A device for communicating data, comprising: a modulation and mapping circuit configured to modulate and map data symbols into a plurality of multiple subcarrier frequencies that are orthogonal to each other to form an Orthogonal Frequency Division Multiplexed OFDM communications signal based on a fixed or variable OFDM symbol rate and comprising a modulator circuit, a circuit for inserting pilot and Peak-to-Average Power Ratio PAPR carriers, and a subcarrier mapper circuit for mapping carriers to an Inverse Fast Fourier Transform IFFT in a matrix operation; and a pseudo-random signal generator operative with the modulation and mapping circuit for generating pseudo-random signals to the modulation and mapping circuit based on an encryption algorithm for frequency hopping each subcarrier at an OFDM symbol rate,; and a frequency domain spreader circuit operatively connected to said modulation and mapping circuit for spreading the multiple subcarriers over the frequency domain, wherein the pseudo-random signal generator includes: a pseudo-random amplitude and phase generator configured for generating pseudo-random signals to the modulator circuit; a pseudo-random subcarrier location circuit operative with the modulation and mapping circuit; the pseudo-random amplitude and phase generator and the pseudo-random subcarrier location circuit being operative with an encryption algorithm, a cryptographic and key generator circuit and a master clock. a modulation and mapping circuit configured to modulate and map data symbols into a plurality of multiple subcarrier frequencies that are orthogonal to each other to form an Orthogonal Frequency Division Multiplexed OFDM communications signal based on a fixed or variable OFDM symbol rate and comprising a modulator circuit, a circuit for inserting pilot and Peak-to-Average Power Ratio PAPR carriers, and a subcarrier mapper circuit for mapping carriers to an Inverse Fast Fourier Transform IFFT in a matrix operation; and a pseudo-random signal generator operative with the modulation and mapping circuit for generating pseudo-random signals to the modulation and mapping circuit based on an encryption algorithm for frequency hopping each subcarrier at an OFDM symbol rate,; and a frequency domain spreader circuit operatively connected to said modulation and mapping circuit for spreading the multiple subcarriers over the frequency domain, wherein the pseudo-random signal generator includes: a pseudo-random amplitude and phase generator configured for generating pseudo-random signals to the modulator circuit; a pseudo-random subcarrier location circuit operative with the modulation and mapping circuit; the pseudo-random amplitude and phase generator and the pseudo-random subcarrier location circuit being operative with an encryption algorithm, a cryptographic and key generator circuit and a master clock. a pseudo-random amplitude and phase generator configured for generating pseudo-random signals to the modulator circuit; a pseudo-random subcarrier location circuit operative with the modulation and mapping circuit; the pseudo-random amplitude and phase generator and the pseudo-random subcarrier location circuit being operative with an encryption algorithm, a cryptographic and key generator circuit and a master clock.