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GeminiG3 - User Manual
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1. PRODUCT OVERVIEW
This document provides the information required for the installation, operation, and verification of the
Dataradio® GeminiG3™ wireless radiomodem.
1.1 Intended Audience
This document is designed for use by engineering design, installation, and maintenance personnel.
1.2 General Description
Available in 700 MHz, 800 MHz, or UHF and in 700-800 MHz Agile Dual-Band (ADB) model, GeminiG3 is
a mobile radiomodem aimed at the public safety and public utility markets. It integrates all the necessary
hardware for data-only vehicular installations up to but not including the laptop PC and its application
software.
Examples of applications are:
1.
Database inquiry systems.
Small number of brief messages, (usually from the mobile station) with fairly long responses.
2.
Computer-aided dispatch (CAD).
Large number of messages, (usually from the base station) with very brief responses.
3.
Autonomous Automatic Vehicle Location (AAVL).
Using built-in GPS receiver, determines position, speed and direction of fleet members.
The GeminiG3 radiomodem is made-up of:
•
A main transceiver
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An auxiliary receiver for Parallel Decode™
•
A 10 to 25-Watt adjustable power amplifier (700 MHz), 10 to 35 (800 MHz), 10 to 40 (UHF)
•
A Gemini Processor/Modem board with DSP modem
•
An integrated OEM 12-channel GPS receiver.