One or several radio transmitters (radio transmitting devices) operating on one or more antennas located on a common site (territory).

A territory with a special usage regime, the size of which ensures a sufficient level of safety for public health from the harmful effects of the transmitting radio technical object (hereinafter referred to as RTR) at its boundary and beyond.

A territory where, at a height of more than two meters above the ground surface, the intensity of electromagnetic radiation exceeds the permissible levels.