Updated Review 10/4/19
Ok so tested the replacement amp today. And it was cranking 37 watts hooked up to a UV-5R radio. Now this is acceptable vs the first one. You have to check these radios and Amos when you get them. I have had 4 units of different models this year that were all bad. Two BF-8HPs, one of these Amos and one of the 50x2 mobiles.
Original Review:
What a piece of junk.
Hooked up a UV-5R outputting just shy of 4 watts and 1.1 SWR on the output of the amplifier I was only getting 25.7 watts and 1.08 SWR.. excellent SWR poor power.
Hooked up a 6watt radio and it only output 20.6 watts... Yes it went DOWN at higher power. Again great SWR of 1.06. that's 50% of the advertised performance.. I would expect about 36watts being the minimum this would output at 6watts in.
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From the manufacturer
AMP-V25 Amplifier
Easily amplify your handheld radio to 20-40W (2-6W Input). The AMP‑V25 is a time-saving (and cost saving) alternative to mobile and base radios that simply duplicate the same programming your handheld radio already has.
Supported Radios
The AMP‑V25 will also work with any handheld radio that outputs 2W–6W with the appropriate connecting RF cable. The AMP‑V25 includes the SMA Female connecting cable to hook right up to BTECH and BaoFeng radios right out of the box.
Lightweight Amplifier
Easily install in a home or mobile environment; the AMP‑V25 measures just 5.5" x 4.5" x 1.4" and weighs just 1.8lb making it the perfect companion for field operation without adding a lot of weight.
Cleaner Output Signal
Harmonic filters on the input allow the amplifier to transmit a cleaner output signal. The amplifier is so well engineered that in most circumstances it transmits a cleaner, purer signal then it receives from your handheld radio
Protection Circuitry
The AMP-V25 includes voltage spike suppression, over-temperature protection, RF sensing, and automatic power control (APC) to protect it under adverse operating conditions.
AMP‑V25 - VHF Amplifier
What is it?
The BTECH AMP-U25 amplifier is a portable, lightweight, wide coverage RF power amplifier for handheld radio equipment and is equally capable of amplifying both analog and digital signals.
Pair with the UT-72 Antenna for easy installation to your vehicle, or connect to another UHF base, mobile, or field antenna.
Supported Amplification Modes
The AMP-V25 operates from 136-174 MHz and can be used for analog FM, P25 Phase 1, C4FM (System Fusion), NXDN, IDAS, dPMR, and MPT1327 modes.
The AMP‑V25 supports out-of-band transmitting, while the amplifier is turned off. When transmitting out-of-band the amplifier will pass-through the signal without amplification
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.
AMP-U25 Components
- AMP-V25
- Mounting Bracket
- SMA-Male (Amplifier) to SMA-Female (Radio) Cable
- Radio Control Cable (BTECH Standard (K1))
- Speaker Microphone
- Microphone Hanger
- User Guide
- Screw Set
Three Primary Modes of Amplification
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Radio ControlledConnect to the antenna output of the handheld transceiver to the RF-IN connector on the rear panel of the amplifier with the Radio to Amplifier RF cable. Transmit and receive right on the Handheld radio - while your output signal is amplified. |
Accessory ControlledConnect a speaker microphone, headset, or compatible accessory to the radio. Transmit and receive right on the accessory connected to the Handheld radio - while your output signal is amplified. |
Amplifier ControlledConnect the speaker microphone to the MIC jack on the front panel of the amplifier. Connect to the antenna output of the handheld transceiver to the RF IN connector on the rear panel of the amplifier with the Radio toAmplifier RF cable. Connect the accessory port of your radio to the Control jack on the front panel of the amplifier using the Amplifier Control Cable. Transmit and receive using the speaker microphone on the amplifier while incoming audio is relayed through the loud amplifier speaker. |
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| AMP-V25 | AMP-U25 | AMP-220 | AMP-V25D | AMP-U25D | |
| Amplified Frequency Range | 136 – 174 MHz | 400 – 480 MHz | 220 - 225 MHz | 136 – 174 MHz | 400 – 480 MHz |
