EN 50065 -1/A1 : 1992: signalling on low-voltage electrical installations in the frequency range 3khz to 148,5 khz: part 1: general requirements, frequency bands and electromagnetic disturbances: amendment A1 / European Commitee for Electrothecnical Standardization
EN 50065 -1/A1 : amendment A2: signalling on low-voltage electrical installations in the frequency range 3khz to 148,5 khz: part 1: general requirements, frequency bands and electromagnetic disturbances / European Commitee for Electrothecnical Standardization
EN 50067 : spezifikation des radio-daten-suystems (RDS) / Europaisches Komitee Fur Elektrotechnische Normung
EN 50067 : specification of the radio data system: (RDS) / European Commitee for electrothecnical Standardization