001-5006-000_FCC.docx
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1
GUARDIAN OVERVIEW
This document provides information required for the operation and verification of the
CalAmp Guardian Narrowband Modem.
1.1
GENERAL DESCRIPTION
This DSP-based radio was designed for SCADA, telemetry and industrial applications in the
136-174 MHz, 215-240 MHz VHF, 406.1-512 MHz UHF, and 928-960 MHz frequency ranges.
Guardian supports serial Remote Terminal Units (RTU) and programmable logic controllers
(PLC). The Guardian is compatible with any Dataradio Interoperability Standard (DI-OS)
equipment and Bell 202/212 interface.
1.2
OPERATIONAL CHARACTERISTICS
The Guardian product has the following operational characteristics:
Frequency range of 136-174 MHz, 215-240 MHz, 406.1-470 MHz, 450-512 MHz, or
928-960 MHz.
User-selectable data rates
Built-in transceiver adjustable from 1 to 10 watts (8 watts max for 900MHz)
Wide input power range of 10 to 30 volts DC
Online and Offline Diagnostics
Supports up to 8 different frequency channel pairs (selectable through user interface
port).
Industrial operating temperature range of -30 to +60 C
Rugged die-cast aluminum and steel case