PDR-998 telecontrol communication device is applicable to substations of various voltage levels for data acquisition of the whole station, establishment and maintenance of unified data platform, remote data output and advanced function application. As an intelligent communication management device outside the substation, it integrates the functions of monitoring, conventional telecontrol, protection information, on-line monitoring, power metering, phasor measurement, programmed operation, video acquisition and forwarding and station level advanced applications.