The special feature of the Kathrein ESC30 is that the 3 terminals are decoupled not just a normal distribution (which would mean for each port good 5-6 dB attenuation), but over a frequency-dependent decoupling that the frequencies of TV / DVB-T , satellite and FM are separated and the associated terminals. The big advantage is therefore particularly in the low attenuation of the can with 1-2dB what especially with long cable lengths and / or poor reception can be advantageous. For me it clearly improves the reception of very distant DVB-T transmitter in the Rhine-Main area in relation to the Hirschmann doses originally installed by an electrician who is not frequency selective separately The box also makes otherwise a high-quality impression and can be wired well. Want to have a clear recommendation for all that DVB-T and SAT on a can.