BTECH AMP-U25D Amplifier (Supports DMR) UHF (400-480MHz), 20-40W Output (2-6W Input), Analog and Digital Modes, Compatible with All Handheld Radios: BTECH, BaoFeng, Kenwood, Yaesu, ICOM, Motorola
- Easily extend the communication range of your handheld radio; Use the AMP‑U25D to create: an affordable DMR mobile radio with a vehicle mounted antenna, a high power field radio with a field deployed antenna, a home/base radio attached to a mast. Your handheld radio connects in seconds and can just as easily disconnect and be taken on the go.
- Kit Includes the necessary cables and interface connectors to easily connect to BTECH and BaoFeng Radios.
- Recommended Accessory: Pair with the BTECH UT-72 Antenna or NMO-72 Antenna & compatible mount for an easy mobile or field deployed solution.
- What's Included: Amp Body, Mobile Mounting Bracket & Screw set, Radio to Amplifier Antenna Cable (SMA Female to SMA Male), Control Cable (K1 to K1), User Manual, Speaker Microphone & Hanger
- BaoFeng Tech is the only authorized BaoFeng & BTECH Distributor to honor the Manufacturer Warranty. Only BaoFeng Tech offers warranty claims without shipping anything to China. You must insure that BaoFeng Tech is your selected buying option when buying to be able to have the full USA warranty.
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From the manufacturer
Easily amplify your handheld radio to 20-40W (2-6W Input). The AMP‑U25D is a time-saving (and cost saving) alternative to mobile and base radios that simply duplicate the same programming your handheld radio already has.
The AMP‑U25D will also work with any handheld radio that outputs 2W–6W with the appropriate connecting RF cable. The AMP‑U25D includes the SMA Female connecting cable to hook right up to BTECH and BaoFeng radios right out of the box.
Easily install in a home or mobile environment; the AMP‑U25D 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.
The AMP-U25D includes voltage spike suppression, over-temperature protection, RF sensing, and automatic power control (APC) to protect it under adverse operating conditions.
AMP‑U25D - UHF (+DMR) 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-U25 operates from 400-480 MHz and can be used for analog FM, P25 Phase 1, C4FM (System Fusion), NXDN, IDAS, dPMR, and MPT1327 modes.
The AMP‑U25 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.
- 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
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.
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.
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.
|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|
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|Shipping||FREE Shipping. Details||FREE Shipping. Details||FREE Shipping on your first order. Details||FREE Shipping. Details|
|Sold By||BaoFeng Tech||BaoFeng Tech||Sincrel||BaoFeng Tech|
|Item Dimensions||5.50 x 4.50 x 1.40 inches||10.50 x 2.00 x 2.00 inches||8.00 x 4.00 x 5.00 inches||2.50 x 8.10 x 7.00 inches|
|Style||AMP-U25D Analog & Digital||Single||Two Way Radio||UV-82HP|
◦ AMP-U25D : 400 – 480 MHz
Power supply: 13.8 VDC (±15%), 5.5 A maximum
Input RF power: 2 - 6W (±10%)
Output RF power: 20 - 40W
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.
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edit so returned the first unit for a very fast refund from amazon and reordered from btech directly and the transaction went great unit arrived very fast and was the correct model have really tested it hard and it has done great so far wouldn't hesitate to order again from btech