A radiofrequency signal control device of a domestic electrical apparatus, the domestic electrical apparatus being configured to be supplied with electrical energy from a mains electrical supply network, the radiofrequency signal control device comprising at least: - a first electrical conductor (38; 42) and a second electrical conductor (39; 43), each of the first and second electrical conductors (38, 39; 42, 43) comprising a first end (38a, 39a; 42a, 43a) and a second end (38b, 39b; 42b, 43b), the first end (38a, 39a; 42a, 43a) of each of the first and second electrical conductors (38, 39; 42, 43) being configured to be electrically connected to the mains electrical supply network, - a radiofrequency unit, the radiofrequency unit being configured to receive and/or emit radiofrequency signals, the radiofrequency unit comprising an input and/or an output of the radiofrequency signals, the radiofrequency unit being electrically connected to a connection point, - a printed circuit board, the printed circuit board comprising at least the connection point, and - an antenna, the antenna being electrically connected to the radiofrequency unit by at least one of the electrical conductors of the mains electrical supply network, characterized in that the connection point is arranged at the second end (38b; 42b) of the first electrical conductor (38; 42), and in that the radiofrequency signal control device further comprises at least one adaptation line section, the adaptation line section comprising a first end and a second end, the first end of the adaptation line section being electrically connected to the connection point and the second end of the adaptation line section being either electrically connected to a reference voltage or is devoid of an electrical connection. the radiofrequency signal control device comprising at least: - a first electrical conductor (38; 42) and a second electrical conductor (39; 43), each of the first and second electrical conductors (38, 39; 42, 43) comprising a first end (38a, 39a; 42a, 43a) and a second end (38b, 39b; 42b, 43b), the first end (38a, 39a; 42a, 43a) of each of the first and second electrical conductors (38, 39; 42, 43) being configured to be electrically connected to the mains electrical supply network, - a radiofrequency unit, the radiofrequency unit being configured to receive and/or emit radiofrequency signals, the radiofrequency unit comprising an input and/or an output of the radiofrequency signals, the radiofrequency unit being electrically connected to a connection point, - a printed circuit board, the printed circuit board comprising at least the connection point, and - an antenna, the antenna being electrically connected to the radiofrequency unit by at least one of the electrical conductors of the mains electrical supply network, - a first electrical conductor (38; 42) and a second electrical conductor (39; 43), each of the first and second electrical conductors (38, 39; 42, 43) comprising a first end (38a, 39a; 42a, 43a) and a second end (38b, 39b; 42b, 43b), the first end (38a, 39a; 42a, 43a) of each of the first and second electrical conductors (38, 39; 42, 43) being configured to be electrically connected to the mains electrical supply network, - a radiofrequency unit, the radiofrequency unit being configured to receive and/or emit radiofrequency signals, the radiofrequency unit comprising an input and/or an output of the radiofrequency signals, the radiofrequency unit being electrically connected to a connection point, - a printed circuit board, the printed circuit board comprising at least the connection point, and - an antenna, the antenna being electrically connected to the radiofrequency unit by at least one of the electrical conductors of the mains electrical supply network, characterized in that the connection point is arranged at the second end (38b; 42b) of the first electrical conductor (38; 42), and in that the radiofrequency signal control device further comprises at least one adaptation line section, the adaptation line section comprising a first end and a second end, the first end of the adaptation line section being electrically connected to the connection point and the second end of the adaptation line section being either electrically connected to a reference voltage or is devoid of an electrical connection.