This is a signal amplifier which can enhance the radio signal and reduce the noise of your car FM radio. Flexible Blink Camea Mount: 360 Degee swivel and 90 Degee tilt, you can adjust you blink outdoo 4 easily to whateve angle you like. Ou blink mount povides boade viewing angle without blind spot left, helps you potect you home inside and out ight Compatibility: The Signal Booster Amplifier is compatible with DAB, FM and AM signals. Signal enhancement: The car antenna amplifier is used to enhance radio signal and reduces audio noise. Best Car Antenna Auto Radio FM/AM Signal Amplifier Booster Strengthen 25db 12V 88-108MHz Signal Amp Enhancer Device For Marine Car Boat Vehicle with lowest... Am Fm Car Radio Antenna Booster DAB+FM/AM Car Radio Antenna Aerial With Amplifier Car Roof Mount 5M Gmrs Antenna It can provide high output current, low harmonic distortion. Hands DIY Universal 12V Car Radio FM AM Antenna Signal Amplifier Booster ANT-208 330mm for Marine Car Boat RV Easy to Use: It is small in size and light weight, easy to install, can also save space. Anti-interference: Pure copper and fine cable with thick aluminum foil shielding, stronger anti-interference. With special no-stripping wire card. Used to enhance the car radio signal and reduce audio noise.