Operational Description

FCC ID: NTA2WREP2

Operational Description

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FCCID_2952491

Telematics Wireless Proprietary ALLEGRO REPEATER (2W Repeater) RF Specification FCC ID: NTA2WREP2 IC: 4732A‐2WREP2 January 24, 2016 Rev 1.0 Commercial Confidential Page 1 of 4

Telematics Wireless Proprietary 1. Introduction This document describes the RF specifications of a 2‐Way Repeater. The unit operates in the 450‐470 MHz band and is powered by 12V DC. The Repeater contains a microcontroller that provides the timing, control and data processing. The Repeater is installed on the wall or on the pillar. The unit is connected to an external antenna. 2. Block Diagram T/R switch 32.7 PA 68k Hz LED MSP Trans IF IF Mixer LNA RF ceiver amplifier filter filter EEPR TCXO OM 40MHz Synthes izer Commercial Confidential Page 2 of 4

Telematics Wireless Proprietary 3. Electrical Performance The Repeater is a narrow band radio that complies with FCC Part 90 There are 2 modes of operation  Transmit narrow channel complies Part 90  Receive narrow channel 3.1. Transmit Narrow Channel, complies with Part 90 Narrow Channel Parameter Value Transmit frequency band 450‐470MHz* Channel Separation 6.25kHz Modulation 4GFSK Max Frequency deviation ±1.2kHz Max Data rate 4.8kbps Frequency stability (including initial <1.0 ppm stability, temperature) Peak output power 35.2dBm Harmonics < ‐62dBc Note:*Operation limited to channels defined in 47 CFR §90.261. Commercial Confidential Page 3 of 4

Telematics Wireless Proprietary 3.2. Receiver Receive Parameters Parameter Value Receive frequency Programmable in the range 450‐470MHz Sensitivity (BER 1E‐3) ‐120 dBm Modulation 4GFSK Frequency deviation 1.2 kHz 3.3. Antenna The Repeater is connected to an external antenna. The max antenna gain is 7 dBi 3.4. Power The unit is powered by 12VDC from charged battery or from AC‐DC power supply. Commercial Confidential Page 4 of 4


Document Created: 2016-04-06 15:52:32
Document Modified: 2016-04-06 15:52:32
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