolkit Class 2
SIM, network and service provider locks
Real time clock
Alarm management
UCS2 character set management
Embedded TCP/IP stack
Certifications
CE Mark
EMC: FCC Part 2, 15, 22, 24, EN 55022 & EN 55024
Safety: UL 60950, EN 60950
Functions – GSM Modes
Mode Description
Standard
Dual Band Extended GSM 900 MHz Class 4 (2W) and GSM 1800/1900 MHz Class 1 (1W)
Interface
Serial interface RS-232. V.24/V.28 Autobauding function. AT command set based on V.25ter and
GSM 07.05 & 07.07
SMS
Mobile Originated (MO) and Mobile Terminated (MT) SMS Mode Text & PDU point to point. Cell
broadcast in accordance with GSM 07.05.
Data
Data circuit asynchronous, transparent, non-transparent up to 14,400 bits
Mode 3.1 KHz (PSTN) and V110 (ISDN).
Fax
2400/4800/7200/9600 bps
Fax GSM teleservice 62 in Transparent Mode.
Class 1 and Class 2 Group 3 compatible.
GPRS
Class 10. Coding schemes: CS1 to CS4.