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AMP-220 Amplifier

` BTECH AMP-220 Amplifier for 1.25M (220-225MHz), 30-50W Output (2-6W Input), Analog and Digital Modes, Compatible with all Handheld Radios: BTECH, BaoFeng, Kenwood, Yaesu, ICOM, Motorola


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Description


Supported Radios

Supported Radios

The AMP- 220 will also work with any handheld radio that outputs 2W–6W with the appropriate connecting RF cable. The AMP‑220 includes the SMA Female connecting cable to hook right up to BTECH and BaoFeng radios right out of the box.

Lightweight Amplifier

Lightweight Amplifier

Easily install in a home or mobile environment; the AMP‑220 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

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 signal then it receives from your handheld radio.

Protection Circuitry

Protection Circuitry

The AMP-220 includes voltage spike suppression, over-temperature protection, RF sensing, and automatic power control (APC) to protect it under adverse operating conditions.


What is it?

The BTECH AMP-220 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 Nagoya TB-320A Antenna (and compatible mount) for easy installation to your vehicle, or connect to another VHF base, mobile, or field antenna.

Supported Amplification Modes :

The AMP-220 operates from 220-225 MHz and can be used for analog FM, D-Star, P25 Phase 1, C4FM (System Fusion), NXDN, IDAS, dPMR, and MPT1327 modes.

The AMP-220 supports out-of-band transmitting, while the amplifier is turned off, allowing you to quickly transmit on a UHF signal without disconnecting your radio - but simply turning it 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.

What is in This Box ?

  • AMP-220
  • Mounting Bracket
  • SMA-Male (Amplifier) to SMA-Female (Radio) Cable
  • Radio Control Cable (BTECH Standard (K1))
  • Speaker Microphone
  • Microphone Hanger
  • User Guide
  • Screw Set

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Three Primary Modes of Amplification


Radio Controlled Model

Radio Controlled

Connect 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 Controlled

Accessory Controlled

Connect 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. Connect 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 Controlled

Amplifier Controlled

Connect 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.

Features AMP-V25 AMP-U25 AMP-220 AMP-V25D AMP-U25D
Image Amplifier Image Amplifier Image Amplifier Image Amplifier Image Amplifier Image
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 20 - 40W 20 - 40W 30 - 50W 20 - 40W 20 - 40W
Analog FM, P25 Phase 1, C4FM (System Fusion), 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

Product Description


Technical Details:

  • Item Weight : 1.8 pounds
  • Product Dimensions : 5.5 x 4.5 x 1.4 inches
  • Item model number : AMP-220
  • AMP-220 : 220 – 225 MHz
  • Power supply: 13.8 VDC (±15%), 5.5 A maximum
  • Input RF power: 2 - 6W (±10%)
  • Output RF power: 30 - 50W
  • Size: 5.5-in D x 4.5-in. W x 1.4-in. H (40 mm D x 115 mm W x 36 mm H)
  • Net weight: 1.8 lbs. (800 g)

The BTECH AMP-25 Series is designed to work with any BaoFeng or BTECH handheld transceivers, but it will also work with any handheld radio that outputs 2 W – 6 W with the appropriate cable. With the included Radio to Amplifier RF Cable, the amplifier will also work with Wouxun transceivers, some TYT transceivers, and some Kenwood transceivers. If the supplied cables do not connect to your radio, you will need to use adaptors or build cables with the appropriate connectors.


Your BTECH AMP-25 amplifier does not include an antenna. It is very important to not transmit without an antenna or dummy load connected to the ANT connector on the rear panel of the amplifier.


Transmitting without an antenna or dummy load may cause harm to the radio equipment.


When choosing an antenna, make sure that it is suitable for the bands you plan on transmitting and receiving on. For example, if you plan on transmitting on 145MHz, make sure that the antenna you select has an SWR of 1.5:1 or less on that frequency. Using an antenna with an SWR greater than 1.5:1 could damage the amplifier.


If you plan to use a magnetically-mounted (mag-mount) antennas, ensure that the antenna is grounded to a metal surface, such as a vehicle body. Magnetically-mounted antennas do not operate properly without a good ground.