Chapter 1 – Description & Specifications
Multi-Tech Systems, Inc. MultiModem® GPRS with USB User Guide 5
Chapter 1: Product Description and Specifications

Product Description

The Multi-Tech MultiModem® GPRS is an external data/fax/voice wireless modem with an USB interface. It also
supports mobile originated short message service (SMS) and mobile-terminated SMS. Designed for global use, it
offers standards-based multi-band GSM/GPRS Class 10 performance. This ready-to-deploy, standalone modem
allows developers to add wireless communication to products with a minimum of development time and expense. The
MultiModem® GPRS is based on industry-standard open interfaces, is fully type approved, and can be desktop or
panel mounted.

Package Contents

Basic Package
one modem
mounting bracket(s)
one Quick Start Guide
Bundled Package
all Basic Package items, plus
one USB cable (with Series A to Series B connectors)
one antenna
four adhesive-backed rubber feet for table-top mounting
one product CD

Interfaces

The Wireless MultiModem has several interfaces:
• LED function indicating operating status
• External antenna (via SMA connector)
• Serial and control link (via USB connector)
• Microphone and speaker (via handset jack)
• SIM card holder

Parts to be Supplied by Wireless Service Provider

• Subscriber Identity Module (SIM) configuration chip
The SIM contains information specific to your wireless account and its features.

Parts to be Supplied by End User

• mounting screws (screw shaft diameter = .17” max.)
• antenna
In the bundled package, the Wireless MultiModem is shipped with an antenna suited for it.
However, if the antenna supplied does not meet your application requirements (for size, shape,
mounting style, etc.), you must supply an antenna yourself. In general, the antenna used must be
both of the correct frequency and of a style appropriate to the application. See the Antenna/RF
Specifications section below.