new 12v car radio antenna fm/am radio signal amplifier booster car antenna aerials 80-108mhz for marine boat auto

interface: round interface, please confirm whether they are consistent with your car interface applies to: automotive and other fm signal reception, increase the reception distance, enhanced sensitivity of weak signals. high output current, low harmonic distortion and cross, ensure you can operation safely. easy to assemble and to use, saving cost.enhancing your signals and it is fit for your cars a lot. pls timely contact us if you have any doubt or question before or after placing your order,we will be very pleased to reply to you within 24 hours.syi