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  • WSM6+ 1k Omni transponder
  • WSM6+ 1k Omni transponder
  • WSM6+ 1k Omni transponder
  • WSM6+ 1k Omni transponder
  • WSM6+ 1k Omni transponder
  • WSM6+ 1k Omni transponder
  • WSM6+ 1k Omni transponder

Sonardyne are known for their high-end USBL solutions, which is a very relevant product to turn to if you wish to increase the positioning during survey and inspection operations – and to do so at an attractive price compared to similar solutions on the market.

This product is available as an add on, that is, additional beacon(s), to the Sonardyne Mini-Ranger 2 system with WSM6+ transponder package, which is put together for operations on vessels that need survey grade positioniong performance without the cost and complexity of a deep water USBL solution. This includes integration with the EIVA ScanFish ROTV (remotely operated towed vehicle).

The latest Sonardyne Wideband 2 signal technology has been incorporated on the WSM6+ (Wideband Sub-Mini 6 Plus), which offers superior ranging accuracy and fast USBL position updates. Moreover, it offers full two-way Wideband support – interrogation and reply signals.

WSM 6+ has a depth sensor fitted as standard to aid USBL positioning accuracy and an external on/off switch to save the battery when not in use.

Key features

  • Full two-way Sonardyne Wideband 2 interrogation and reply – mitigates interference and multi-path issues
  • More than 500 unique Sonardyne Wideband 1 and 2 addresses
  • Sonardyne Wideband 1 and HPR 400 navigation compatible
  • Depth sensor for improved USBL positioning performance
  • Rechargeable NiMH battery
  • External on/off switch for saving battery when not in use
  • Compact and rugged design

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4,600.00 excl VAT, excl shipping fee
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Delivery time: 4-10 weeks


Depth rating
1,000 metres
Operational frequency
MF (19–34 kHz)
Transceiver beamshape
Transmit source level (19–34 kHz) (external power) (re. 1 µPa @ 1 m) (battery)
187 dB / 184 dB
Tone Equivalent Energy (TEE*) (external power)
193 dB
Receive sensitivity (dB re 1 μPa)
<85 dB
Power supply
Rechargeable NiMH battery or ext. 24 V via ROV umbilical
Operating channels
All Sonardyne wideband HPR 400 channels
Depth sensor
±0.5% full scale (100 bar)
Operating life ( 1 s update rate, max. power, WB2 )
≥6 days
Maximum update rate
>2 Hz
Quiescent life (Battery)
>35 Days
Connector / 5-Way (standard) / 8-Way (burnwire/motor release )
Subconn MCBH5M / Subconn MCBH8F
Operating temperature
-5 to 40°C
Storage temperature
-20 to 55°C
Mechanical construction
Aluminium alloy, anodised
Dimensions (length x diameter)
420 x 75 mm
Weight in air (water)
3.2 kg (1.3 kg)
Battery charger
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