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Compact Modem and Transponder

cNODE Modem Explorer

cNODE Modem Explorer

cNODE Modem Explorer is designed for integration onto AUVs, ROVs or other vehicles where space and weight are restricted. The cNODE electronics can be supplied in a pressure rated underwater housing or in compact lightweight non pressure rated housing for full third party integration.

cNODE® Modem Explorer is a compact transponder and modem fully compatible with HiPAP®, cPAP® and μPAP® underwater positioning systems. Both Low Frequency and Medium Frequency models are available.

cNODE® Modem Explorer may be connected with up to three remote transducers. The transducers may be selected and switched electronically by the subsea vehicle control system or acoustically, to optimize for example vertical or horizontal telemetry and positioning performance. The unit will operate as any standard cNODE® offering telemetry, SSBL and long baseline positioning modes.

cNODE® Modem Explorer interfaces to the subsea vehicle via a serial interface to transfer modem data. The transparent modem capability allows commands and data to be transmitted to and from the subsea vehicle from the customers topside control system, via the vessels HiPAP® system.

  • The modem utilizes Cymbal acoustic protocol.
  • SSBL and LBL Positioning
  • 560+ Cymbal® channels and HPR
  • High speed telemetry capabilities
  • Modem Function
  • Interleaves positioning and communication
  • Interface up to 3 remote transducers
  • 20-30kHz (MF) and 10-15kHz (LF) Models
  • Input power supply: 15Vdc, 24Vdc and 48Vdc (depending on models)
  • Transmitting power (max): 100W
  • Standby power: < 100mW


  • Frequency band: 21 - 31 kHz
  • Acoustic speed, cymbal: Up to 4,5 kbit/s, selectable for adaption to acoustic channel conditions
  • Data interface: RS-232, RS-485 or RS-422 (isolated / non isolated)
  • Configuration software: TTC Light software
  • Active control during operation: Kongsberg Link User Protocol

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Services & Aftermarket Support

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The team has direct access to the experts in our product centres, should additional support be required, and for the more complex issues a product specialist will be assigned to you. Our priority is to get the right expertise quickly matched with the issue to provide the answers you need.

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We understand the importance of having the right parts, available in the right place, at the right time.

We have streamlined our operations to reduce lead-times and increase spares availability.

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Our 24/7 technical support team is there to help at any time of day or night wherever your vessel is located. They manage your call from the time it is received to the time the issue is resolved.

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Our local representatives will respond to your support requirements 24/7. If you want to know more about how our enhanced service delivery will benefit you, please contact our nearest Office.

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It also enables you to meet regulatory standards, improve crew safety and retain key personnel. In our state of the art training centres qualified and experienced trainers are able to provide your crew with practical training tailored to suit your products, systems and operational requirements. Our instructors can also train your crew on-board your vessel.

From hands on experience on live products in our training centres, to experiencing real life scenarios in our world class simulators all our courses are designed to focus on efficient and safe operation and maintenance of your Kongsberg Maritime equipment.


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