A telecommunications device configured to transmit and receive low-frequency and high-frequency electromagnetic signals and comprising: - a reflector defining an operating surface configured to send and receive said electromagnetic signals, - a feed arranged in the proximity of said operating surface and comprising a first hollow, cylindrical acquisition portion and a second acquisition portion coaxial with respect to said first acquisition portion and configured to send and receive said electromagnetic signals at different frequencies, - a support constrained to a support structure and connected to at least one electrical apparatus, - said reflector being constrained to said support and configured to direct said electromagnetic signals from and towards said feed, - said support comprising - a controller operatively connected to said feed and configured to transmit said electromagnetic signals at different frequencies, - at least a first connector operatively connected to said controller and said electrical apparatus and configured to transmit low-frequency electromagnetic signals coming from said second acquisition portion, and - a second connector operatively connected to said controller and said electrical apparatus and configured to transmit said high-frequency electromagnetic signals coming from said first acquisition portion, wherein - said first hollow, cylindrical acquisition portion comprises an inner waveguide consisting of the inner conductive layer of a coaxial cable. - said second acquisition portion comprises at least one guide in the shape of a truncated cone oriented so as to be converging from said reflector to said support and comprising a short-circuited portion at the smaller base of said guide, - said guide including a plurality of slots arranged along said guide, each with a rectangular section extending axially along the side surface of said guide and each connected to waveguides, wherein said second acquisition portion is configured to communicate with said first connector by means of said waveguides, - said low-frequency electromagnetic signals defining frequencies ranging from 10 to 40 GHz, - said high-frequency electromagnetic signals being E-band signals and defining frequencies ranging from 60 to 90 GHz. - a reflector defining an operating surface configured to send and receive said electromagnetic signals, - a feed arranged in the proximity of said operating surface and comprising a first hollow, cylindrical acquisition portion and a second acquisition portion coaxial with respect to said first acquisition portion and configured to send and receive said electromagnetic signals at different frequencies, - a support constrained to a support structure and connected to at least one electrical apparatus, - said reflector being constrained to said support and configured to direct said electromagnetic signals from and towards said feed, - said support comprising - a controller operatively connected to said feed and configured to transmit said electromagnetic signals at different frequencies, - at least a first connector operatively connected to said controller and said electrical apparatus and configured to transmit low-frequency electromagnetic signals coming from said second acquisition portion, and - a second connector operatively connected to said controller and said electrical apparatus and configured to transmit said high-frequency electromagnetic signals coming from said first acquisition portion, - a controller operatively connected to said feed and configured to transmit said electromagnetic signals at different frequencies, - at least a first connector operatively connected to said controller and said electrical apparatus and configured to transmit low-frequency electromagnetic signals coming from said second acquisition portion, and - a second connector operatively connected to said controller and said electrical apparatus and configured to transmit said high-frequency electromagnetic signals coming from said first acquisition portion, - said first hollow, cylindrical acquisition portion comprises an inner waveguide consisting of the inner conductive layer of a coaxial cable. - said second acquisition portion comprises at least one guide in the shape of a truncated cone oriented so as to be converging from said reflector to said support and comprising a short-circuited portion at the smaller base of said guide, - said guide including a plurality of slots arranged along said guide, each with a rectangular section extending axially along the side surface of said guide and each connected to waveguides, wherein said second acquisition portion is configured to communicate with said first connector by means of said waveguides, - said low-frequency electromagnetic signals defining frequencies ranging from 10 to 40 GHz, - said high-frequency electromagnetic signals being E-band signals and defining frequencies ranging from 60 to 90 GHz.