1. Enhance the radio signal and reduce the noise. 2. Copper signal wire, strong anti-interference, providing better signal. 3. Antenna booster. 4. Thicken the horse mouth metal shielding cover, all-round protection. 5. Work for both AM and FM radio stations. 6. Antenna amplifier item length: about 330mm. 7. Able to provide high output current, low harmonic distortion and cross, ensure security operation. 8. Easy to assemble, save cost and space. 9. Portable, high accuracy. 10.Gain: 12-13dB 11.Noise factor: more than 2 12.Impedance: 75 ohms 13.Power: DC10~15V