| Input RF power | 2 - 6W (±10%) | 2 - 6W (±10%) | 2 - 6W (±10%) | 2 - 6W (±10%) | 2 - 6W (±10%) |
| Output RF power (Based on Input Power) | 20 - 40W | 20 - 40W | 30 - 50W | 20 - 40W | 20 - 40W |
| Analog FM, P25 Phase 1, C4FM (System Fusion), D-Star, NXDN, IDAS, dPMR, and MPT1327 modes | ✓ | ✓ | ✓ | ✓ | ✓ |
| DMR and P25 Phase 2 modes | ✓ | ✓ | |||
| Out-of-Band Transmit (Pass-through the HT's power to the external antenna while amp is powered off) | ✓ | ✓ | ✓ | ||
| External Antenna Connector | SO-239 | SO-239 | SO-239 | SO-239 | SO-239 |
Compare with similar items
 | BAOFENG BF-F8HP (UV-5R 3rd Gen) 8-Watt Dual Band Two-Way Radio (136-174MHz VHF & 400-520MHz UHF) Includes Full Kit with Large Battery | BTECH QHM22 Platinum Series IP54 Rainproof Shoulder Speaker Mic for BaoFeng, BTECH, Kenwood Radios | Cobra HHRT50 Road Trip Cb Radio - Emergency Radio, Travel Essentials, 2-Way Handheld Black Radio with Rooftop Magnet Mount Antenna, NOAA Channels, Dual Watch & 40 Channel Access | Icom IC-2730A Dual Band VHF/UHF 50W Mobile Radio | |
|---|---|---|---|---|---|
| Customer Rating | (248) | (10983) | (3624) | (2577) | (94) |
| Price | $137.89 | $59.40 | $24.89 | $99.95 | $335.56 |
| Sold By | BaoFeng Tech | BaoFeng Tech | BaoFeng Tech | Amazon.com | Consumers Outlet |
| Color | Black | Black | — | Black | — |
| Item Dimensions | 5.5 x 4.5 x 1.4 inches | 10.5 x 2 x 2 inches | 5 x 3 x 2 inches | 6.3 x 2 x 1.75 inches | 5.9 x 5.9 x 1.6 inches |
| Style | AMP-V25 Analog | Single | — | HHRT50 | — |
Customer Questions & Answers
Customer reviews
Top reviews from the United States
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Reviewed in the United States on September 20, 2019
Ok so tested the replacement amp today. And it was cranking 37 watts hooked up to a UV-5R radio. Now this is acceptable vs the first one. You have to check these radios and Amos when you get them. I have had 4 units of different models this year that were all bad. Two BF-8HPs, one of these Amos and one of the 50x2 mobiles.
Original Review:
What a piece of junk.
Hooked up a UV-5R outputting just shy of 4 watts and 1.1 SWR on the output of the amplifier I was only getting 25.7 watts and 1.08 SWR.. excellent SWR poor power.
Hooked up a 6watt radio and it only output 20.6 watts... Yes it went DOWN at higher power. Again great SWR of 1.06. that's 50% of the advertised performance.. I would expect about 36watts being the minimum this would output at 6watts in.
Verified Purchase
No where near advertised power.
By USMCSurvivalist85 on September 20, 2019
Updated Review 10/4/19By USMCSurvivalist85 on September 20, 2019
Ok so tested the replacement amp today. And it was cranking 37 watts hooked up to a UV-5R radio. Now this is acceptable vs the first one. You have to check these radios and Amos when you get them. I have had 4 units of different models this year that were all bad. Two BF-8HPs, one of these Amos and one of the 50x2 mobiles.
Original Review:
What a piece of junk.
Hooked up a UV-5R outputting just shy of 4 watts and 1.1 SWR on the output of the amplifier I was only getting 25.7 watts and 1.08 SWR.. excellent SWR poor power.
Hooked up a 6watt radio and it only output 20.6 watts... Yes it went DOWN at higher power. Again great SWR of 1.06. that's 50% of the advertised performance.. I would expect about 36watts being the minimum this would output at 6watts in.
Images in this review
Reviewed in the United States on July 9, 2018
Style: AMP-V25 AnalogSize: VHF (136-174MHz)Verified Purchase
Reviewed in the United States on April 24, 2020
Style: AMP-V25 AnalogSize: VHF (136-174MHz)Verified Purchase
Reviewed in the United States on October 10, 2018
Style: AMP-V25 AnalogSize: VHF (136-174MHz)Verified Purchase
Reviewed in the United States on August 20, 2021
Style: AMP-U25D Analog & DigitalSize: UHF (400-480MHz)Verified Purchase
Reviewed in the United States on October 7, 2019
Style: AMP-V25D Analog & DigitalSize: VHF (136-174MHz)Verified Purchase
Reviewed in the United States on June 24, 2018
Style: AMP-220 AnalogSize: 1.25M (220-225MHz)Verified Purchase
Top reviews from other countries
Amazon Customer
Wow great and powerful
Reviewed in Canada on September 29, 2021Style: AMP-V25 AnalogSize: VHF (136-174MHz)Verified Purchase
David Camden
excellent amplifier
Reviewed in Canada on July 27, 2020Verified Purchase
