Chapter 1 – Description & Specifications
Multi-Tech Systems, Inc. MultiModem GSM/GPRS User Guide 10
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 RS232. 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 Asynchronous 2400, 4800, 9600 and 14400 bps.
Data Transparent and Non Transparent modes.
In Non Transparent Mode only: 300, 1200, 1200/75 baud rates are available.
Mode 3.1 KHz (PSTN) and V110 (ISDN).
Fax 2400/4800/7200/9600 bps
Fax GSM teleservice 62 in Transparent Mode.
Class 2. Group 3 compatible.
GPRS Class 10. Coding schemes: CS1 to CS4.