1 General
description
1.1 Introduce
The modem is a self-contained E-GSM/GSM-GPRS 900/1800 dual-band
modem and is GPRS class 10 capable.
This modem supports the following transmissions:
¾
Data,
¾
Fax,
¾
Short Messages (Point to point and Cell Broadcast),
¾
Voice
calls.
The modem comprises several interfaces:
¾
LED function indicating the operating status,
¾
External antenna (via SMA connector),
¾
RS232 Serial (via 9-pin SUB HD connector),
¾
Power supply (via 2.5mm DC power jack),
¾
SIM card holder.
1.2 Features
The main features of the modem are the following:
¾
2 Watts E-GSM 900 radio section.
¾
1 Watt GSM1800 radio section.
¾
Echo Cancel noise reduction.
¾
Full GSM or GSM / GPRS software stack.
¾
Hardware GPRS class 10 capable.
¾
Complete
shielding.
¾
A DC Power supply.
¾
A RS232 serial link.
¾
A 1.8V / 3.3V SIM interface.
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