RT74 Long Range Single Frequency DMR Radio Solution
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RT74 Long Range Single Frequency DMR Radio Solution

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SKU: A9206A-C9082A-C9123A-A9161AX6-J9161P-C9170A

Regular price $1,799.99 $ 1,583.99

Save frequency resources to the greatest extent, this DMR radio solution set with single frequency repeater, DMR handheld walkie talkie, only use one frequency's two tine slot to achieve the signal transfer to get longer calling distance, was widely used in commercial, hospital, public welfare station, etc.

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Retevis Long Range Single Frequency DMR Radio Solution

Single Frequency Repeater, Long Range DMR Radio Solutions include single frequency DMR repeater and handheld DMR walkie talkie, use one frequency's two tine slot to achieve the signal transfer to get longer calling distance, was widely used in commercial, hospital, public welfare station, etc.

Single Frequency DMR Radio Solution Features:

Single-frequency DMR Radio Solution

This radio solution set include retevis rt74 single frequency repeater, retevis rt54 DMR walkie talkie, can use only one frequency's two-time slot to transfer signals, It is very 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. This radio solution can save frequency resources for enterprises and institutions, and maximize the use of channel resources.

Complete DMR Radio Solution

This DMR radio solution include repeater, handheld DMR radio, antenna, feeder cable, it is a complete radio solution, you can install it directly, no need to match other accessories.

High quality DMR Radio solution set

This DMR radio solution set with high sound quality, teh handheld DMR radio with detachable speaker, support disassembly, easy to clean the speaker of the walkie-talkie, keep the speaker clean, and maintain the high-quality call effect. This High quality DMR Radio solution set is especially used in the construction, wood industry, mining, etc.

Long Range DMR Radio solution set

The Retevis RT74 single frequency repeater is 20W output power, the Retevis RT54 handheld DMR radio is 5W  walkie talkie, the total DMR radio solution can help you get longer calling distance for your business.

Package Include:

1 x Retevis RT74 Single frequency repeater

6 x Retevis RT54 DMR walkie talkie

1 x 15m feeder cable

1 x MA02 Antenna

1x program cable for Retevis RT54 DMR radio

1 x Program cable for Retevis RT74 repeater

Retevis RT74 Single Frequency Repeater:


1. Portable design, fast deployment
2. DMR TDMA protocol
3. Zone selected, Single frequency transfer, Multiple call method options, and SMS Function
4. No need duplexer
5. 2.0-inch color IPS full-view LCD large screen display, soft keyboard operation
6. Digital processed voice, clear and loud


1. Output power:20W/10W
2. Up to 100 zones with 32 channels per zone
3. Input voltage:AC110~240V; Output voltage:DC12V±15%
4. Size:280*240*56mm
5. Weight:3.2kg

Retevis RT54 DMR Radio technological specification

Frequency range UHF:400-470MHz
Channel Capacity 16CH
Channel Spacing 12.5KHz
Operating Temperature -25℃~+60℃
Operating Voltage DC 7.4V
Antenna Impedance 50Ω
Microphone Impedance 2.2KΩ
Battery Li-ion DC7.4V 1600mAh
Dimension 135×53×33mm ( no including antenna)
Weight 316g


Output power High:5W Low:1W
FM modulation 25/16K¢F3E 12.5K/8K¢F3E
4FSK digital modulation 12.5KHz for data:7K60FXD 12.5KHz for  data and voice :7K60FXE
Vocoder type AMBE++or SELP
Digital Protocol ETSI-TS102 361-1,-2,
Harmonic ≥70dB
Signal-to-noise Radio(wide/narrow) 25K≤-45 dB  12.5≤-40 dB
Rated audio Distortion ≥5%
Frequency Stability ±2.5ppm
Max Frequency Stability 12.5K≤-40dB


Sensitivity (12dB SINAD) Analog 25K≤-121dB  12.5K≤-119dB
Digital 0.3μV/BER5%
Signal-to-noise Radio 25K≥45 dB    12.5K≥40dB
Adjacent channel selectivity 25K≥65 dB   12.5K≥60dB
Intermediation (Wide/ narrow) 25K≥60 dB    12.5K≥55dB
Spurious Response Rejection ≥65 dB
Audio power 1W
Audio distortion <5%
Frequency Stability ±2.5ppm
Battery life under 5-5-90duty 14.8 hours(with 1600mAh Li-ion battery)
20.9 hours(with 1600mAh Li-ion battery)

MA02 High Gain Glass Steel Omni-Directional Antenna:

Frequency 144/430MHz
VSWR <1.5
Impedance 50Ω
Gain 4.5/7.2Bi
Polarization Vertical
Maximum power input 200W
Horizontal beam width 360°
Vertical beam width 30°/ 19°
Connector SL16-K
Radome material fiberglass
Material of hardware-supplied aluminum alloy
Hold pole diameter Φ30-Φ62 mm
Suitable for models Retevis RT97/RT9550/RT92
Weight 1150g

Pure Cupper Low Loss Coaxial Extend Cable:


  1. It is extendable that boosts the signal of your repeater significantly
  2. Super Gainer Low Loss Coaxial Cable
  3. Suitable for Retevis RT97 repeater
  4. Material: pure copper
  5. Impedance: 50Ω
  6. Return loss: VHF≥20dB UHF≥15dB
  7. Connector plug: SL16
  8. Cable diameter: 5mm / 0.2inch
  9. Cable Length: 15 meter
  10. Weight: 660g

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