Chapter 1 - Description and Specifications

Chapter 1: Description and Specifications

Product Description

The Multi-Tech MultiModem CDMA is an external data/fax/voice wireless modem. It also supports mobile originated short message service (SMS) and mobile-terminated SMS. Designed for global use, it offers standards-based multi-band CDMA2000 1x 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 CDMA is based on industry-standard open interfaces, and can be desktop or panel mounted.

Package Contents

Basic Package

•one modem

•two holding bridles (mounting brackets)

•one fused power cable

•one Quick Start Guide

Bundled Package

•All Basic Package items except the fused power cable, plus

•one RS232 15-to-9 pin cable

•four adhesive-backed rubber feet for table-top mounting

•one antenna

•one universal power supply with power cord

•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 15 pins SUB D)

•Power supply (via 2.5mm miniature power jack)

Parts to be Supplied by End User

•Mounting screws (screw shaft diameter = .17” max.)

•Antenna

•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.

Antenna/RF Specifications

 

 

CDMA 800

CDMA 1900

 

 

 

 

 

Frequency

824 to 894 MHz

1850 to 1990 MHz

 

Impedance

50

ohms

 

VSWR

 

<1.5

 

Typical Radiated

0 dBi on azimuth plane

 

Gain

 

 

 

Multi-Tech Systems, Inc. MultiModem CDMA User Guide

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