ITEM NAME:Car Fm Radio Amplifier Antenna Signal Booster Am 12v Aerial Amp Auto Stereo B7B3 Product Features: 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 / 11.81in . 7. Able to provide high output current, low harmonic distortion and cross, ensure security operation. 8. Improved performance of TDA2002 (pin - to - pin compatibility). 9. Very low external component count. 10. Easy to assemble, save cost and space. 11. Portable, high accuracy. Product Parameters: 1. Material: electronic components, metal, plastic 2. Color: black 3. Product size (L x W x H): about 5.500 x 3.500 x 1.500 cm / 2.165 x 1.378 x 0.591 inches 4. Package size (L x W x H): about 17.500 x 10.000 x 2.000 cm / 6.890 x 3.937 x 0.787 inches Packing List: 1 x Ant - 208 Car Radio Signal Amplifier 1 x 3M sticker.Antenna amplifier item length: about 330mm / 11.81in. Antenna booster. 1 x Ant - 208 Car Radio Signal Amplifier. Work for both AM and FM radio stations. Copper signal wire, strong anti-interference, providing better signal.