U.S. federal trademark · Serial No. 75069865 · Reg. No. 2052405
mobile emitter locating apparatus used to receive and analyze RF signals within aviation frequency bands; portable intercept and direction finding apparatus, comprised of a DF receiver and processor, DF antenna, monitor, power adapter, cables, battery charger, and dual channel tape recorder, and battery packs; DF digital bearing processor; radio direction finder for mobile, airborne, base-station or shipboard operation; surveillance monitor, and DF receiver and processor; VHF and UHF fixed site DF antenna; broad frequency fixed site DF antenna; hand-held DF antenna; mobile DF antenna for land-mobile or aircraft operations; and vehicle beacon comprising transmitter, motion sensor and battery circuit boards
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