Device for processing high-frequency signals, - wherein the device has a UHF input and an output and at least a first filter, - wherein the device is configured in such a way that an input signal passes through a UHF filter connected downstream of the UHF input, which filter generates a filtered input signal and is configured in such a way as to filter signals in a frequency range consisting of a first frequency range and a second frequency range, - wherein the device is configured in such a way that the filtered input signal is conducted to a switch, - wherein the UHF filter and the switch are connected downstream of the UHF input and wherein the switch is connected on the input side to a comparator circuit and wherein the first filter is connected downstream of the UHF filter and is configured in such a way as to filter signals in the second frequency range in accordance with Long Term Evolution, LTE services, after introduction of the digital dividend and in accordance exclusively with terrestrial television services before introduction of the digital dividend, - wherein said filtered input signal comprises a first signal arranged in said first frequency range corresponding exclusively to terrestrial television services, and a second signal arranged in said second frequency range, characterised in that - said comparator circuit is arranged downstream of said first filter, - the comparator circuit is configured in such a way that the comparator circuit performs a level comparison between the level of the second signal contained in the filtered input signal and a reference level (VRef), which is a predefined level corresponding to a level of maximum power of possible interference signals in the second frequency range, - an amplifier can accept the reference level at its input without disturbing corresponding digital television signals present in the input signal, - the comparator circuit is configured in such a way that, depending on the level comparison, it enables or blocks the path of the second signal to the output of the device and forms an output signal (Vc) for controlling the switch, which is configured in such a way that - in a first alternative, if the reference level (VRef) is greater than the level of the second signal, the output of the UHF filter is connected directly to the output of the device and enables the path of the second signal to the output of the device, and - in a second alternative, if the reference level (VRef) is lower than the level of the second signal, the output of the UHF filter is connected to a low-pass filter, which is arranged between the UHF filter and the output of the device and which is configured to filter signals in the first frequency range. - wherein the device has a UHF input and an output and at least a first filter, - wherein the device is configured in such a way that an input signal passes through a UHF filter connected downstream of the UHF input, which filter generates a filtered input signal and is configured in such a way as to filter signals in a frequency range consisting of a first frequency range and a second frequency range, - wherein the device is configured in such a way that the filtered input signal is conducted to a switch, - wherein the UHF filter and the switch are connected downstream of the UHF input and wherein the switch is connected on the input side to a comparator circuit and wherein the first filter is connected downstream of the UHF filter and is configured in such a way as to filter signals in the second frequency range in accordance with Long Term Evolution, LTE services, after introduction of the digital dividend and in accordance exclusively with terrestrial television services before introduction of the digital dividend, - wherein said filtered input signal comprises a first signal arranged in said first frequency range corresponding exclusively to terrestrial television services, and a second signal arranged in said second frequency range, - said comparator circuit is arranged downstream of said first filter, - the comparator circuit is configured in such a way that the comparator circuit performs a level comparison between the level of the second signal contained in the filtered input signal and a reference level (VRef), which is a predefined level corresponding to a level of maximum power of possible interference signals in the second frequency range, - an amplifier can accept the reference level at its input without disturbing corresponding digital television signals present in the input signal, - the comparator circuit is configured in such a way that, depending on the level comparison, it enables or blocks the path of the second signal to the output of the device and forms an output signal (Vc) for controlling the switch, which is configured in such a way that - in a first alternative, if the reference level (VRef) is greater than the level of the second signal, the output of the UHF filter is connected directly to the output of the device and enables the path of the second signal to the output of the device, and - in a second alternative, if the reference level (VRef) is lower than the level of the second signal, the output of the UHF filter is connected to a low-pass filter, which is arranged between the UHF filter and the output of the device and which is configured to filter signals in the first frequency range.