AS/NZS 4330:2006 PDF
To provide the essential requirements for 121.5 and 243.0 MHz emergency position indicating radio beacons (EPIRBS) including personal EPIRBS, This Standard includes both environmental and operational requirements and radio-frequency requirements for marine and aviation application beacons. The requirements are made up of specifications, and the methods of test for verification of those specifications, which are based on COSPAS-SARSAT and International Maritime Organization requirements.