Check the listing for details. Multi-Field EMF Meter 3-in-1 Electromagnetic Radiation Detector ELF RF up to. Condition: New, Made in United States. Listed at 113.81 USD. Multiple high sensitivity sensors installed for detecting Power line, Smart meter, Cell phone, Microwave etc. Identify/recognize the common possible sources, such as Power line, Cell Tower, Microwave, Static etc. Safety suggestion lets you understand current situation instantly. Detects 5G network signal and RF up to 10Ghz Built-in RF analyzer and RF Browser for real time RF monitoring.