I.S. EN 50065-1:2011

1 Scope
2 Normative references
3 Terms and definitions
4 Frequency bands
5 Access protocol
6 Transmitter output voltage
7 Disturbance limits
8 Test conditions
9 Safety considerations
Annexes
Annex A (normative) - Method of measurement of the frequency
        range over which a transmitter device detects a signal
        from another device in the frequency range 125 kHz
        to 140 kHz
Annex B (normative) - Method of measurement of the spectral
        distribution of a transmitting device's signal in the
        frequency range 125 kHz to 140 kHz
Annex C (normative) - Methods of measurement (9 kHz to 30 MHz)
Annex D (normative) - Methods of measurement of disturbance
        power (30 MHz to 1 GHz)
Annex E (normative) - Attenuation characteristics of measuring
        instrument above 150 kHz
Annex F (informative) - Design for a single artificial network
        intended to show the performance of a signalling
        system
Annex ZZ (informative) - Coverage of Essential Requirements of
         EC Directives

Pertains to electrical equipment using signals in the frequency range 3 kHz to 148,5 kHz to transmit information on low voltage electrical systems, either on the public electricity distribution network or within installations in consumers' premises.