DIN EN 50412-2-1 VDE 0808-121:2006-04

This standard applies to electrical equipment using signals in the frequency range 1,6 MHz to 30 MHz to transmit information on low voltage electrical systems, either on the public supply system or within installations in consumers' premises.The immunity requirements have been selected so as to ensure an adequate level of immunity for apparatus at residential, commercial and light industrial premises (Class 1 environment), and industrial premises supplied from a dedicated HV/MV or MV/LV transformers (Class 2 environment).