Matthew J. Chabalko

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To provide a potential communications channel, HVAC ducts can function as electromagnetic waveguides; a 30-m read range has been achieved within a free space range of 6 m. ABSTRACT | In this paper, the use of hollow metal heating, ventilating, and airconditioning (HVAC) ducts as a potential communication channel between passive ultrahigh-frequency (UHF)(More)
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