ITEM NAME:Car 12V AM FM Radio Antenna Signal Booster Amp Amplifier Controller Durable Description: - Car Radio Antenna Signal Amplifier Booster. - Compatible with ALL AM+FM stations - Enhance the radio signal and reduce the noise. - Copper signal wire, strong anti-interference, providing better signal. - This cable is used for boosting the signal. If there is no signal at all, it will not work. Specification: - Voltage: 12V - Material: Plastic Package Included: 1 Set Radio Signal Booster.Car Radio Antenna Signal Amplifier Booster. 1 Set Radio Signal Booster. - Copper signal wire, strong anti-interference, providing better signal. - Compatible with ALL AM+FM stations. - Enhance the radio signal and reduce the noise.