Avalanche Beacons operating at 457 kHz - Transmitter-receiver systems - Part 1: Harmonised Standard for access to radio spectrum (Endorsement of the English version EN 300 718-1 V2.2.1 (2021-06) as a German standard)
This European Standard (EN) has been developed by the European Standardization Organization ETSI (European Telecommunication Standardization Institute) and specifies requirements in the telecommunications sector.