ECHO81 offers rental of the Kongsberg cNODE  Micro, a compact and lightweight transponder designed for high-precision underwater positioning in shallow water environments. With a depth rating of 600 meters, this small yet powerful unit is ideal for use by divers, shallow-water ROVs, and towfish operations.

This rental package includes a pressure sensor (600 m rated), charging kit, external connector for configuration and updates, and a durable transit case for secure transport and storage.

The Kongsberg cNODE Micro operates using KONGSBERG’s Cymbal digital acoustic protocol, providing seamless integration with SSBL systems such as µPAP® and HiPAP®. It offers optimal positioning performance, even in complex multi-user environments. Thanks to Fast Track compatibility, multiple cNODE® Micro units can be tracked simultaneously, delivering high-speed positioning updates with minimal latency — a key advantage during dynamic operations.

Key Features:

• 500+ Cymbal channels for advanced acoustic communication

• SSBL and LBL positioning compatibility

• Telemetry for live battery status and tilt sensor control

• Integrated tilt sensor (±90°)

• Responder and transponder functionalities

• Omnidirectional 180º acoustic beam

• Range measurement between transponders

• Rechargeable internal Li-Ion battery

• External connector for charging, configuration, and software updates

• External on/off switch

• Robust coated anodized aluminum housing

• Frequency band: 21–31 kHz

• Source level: Max 170 dB | Trigger level: <85 dB

• Operating temperature: -5°C to +55°C

• Safety pressure relief valve

• Dimensions: 245 mm (L) x 55 mm (D)

The cNODE® Micro is the perfect solution for precise, real-time subsea positioning in compact form. Contact ECHO81 to schedule your rental or customize a system for your project needs.

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