But for a weekend project, [Vinod.S] took the ultrasonic transmitter and receiver from a distance-meter module and used amplitude modulation to send music ultrasonically from his laptop to a ...
Lockheed Martin MS2, Owego, New York, has been awarded a maximum $30,814,317 delivery order (THD9) against contract SPRWA1-13-D-2000 for transmitter receivers. This is a firm-fixed-price contract.
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