Window adapter.
Recommended when running the cable through window and door frames. It allows in a very easy and non-invasive way (without the need to drill holes in the frames) to introduce an antenna cable into the rooms. The window grommet is used both for fixed and temporary antenna connections. Product features:-ultra flat under-window cable,-only 6 dB of attenuation,-simple installation of the cable in the window frame, in the door frame, without drilling,-length: 20cm,- plug: 4cm,-connector 2 x type F.