  We present an innovative approach that simultaneously enables direct antenna
frequency-hopped M-ary frequency shift keying (DAFH-MFSK) modulation and
beamsteering through the use of time-modulated arrays (TMAs). The distinctive
feature of our approach lies in the modulation of the TMA excitations with
binary periodic sequences, which can be easily frequency-adjusted and
time-delayed to simultaneously allow for DAFH-MFSK direct antenna modulation
and beamsteering. Notably, our TMA proposal offers a distinct advantage over
conventional architectures in terms of performance metrics, including reduced
insertion losses and enhanced phase resolution for beamsteering, while also
simplifying hardware complexity.
