P/N 6884-00-


Integrated Diver Communication System


Sealand20A is an integrated diver voice communication system allowing diver-to-diver and diver-at-surface voice communications with combined ultrasonic and radio links.


  • Surface voice communication through VHF radio link.
  • Integration with underwater communication through ultrasonic acoustic link.
  • Up to 8000 meters via radio link and 1000 meters of underwater communication distance.
  • Headphone/laringophone allow to operate with Half Mask or Full Face Mask or without mask at surface.


For technical specifications, please contact Siel.

SIEL S.r.l.
Torino Plant: via Postiglione 24, 10024, Moncalieri (TO) - Italy
Spezia Plant: via Vincinella 14, 19037, S. Stefano di Magra (SP) - Italy
VAT registration number: 04201240019