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.Colour:As shownMaterial:plasticPackage Contents:1 * Ant - 208 Car Radio Signal Amplifier1 * stickerDue to different batches, the appearance of the product may be different, but the function is the sameOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.