SRD Spectrum for Metering and Energy Data Management Gerhard Niederfeld · ista International GmbH SRD/MG # , London
Page 2SRDs for Metering and Energy Data Management Current use of SRD-Spectrum Radio Specification for SRD Metering Devices Frequency Range868 MHz MHz Radio Protocols (PHY & MAC)Proprietary MAC and EN (wireless M-Bus) Channel AccessDuty Cycle only, DC < 0,1 % Transmit Power25 mW Deployment Dwellings 25 million Meters installed 125 million Meters with SRD radio interface > 20 million Operation Period 10 – 15 years
Page 3SRDs for Metering and Energy Data Management Requested SRD - Spectrum for future use Radio Specification for SRD Metering Devices Preferred Spectrum 1 MHz within 870 MHz MHz Radio Protocols (PHY & MAC)Proprietary MAC and EN (to be updated) Channel AccessDuty Cycle only, DC < 0,1 % Transmit power25 mW Deployment until 2020 Dwellings expected 50 million Meter installation expected 250 million Meters with SRD radio 165 million Operation Period 10 – 15 years Expected density of metering devices Dense Urban Area> devices/km² Urban Area> devices/km² Suburban Area> devices/km² Rural Area≤ devices/km² More information in ETSI TR More information in ETSI TR
Page 4SRDs for Metering and Energy Data Management Contact Information Gerhard Niederfeld Products Director Development ista International GmbH Grugaplatz 2 · D Essen Telefon · Reiner Borgstedt Research & Development Techem Energy Services GmbH Hauptstraße 89 · D Eschborn Telefon ·