RT91 Power Amplifier for Handheld Transceiver

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 Easily amplify your handheld radio to 20-40W (2-6W Input)

In stock
Now Only $69.59 Regular Price $86.99

Retevis RT91 Amplifier DMR UHF/VHF Digital/Analog Two Way Radio


1, Portable and lightweight

RT91 measures just 139x115x36mm and weighs just 700g making it the perfect companion for field operation without adding a lot of weight.

2, Cleaner Output signal

Harmonic filters on the input allow the amplifier to transmit a cleaner output signal. It will transmits a cleaner, purer signal from your handheld radio

3, Support the Handheld Radio.

Our Amplifier RT91 will also work with any handheld radio that outputs 2W–6W. Please check the frequency range before buying this Amplifier, if your radio with the UHF range, please choose UHF. Otherwise, choose the VHF.

4, Supported Amplification Modes

This Amplifier RT91 operates from 136-174 MHz or 400-480 MHZ, can be used for analog FM, P25 Phase 1, C4FM (System Fusion), NXDN, IDAS, dPMR, and MPT1327 modes.

5, Built In Loud-Speaker

When you connect your handheld radio with the radio control cable; the amplifier will use it's own loud 4W built-in speaker to broadcast the incoming audio.


Frequency range

VHF: 136-174MHz

Power supply

DC 13.8V (±15%)

Input RF power

2-6W (±10%)

Output RF power






Net weight(Only Amplifier)


What's the box?

  • 1xRetevis Amplifier RT91
  • 1xMounting Bracket
  • 1xSMA-Male (Amplifier) to SMA-Female (Radio) Cable
  • 1xRadio Control Cable.
  • 1xSpeaker Microphone
  • 1xMicrophone Hanger
  • 1xUser Guide
  • 1xScrew Set
More Information
Model RT91
Radio type Amplifier
Technological regimes DMR,Digital,Analog
Frequency band UHF and VHF
Frequency range UHF:400-480MHz VHF: 136-174MHz
Memory Channel N/A
RF Power 40W
Operating Temperature N/A
Operating Voltage 13.8 VDC (±15%), 5.5 A maximum
Battery N/A
Size 139x115x36mm
Antenna onnector N/A
Antenna Impedance N/A
Accessory onnector N/A
Features N/A
Other parameters N/A
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Customer Questions
Appears to provide cables for Baofengs? is there a different option for other radios, Like Yaesu?

Dear ED, The control cable of RT91 only support kenwood two pins radio, please confirm your radio is compatible Best regards Retevis Team

Did digital config. works in analaog mode also?

Dear,it also have analog mode.

How long to receive after placed into shipment to the USA?

Dear,if you select logistic style is DHL,it will spend 3-7 days to deliver to you. If the logistic style is EUB,it will spend 7-15 days to deliver to you.

Is there cabling to support the RT82

Dear,do you mean is the programming cable,if yes,here is the link:https://www.retevis.com/usb-programming-cable-for-rt82-dmr-radio Could you please check it if you like? If you like,please purchase it in above link.

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