Mobilistics™… 12 volt In-Line Car Stereo Antenna Signal Booster Amplifier. Pushbutton ON/OFF LED indicator light. Uses standard Male / Female Motorola style Antenna connections. Up to 15 db gain AM and 20 db gain FM. Works on all types of aftermarket car stereo, use stereo's electric antenna 12v out or any 12v source. Fully illustrated installation instructions. NOTE: Some Factory OEM stereo radios may require a special antenna adapter set which are available in our store, search antenna adapter set.

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