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Kongsberg cNODE Midi

Availability: Rental

cNODE® is a new family of transponders for underwater acoustic positioning and data link. They have more than 100 channels available, and can all be positioned by HiPAP® underwater positioning systems. Each underwater target to be positioned must have a transponder or a responder installed. The transponder operates acoustically while the responder requires a cable for triggering. The new cNODE® range of transponders are backwards compatible with the older FSK channels and telemetry protocols and can therefore be used by any HPR400 and HiPAP® systems.

Cymbal and compatibility

The new cNODE® range of transponders are compatible with the older HPR400 and HiPAP® FSK channels and telemetry protocols. The new HiPAP® 501/451/351/351P/101 systems can also optionally work with the Cymbal acoustic protocol for more accurate positioning and high speed data link (up to 8000 bits/second). Ranges can be measured with 0,01m accuracy and over longer distances due to more energy in the signals.


The cNODE® concept has a modular construction such that the transducer, transponder electronics, battery pack and optional add-on’s can be replaced individually. The Floating collars have been redesigned and are very user friendly and secure in use. The HiPAP® MF systems (not HiPAP 101) may also position Diver Emergency Channels A and B, but at a reduced range, typical max. range 1000m.


  • The various cNODE® models have either 4000m or 7000m depth rating
  • They have different source levels, dependant on the beam pattern, lifetime, and functions
  • The new cNODE® transponder family can use both traditional frequency shift (FSK) modulation technique and the new Cymbal acoustic protocol which utilizes wideband Direct Sequence Spread Spectrum (DSSS) signals

CONTACT General sales enquiries

+47 52 81 47 60 (24 hour)