An electronic device comprising: - a front-end module comprising: • at least one front-end connector adapted to be connected to a cable external to said electronic device for receiving at least one radiofrequency signal and for transmitting Direct Current, • a reception module adapted to receive said at least one radiofrequency signal from said front-end connector ; - a Tuning and demodulating Module adapted to receive said at least one radiofrequency signal from said reception module; and to transform said at least one radiofrequency signal in at least one Transport Stream signal - an interfacing module (320 322 324 326) comprising at least an isolation module adapted to galvanically isolate said front end module and a back-end module < of said electronic device, and to transmit, to said back-end module of said electronic device, at least one digital signal received from said front-end module ; said interfacing module comprising at least one isolated DC current supplying module, adapted to be connected to said back-end module and to transmit Direct Current to at least one control module of said front end module, - said back-end module comprising a control processing unit adapted to transmit at least one command signal to said control module of said front end module , said control processing unit being adapted to operate in a first mode, where said control module of said front-end module supplies Direct Current to said front-end connector in response to said command signal, and in a second mode, where no Direct Current is supplied by said control module of said front-end module to said front-end connector in response to said command signal; said Transport stream signal output by said tuning and demodulating module ; is provided through said galvanic isolator module (320 326) to said control processing Unit. - a front-end module comprising: • at least one front-end connector adapted to be connected to a cable external to said electronic device for receiving at least one radiofrequency signal and for transmitting Direct Current, • a reception module adapted to receive said at least one radiofrequency signal from said front-end connector ; • at least one front-end connector adapted to be connected to a cable external to said electronic device for receiving at least one radiofrequency signal and for transmitting Direct Current, • a reception module adapted to receive said at least one radiofrequency signal from said front-end connector ; - a Tuning and demodulating Module adapted to receive said at least one radiofrequency signal from said reception module; and to transform said at least one radiofrequency signal in at least one Transport Stream signal - an interfacing module (320 322 324 326) comprising at least an isolation module adapted to galvanically isolate said front end module and a back-end module < of said electronic device, and to transmit, to said back-end module of said electronic device, at least one digital signal received from said front-end module ; - said back-end module comprising a control processing unit adapted to transmit at least one command signal to said control module of said front end module , said control processing unit being adapted to operate in a first mode, where said control module of said front-end module supplies Direct Current to said front-end connector in response to said command signal, and in a second mode, where no Direct Current is supplied by said control module of said front-end module to said front-end connector in response to said command signal; <EOS>