Ключевые слова:
Emission|Noise (spurious signals)|Attenuation|Testing conditions|Acoustic measurement|Acoustic filters|Electric power systems|Rated voltage|Bandwidths|Wavelengths|Radio receivers|Electrical wave measurement|Frequency modulation|Radiofrequencies|Frequency response|Signal-to-noise ratio|Antennas|Sensitivity|Grades (quality)|Radiocommunication|Signal distortion|Radio equipment|Sound broadcasting