electromagnetic fields, electromagnetic radiation, RF fields, LF fields, microwave fields, electrical fields, magnetic fields, non-ionizing radiation, radiation exposure, field strength, exposure, electromagnetic compliance, EMC, EME safety, safety testing, safety standards, personal safety, spectrum analysis, E-field probe, H-field probe, B-field probe, isotropic, shaped probes, field detectors, field analyzers, selective, area monitors, personal monitor, RF survey meter, area monitoring