RAM-300 Radio Acoustic Modem

The Consortium say this hybrid modem has a good ability to relay data underwater. Long range communications is handled by the acoustic part and the system hands over to the RF mode where appropriate. One of the key characteristics of using Radio Frequency (RF) to relay data is that RF is able to travel from sea or river bed through water and obstacles, even ice, rock, mud and concrete. Because RF can cross the water/air boundary communications can include a land-based modem.

Visitors to UUVS '07 can preview the RAM-300 on the WFS stand 453 and the Tritech stand 451. Chairman of WFS Ltd, Brendan Hyland, will be delivering a paper at the UUVS Conference titled "The Underwater Radio Acoustic Modem". This will describe how a dual-mode system will increase the operational envelope both in fresh and sea water for both civil and military applications. The presentation is at 16.00-16.25 on 27th September 2007 in the session Tools and Sensors.

RAM-300 is the first of five products being developed under a £1.1M project with 50% grant funding, awarded in January 2007 by the UK Department of Trade and Industry, now the Department for Business, Enterprise & Regulatory Reform.

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