DIN EN 13757-4-2013 仪表通信系统和仪表远程读数.第4部分:无线仪表读数(SRD频带上运行的无线电仪表读数).德文版本EN 13757-4-2013
Communication systems for meters and remote reading of meters - Part 4: Wireless meter readout (Radio meter reading for operation in SRD bands); German version EN 13757-4:2013