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The B-Tech AMP-U25 is a compact, high-performance amplifier designed to boost handheld radio output from 2-6W up to 20-40W within the 400-480 MHz UHF band. Compatible with major radio brands and modes (analog & digital), it includes all necessary accessories for quick installation. Featuring harmonic filters, protection circuitry, and a built-in speaker, this USA-engineered amplifier is ideal for mobile, field, and home use, delivering extended range and crystal-clear communication.
| ASIN | B07BD3Z1ZK |
| Brand Name | B-Tech |
| Customer Reviews | 4.3 out of 5 stars 301 Reviews |
| Included Components | 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 |
| Item Dimensions | 14 x 11.4 x 3.6 centimeters |
| Item Weight | 1.8 Pounds |
| Item dimensions L x W x H | 14 x 11.4 x 3.6 centimeters |
| Manufacturer | BTECH |
| Material Type | Metal |
| Maximum Output Power | 40 watts |
| Maximum Supply Voltage | 14.04 Volts (DC) |
| Maximum supply voltage | 14.04 Volts (DC) |
| Minimum Supply Voltage | 13.8 Volts |
| Minimum supply voltage | 13.8 Volts |
| Model | AMP-U25 |
| Mounting Type | Surface Mount |
| Mounting type | Surface Mount |
| Number of Channels | 1 |
| Output Power | 40 Watts |
| Package Type Name | box |
| Part Number | AMP-U25 |
| Specification Met | FCC |
| Supply Current | 5.5 Amps |
| UPC | 722589228902 |
| Unit Count | 1 Count |
| Voltage | 13.8 Volts |
S**.
Great addition for amateur radio hobbyists
Haven’t had a chance to test the power output yet, but I bought all three bands. Thanks BTECH! Keeping the bands separate allows for frontend and backend filtering to be unique for each band, as an engineer I really appreciate this aspect. I will post again photo once I have the triplexer bandpass filtering attached to the backend of a stack of all three of these, this will allow UV 5 and the like with poor filtering to latch onto signals with higher gain from base station antennas (selectivity/rejection), and actually benefit from better antennas, with a much smaller amount of attenuation on the front to keep them from becoming overwhelmed lol. Note: all radios exhibit this to some degree and can benefit from additional filtering, even superhet frontend radios. **UPDATE all amplifiers tested fine for power, from 20/25w VHF (my radios have lower power there most do) to 70w on 444mhz UHF!. Anyone having issues and or blowing these is probably unlicensed because if you were you would know SWR being too high will do that to any gear, it’s pretty low for these (1.5 max in the manual) just test antennas and be careful the UT-72 Nagoya they recommend is 1.1 on UHF but 2.2 on VHF, so WILL damage the AMP V25. I will post again if I check these bad boys for spectral purity.
B**N
Works great
Works great
G**0
Nice little amplifier
The BTECH AMP-V25 amplifier is working exceptionally well. It's just what I needed for those times that call for a little "umph".
D**N
excellent amplifier
This has helped me greatly when used with a gmrs application. Has extended my range to 20-30 miles. Very good product.
K**R
Works great so far.
I bought this for use with my Baofeng radios I use for my Public Safety response job. The amplifier is easy to use and according to my agency it seems to sound better and stronger signal than our expensive patrol car radios. I would suggest mounting it to make it easier to use. I just toss it on my seat the seat of my jeep and go. The only issue is that the microphone plus seems to be quite flimsy but it hasn't fallen apart yet.
Trustpilot
4 days ago
1 week ago