The DB 500 platform is a compact unit that can be easily transported. As with the larger buoys there is through-hull access for underwater instrumentation.

The buoy can be supplied as a hull-only assembly for customers to fit their own towers. Alternatively, Hydrosphere can supply a variety of towers to suit individual requirements.

All Mobilis data buoys comprise a robust central steel structure with through-hull access for underwater instrumentation and cabling. Buoyancy is provided by multiple-section rotationally moulded polyethylene (PE) floats, which are bolted around the structure.

A range of towers are available depending upon focal heights, payloads, and power requirements. Towers are manufactured from marine grade aluminium and can be fitted with a large range of battery housings, solar panels, sensor rings and topmarks.

Replaceable structures can be held where a buoy requires to be quickly redeployed with a different equipment configuration.