RT74 Single Frequency DMR Repeater
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RT74 Single Frequency DMR Repeater

In Stock Unavailable
SKU: A9206A

Regular price $1,099.99

Use two different time slots of a Frequency to transfer signals, saving frequency and channel resources, Suit for Motorola, Hytera, Kenwood DMR radios, and Retevis RT54(Only).

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Retevis RT74 Single Frequency DMR Repeater

DMR Digital Direct Mode (TX = RX same Frequency) Repeater, Retevis RT74 single Frequency Repeater with 20w high power, it use one frequency's two time slot to achieve the signal transfer to get longer calling distance, different from the traditional relays that need to use high transmission and low reception, or low transmission and high reception, and the transmission and reception frequencies must have a frequency difference. Retevis RT74 single Frequency Repeater can help you save frequency resources, make your walkie talkie get longer calling distance.

Retevis RT74 DMR Repeater Features:

Lightweight, ultra-portable design, can be deployed quickly.

DMR system supports TDMA.

No need duplexer

Support single frequency repeater mode (repeater function can be realized by using one frequency)

Power 20W/10W adjustable.

No duplexer is required.

Strong anti-interference ability, support encryption.

2.0'' HD color LCD large screen display, IPS full-view, soft keyboard operation

1600 channels and 100 zones supported.

Support Private call and group call.

Zone selected, Single frequency transfer, Multiple call method options, and SMS Function

Digital processed voice, clear and loud.

Note: Retevis RT74 single frequency suit for Motorola, Hytera, Kenwood DMR radios, and Retevis RT54(For now).

Retevis RT74 DMR repeater plus hand microphone can be used as a base station, if you need hand microphone, please contact us.

Package Include:

1 x Retevis RT74 Single frequency repeater
1 x AC power supply cable
1 x Wall panel
1 x Screws
1 x Fuse
1 x User manual

General
Product number RT74
Frequency range UHF:400-470Mhz
Channel number 1600
Zone 100
Channel spacing 12.5Khz/25Khz
working voltage  DC 13.8V(±20%), AC 100-240V;
The antenna impedance 50Ω
Overall dimensions 282 L* 241 W*56 H mm
frequency stability ±0.5 ppm
Weight ≥3.2 Kg
Transmitter
Rf power High:20W, Low:10W
4FSK modulation system Only data: 8K50F3E,Voice and data:7K60FXE; 
FM Modulation 12.5Khz:8K50F3E; 25kHz:16KOF3E;
Modulation Limiting ±2.5Khz @ 12.5Khz;±5.0Khz,@25Khz
FM dB -40dB @12.5khz, -45dB @25khz
Emission spurious -36dBm ≤1Ghz/-30 dBm ≥1Ghz
Adjacent-channel Power -60dB/12.5Khz -70dB /25Khz
Frequency Response +1/ -3dB
Audio Distortion 3%
Digital encoder AMBE
RECEIVER
Analogue sensitivity  0.225μV (12dB SINAD)
Digital sensitivity (5% BER) 0.225μV
Inter modulation 65dB
Adjacent channel selectivity 60dB@12.5kHz / 70dB@25kHz
Spurious rejection 70 dB
FM hum &noise -40dB@12.5kHz / -45dB@25kHz
Audio response +1~-3dB
Rated audio output power 3W (loudspeaker)
Audio distortion 3% (typical)
Conduction stray -57dBm

Retevis RT74 Brochure

Retevis RT74 Driver

Retevis RT74 English Manual

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