4K HD Digital TV Antenna Amplifier | High-Gain Signal Booster
4K HD Digital TV Antenna Amplifier | High-Gain Signal Booster
Boost Your TV Signal with the 4K HD Digital Antenna Amplifier
Cut the cord and enjoy crystal-clear free-to-air television with this compact yet powerful antenna signal amplifier. Designed for use with digital TV antennas, this low-noise, high-gain booster strengthens weak broadcast signals so you can enjoy sharp 4K and HD picture quality without interruption. With a 25dB LNA gain and a receiving range of up to 200 miles, it's ideal for homes in suburban or rural areas where signal strength can vary.
Compatible with a wide range of digital TV standards — including HDTV, DTMB, ATSC, DVB-T, DMB-T, and ISDB-T — this amplifier works with virtually any digital antenna setup. It's simple to install: just connect it inline between your antenna cable and TV, power it via the USB port, and enjoy instantly improved reception.
Made in Mainland China.
Key Features
- High Gain: 25dB LNA gain for strong, reliable signal capture
- Wide Receiving Range: Up to 200 miles coverage
- Dual-Band Support: VHF (172–240 MHz) & UHF (470–860 MHz)
- Universal Compatibility: HDTV, DTMB, ATSC, DVB-T, DMB-T, ISDB-T and more
- Low Noise Design: Minimizes interference for cleaner picture and sound
- USB Powered: Convenient 5V USB power interface, 20mA current draw
- F-Male Connector: Standard 75Ω impedance for easy inline installation
- Wide Operating Temperature: Reliable from -45°C to 85°C
- Compact & Lightweight: Unobtrusive design fits neatly behind your TV
Full Specifications
| Working Frequency | VHF: 172–240 MHz | UHF: 470–860 MHz |
| Standing Wave Ratio | ≤ 1.5 |
| Impedance | 75 Ω |
| LNA Gain | 25 dB |
| Receiving Range | Up to 200 miles |
| Cable | 1.5C-2V Black, L=0.5M |
| Connector | F Male |
| Polarization | Linear |
| Voltage | 5V DC |
| Power Interface | USB |
| Current Consumption | 20 mA |
| Operating Temperature | -45°C to 85°C |
| Signal Support | HDTV, DTMB, ATSC, DVB-T, DMB-T, ISDB-T |
What's in the Box
- 1 × Antenna Amplifier Signal Booster
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Frequently Asked Questions
Q: What TV standards does this digital antenna amplifier support?
A: This antenna signal booster is compatible with a wide range of digital broadcasting standards, including HDTV, DTMB, ATSC, DVB-T, DMB-T, and ISDB-T. This makes it suitable for use in many countries and with most modern digital TV setups.
Q: How do I power the antenna amplifier?
A: The amplifier is powered via a standard USB port at 5V DC, drawing only 20mA. You can plug it into your TV's USB port, a USB wall adapter, or any compatible USB power source — no dedicated power supply needed.
Q: Will this booster work with my existing coaxial TV antenna setup?
A: Yes. The amplifier uses a standard F-Male connector with 75Ω impedance, which is compatible with most coaxial digital TV antenna systems. Simply connect it inline between your antenna cable and TV or set-top box for improved signal strength.