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Submersible Double Depth Antenna (SDDA)

Submersible Double Depth Antenna (SDDA) – This remote antenna is used for locating underwater cables or pipes. It is supplied with 33′ or 164′ (10m or 50m) of cable but it can also be ordered with up to 328′ (100m) of cable on request. It is available in 640Hz or 8kHz versions.

Additional Submersible cable available on request.

640/512Hz Submersible DD Antenna (10m cable).

Part No: 10/RX-SUBANTENNA-640

8kHz Submersible DD Antenna (10m cable).


Additional Submersible Cable Length (per metre)



Features overview

Alternative antenna for Precision series locator which doubles effective depth range.

Submersible to 100m / 328ft depth.

Has neutral buoyancy with brass weight on lower end for stability.

Locator Depth button pressed as normal for depth measurement.

Liquid crystal display locator depth calculation performed automatically (moving coil meter locator requires operator calculation).

Supplied with 10m / 33ft (or Customer specified length) of submersible cable and jumper cable which connects to locator accessory socket.

Identification plate displays: Serial number of antenna. Serial number of Precision series locator used for test.

Matched locator calibration frequency.

Can be suspended from non-metallic boom and lowered to sea / river bed.

No batteries required.


Submersible Double Depth Antenna (SDDA) – TocDem Utilities will not be beaten on price, quality or after sales service. Customer support long after the sale is just what we do. All parts & accessories are kept in stock. TocDem Utilities offers an excellent efficient re-calibration service in its well-established Calibration Workshop.

Our service engineers have over 100 years combined specialist electronic and hydraulic experience between them. We believe in investing in people and constantly have our staff re-trained in line with the latest industry techniques.

As a Radiodetection GOLD distributor we are perfectly positioned to support all of your Underground cable location, survey, ground penetration radar and accessory needs.

We offer a full national & international shipping and customs clearance service, which can always be arranged by our friendly experienced administration team.