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About CSignum Limited

CSignum is a leader in wireless underwater communications, pioneering cable-free data solutions using patented low-frequency electromagnetic (EM) fields. This innovative technology ensures autonomous, reliable data transmission through and across the water-air boundary, water column, seabed, and underwater structures to networks on land and in the air. CSignum’s EM technology supports Critical Infrastructure Security & Defence, Environmental Monitoring, Aquaculture Monitoring & Actuator Control, and Subsea Structure industries. By enabling these sectors to digitally transform and scale remote communication systems, CSignum enhances sustainability, performance, and preparedness for unforeseen events, driving the future of underwater data communication.

+44 (0)150 688 8550
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