TRANSPONDER, FOR EXPLOSIVE ATMOSPHERE cNODE® is a family of transponders for underwater acoustic positioning and data link, and operates with both HiPAP®, HPR and cPAP® transceivers. The cNODE® transponders operates with either the HiPAP® / HPR 400 channels and telemetry or with the new Cymbal acoustic protocol. The cNODEMaxi 31 Exd transponders are made especially […]