Electromagnetic compatibility and Radio spectrum Matters (ERM) - Maritime Emergency Position Indicating Radio Beacons (EPIRBs) intended for use on the frequency 121,5 MHz or the frequencies 121,5 MHz and 243 MHz for homing purposes only - Technical characteristics and methods of measurement (Endorsement of the English version EN 300152 V 1.2.1 (1999-10) as German standard)