Low-frequency Electrical Appliance Detection Radiation sources generated by electrical appliances such as washing machines, power cords, power strips, copiers, fax machines, high-voltage lines, substations, residential area substations, power distribution rooms, etc., during use, electrification, and power supply.
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High-frequency Electrical Appliance Detection Radiation sources generated by instruments with transmitting and receiving functions, such as mobile signals, WIFI devices, Bluetooth, wireless routers, microwave ovens, mobile signal receivers, mobile signal towers, broadcast signal towers, etc.
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