Frequency Coverage: 50-138 MHz, supporting global FM standards (88-108 MHz and extended AIR band)

Gain: Adjustable from 0 to 30 dB with fine-tuning rotary knob

Noise Level: Low-noise amplification for optimal signal integrity

Power Supply: Internal rechargeable lithium battery (Type-C 5V charging) or external 9-12V DC (5.5 x 2.1mm, center positive)

Interface: SMA female connectors (Left: ANT for antenna, Right: RADIO for receiver)

Note: This amplifier is suitable for areas with weak FM signals or certain frequencies with very weak signals!

1. Versatile Frequency Support: Covers standard FM frequencies (88-108 MHz) with extended range capability (50-138 MHz) for international compatibility.

2. Advanced Filtering: Equipped with high-quality Murata, TDKs, and Samsungs components paired with dual-stage shielding to reduce interference.

3. Flexible Power Options: Supports dual power modes—built-in rechargeable battery or external DC power—for portability and extended use.

4. Optimized for Passive Antennas: Enhances signals from various FM antenna types such as Yagi and Dipole for better reception.

5. The power supply filter consists of solid-state capacitors and NPO-grade MLCCs, supporting external 9-12V power supply. It also has a built-in high-capacity lithium battery for rechargeable use!6. Gain: 30dB, with a knob for continuous adjustment from 0-30dB, providing low-noise amplification.7. Power Supply: Built-in battery powered, Type-C 5V charging, or external 9-12V power supply. The interface is 5.5mm x 2.1mm, positive inside and negative outside, offering two convenient power supply options.8. Rear panel: SMA female connector. The left side is for the ANT antenna, and the right side is for the RADIO receiver.9. The amplifier's functionality is guaranteed. The specific range and frequency reception depend on the local electromagnetic environment, the broadcast station's transmission angle and power, the receiving antenna, and the receiving equipment.10. Packaging Weight: 265 grams Packaging Dimensions: 12x12x6cm Packaging Method: Cardboard Box

1 x FM Signal Amplifier