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Aquatic Sensor Network Technology (AquaSeNT) is a startup company focused on advancing the state of the art of underwater acoustic communication and networking. The firm has pioneered orthogonal frequency division multiplexing (OFDM) technology for subsea communication. Implemented in an acoustic modem, AquaSeNT’s OFDM technology has the capacity to deliver more information using a narrower bandwidth than competing technologies. OFDM has also been shown to outperform other technologies in challenging acoustic environments. Going beyond point-to-point communication, the performance advantages of AquaSeNT’s technology allow effective networking between many nodes that enables data transmission over a wide area and longer ranges.