With this DAB+ antenna splitter/Adapter, you have the option to use their normal rod antenna as a DAB antenna. Thanks to the design, this adapter is a convenient option for a fast conversion!This saves you the installation of a separate DAB roof or window antenna. You only have to standard antenna plug into the adapter socket put it splits the adapter the antenna signal via a high-quality solid separation point in the areas of FM/DAB. The power supply of the integrated amplifier is powered via the DAB plug of the radio! (Please place, if in the setup of your radio equipped, "DAB ANT POWER" to "ON"! The prerequisite for proper operation is an antenna rod length of 30-100 cm. Not compatible disc antennae, bumper antennas and antenna with integrated amplifier. You can see an active antenna to the antenna line is cut of remote power adapter.This text is machine translated.