Directional modulation (DM) has emerged as a highly promising physical layer security technique that embeds confidential information into the spatial characteristics of the transmitted signal. By ...
Audfly’s directional sound modules, for instance, have been integrated into public-facing systems in airports and corporate lobbies. Their compact design allows them to be mounted inside interactive ...
The Xinger-brand components for 450-MHz applications consist of the 11303-3 90° hybrid coupler and the 11303-20 directional coupler. Both operate over the 380- to 520-MHz range with 450-470... The ...
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