Chapter 1: Description And Specifications; Product Description; Package Contents; Interfaces - Multi-Tech MultiModem MTCBA-C User Manual

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, is fully type approved, and can be
desktop or panel mounted.

Package Contents

·
one modem
·
one antenna
·
two holding bridles (mounting brackets)
·
four adhesive-backed rubber feet for table-top mounting
·
one universal power supply with power cord
·
one power supply cable with fuse
(Optional in lieu of universal power supply.
Specify when ordering.)
· one RS-232 15-to-9-pin cable
· one product CD
· one Quick Start Guide

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

Typical Radiated
CDMA 850
Frequency 824 to 894 MHz
Impedance
VSWR
0 dBi on azimuth plane
Gain
4
Chapter 1 - Description and Specifications
CDMA 1900
1850 to 1990 MHz
50 ohms
<1.5