cNODE Modem Embed


The cNODE Modem Embed electronics board, together with a transducer and external power, functions as a modem and transponder. Designed for integration into custom subsea housings the transponder is fully compatible with HiPAP, cPAP and µPAP positioning systems.

Seamless Integration and Performance

The cNODE Modem Embed provides flexibility to integrate KONGSBERG modem electronics into a custom pressure housing. This provides advantages to reduce size, weight and the need for subsea interface cabling. The same SSBL, LBL and telemetry capability is featured on the board as per a standard cNODE providing the same performance when positioning the modem with any HiPAP SSBL or cPAP LBL system.

Versatility in Acoustic Navigation and Positioning

A variety of flush mount and remote transducers are available, to provide optimal performance in shallow, deep water or horizontal modem and positioning applications for AUVs, ROVs, gliders, towed fish or nodes. Operating in the Medium Frequency 20khz to 30Khz band, both FSK and Kongsberg Cymbal navigation codes are available. Cymbal wideband offers 560 unique navigation codes and range accuracies of better than 2cm, are achievable.

Key features

  • Cymbal wideband codes (560+)
  • HPR 400 (FSK) channels
  • 21 – 31 kHz band (MF)
  • Responder and transponder functions
  • Telemetry for sensor and LBL data
  • SSBL positioning mode
  • LBL positioning mode
  • Interfaces to a variety of transducers
  • Internal tilt sensor ± 90°

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