Acoustic Release Beacons Acoustic Release beacons from Applied Acoustic Engineering provide the means by which scientific, survey or operational equipment can be deployed or reliably retrieved from its anchored seabed mooring. Standard products and customised versions are available to meet specific underwater release, command or control challenges.
Key features and benefits
Positive Drive-Off Mechanisms ensure reliable mechanical release in high biofouling environments Choice of beam pattern, directional or omni-directional Reliable FSK acoustic command sequence for communications security in high noise/reverberant  environments Over 2000 possible command channels (1000 as standard) Compatible with Easytrak (Range/Bearing/Status Telemetry/Release) Applied Acoustics’ PAM  units (Range/Status Telemetry/Release) and other MF USBL Systems (Range/Bearing) Also operate as standard acoustic positioning beacons compatible with almost all industry standard tracking systems Field adjustable internal frequency and release identities Optional increased depth ratings and higher source levels Longer life and higher load versions availabe

AAE’s Products Omni-directional  models  ±90º   Depth Rating Release Load Listening Life Transmitting Life 529P 1000m 200kg 4 months 200,000 replies 539P 1000m 200kg 12 months 200,000 replies 559P 1000m/2000m 200kg/150kg 18 months 2,500,000 replies   Directional models ±60º   Depth Rating Release Load Listening Life Transmitting Life 526P 1000m 200kg 4 months 200,000 replies 536P 1000m 200kg 12 months 200,000 replies 556P 1000m/2000m 200kg/150kg 18 months 2,500,000 replies

Technical Specification

Model  2520 PAM Release Command Unit
The Easytrak System