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Transponder, MiniS



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cNODE MiniS 34-180 and cNODE MiniS 34-40V

Kongsberg Maritimes cNODE MiniS Transponder, the most advanced HiPAP mini SSBL and LBL transponder developed to date. The cNODE MiniS, with an impressive range of features, 500+ Cymbal digital acoustic channels and backwards compatibility, supersedes the Mini MST.

The cNODE MiniS transponders are the smallest members of the cNODE series. These are used with HiPAP, cPAP and μPAP systems in underwater positioning and are ideal for positioning of ROVs. The MiniS also operate with data telemetry.

Key features

  • Cymbal channels (500+)
  • HiPAP/HPR 400 channels
  • Responder and transponder functionalities
  • Telemetry capabilities
  • SSBL positioning
  • LBL positioning
  • Range measurements between transponders
  • 4000 metre depth rated
  • 34-180 has 180º omnidirectional beam
  • 34-40V has 40º degree cone beam
  • Coated Anodised aluminium housing
  • Internal rechargeable Li-Ion battery
  • On deck battery charger available
  • Takes charge from ROVs 24V
  • External Power; 24VDC (20 - 28V), 1A
  • External connector for configuration and software update Transmitting power; Max, High, Low, Min (6 dB steps)
  • External on/off function
  • Internal tilt sensor ± 90°
  • Pressure relief valve (safety device)
  • Frequency band 21-31kHz
  • Operating temperature -5ºC to +55ºC

Technical specification

cNODE MiniS 34-180
cNODE MiniS 34-40V
KM item number
396588 396590
Dimensions (Length X Diameter)
306 x 105mm 321 x 105mm
Weight in air / water
4kg / 2.1kg 4.6kg / 2.1kg
Depth rating
4000m 4000m
Range capability
1000m 4000m
Beam width
180º 40º vertical
Source level - max
188 dB 203 dB
Trigger level
< 85 dB < 80 dB

Operating battery lifetime

Quiescent battery lifetime
30 days
CYMBAL® (Low power, 1 sec update rate)
> 2.5 days
CYMBAL® (Low power, 3 sec update rate - power save mode)
> 7 days
FSK (High power, 3 sec update rate)
> 4.5 days

Other specifications

Responder trigger signal
5V to 25V positive logic pulse (2ms - 6ms)
External connector
Pigtail cable
Seacon MC-IL-8-F (length 60cm)
Battery charger KM item number
Battery charger input voltage
110/230 VAC

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