Product information:
-Colour: Black and Red
-Material: Copper, Plastic, Aluminum
-Function: To Amplified FM Signal
-Compatible Vehicle: Universal
-Black Line Length: 24cm
-Red Line Length: 50cm
-Frequency:88 to 108MHz
-Cable Type: 3C2V Standard Cable
-Voltage: 12V
-Mounting: Magnetic
-Impedance: 75Ohm
-V.S.W.R:2.0: 1 Max
-Gain:25 to 30dBi
-Cable Loss:2.5dB per m Max
-Return Loss: 10dB Max
-Connector: FM Universal Adaptor

Contents in Box:
-1 x Car Radio Aerials Signal Amplifier
-1 x 3m Adhesive Tape
-3 x Accesories

More information about product:
-Greatly strength the radio signal and reduce the noise.
-Easy to assemble, saving cost and space.
-Strong anti-interference, providing better signal.
-Able to provide high output current, low harmonic distortion and cross, ensure security operation.

Installation:
-1st Test if car radio is OK.
-2nd Turn power off, detach the decorative frame, pull-out antennas connector, then put the amplifier between the original antenna and radio.
-3rd Red cable connect to DC 12V power cable. use 3M adhesive tape to fix it in car. And then reinstall as it use to be.
-4th Turn cars power on, open the radio and re-search programs, you will have more channel.