DIN EN IEC 62056-8-4 : 2020 Title: Electricity metering data exchange - the DLMS/COSEM suite - Part 8-4: Communication profiles for narrow-band OFDM PLC PRIME neighbourhood networks (IEC 62056-8-4:2018); English version EN IEC 62056-8-4:2019 Year: 2020 Publisher: DIN Media GmbH Availability: Within 1-2 working days