User's Manual

Table Of Contents

14 TWACS

-ORION

for UMT Products User Guide

System Overview

Specifications:

Hand Held Transceiver - 3 (HHTR-3)

The DCSI Hand Held Transceiver - (HHTR-3) is used to configure and setup the

EMTR-3 (installed in the electric meter). The HHTR-3 is used to establish the

communication link between the EMTR-3 and the ORION

transmitter and can be

used to test the radio link.

Table 2.1

ORION transmitter specifications

ORION

Specification Description

Power 3.6 VDC embedded battery

Functional Life Expectancy Minimum: 10 years

Expected: 15 years

Frequency 916.450 MHz

Data Communications Burst mode fixed length

packet, simplex

Data Format 3-of-6

Data Rate 100 Kbps + 1 Kbps

Data Encryption None

Modulation Frequency Shift Keying (FSK)

Packet Encoding Non Return to Zero (NRZ)

Channels Single channel (43A)

Range 400 ft. clear line of sight -

affected by installation and

conditions; less if pit installed