Outdoor Sources of Electromagnetic Pollution

The outdoor sources of EM pollutions in low-frequency range are high voltage power transmission lines, substations, underground cables, railway lines, transformers, …etc.

The outdoor Pollutions in the radio frequency range are Radio, TV  & Radar stations, Cell phone towers, Wi-Fi zones, WiMAX, Smart Meters and Microwave links, Police and Fire Brigades communication networks….etc.