【Product Type】: 34.5cm Car Radio DAB Antenna Extension Cable This active adapter/splitter allows you to receive DAB digital radio signals using a standard non-amplified AM/FM antenna. So you can keep your existing antenna and install an aftermarket DAB radio without the need for an additional antenna. 【Economical and Practical】: Car Radio Antenna Adapter Universal FM AM Stereo Antenna Extension Cable Signal Booster for Car Stereo Headunit Receiver, Antenna Amplifier Power Cable, Improve radio signal, Reduce noise. Easy to assemble, save space and money. 【Usage Tips】: For better signal reception, please check that the device you are connecting to can be powered. This DAB antenna distributor has a gain function In order to avoid poor signal reception, it is recommended to connect an antenna without gain function. 【Simple Installation】: The package includes 1 piece of car radio antenna (DAB DAB+ AM/FM Tuner Car Radio Digital Radio Antenna), quick and easy to install, saves time and money