07.57.-c Infrared, submillimeter wave, microwave and radiowave instruments, equipment and techniques (for infrared and radio telescopes, see 95.55) ( 0 Dok. )

• 07.57.Hm Infrared, submillimeter wave, microwave, and radiowave sources ( 0 Dok. )
• 07.57.Kp Bolometers; infrared, submillimeter wave, microwave, and radiowave receivers and detectors (see also 85.60.G Photodetectors in electronicand magnetic devices, and 95.55.R Photoconductors and bolometers in astronomy) ( 0 Dok. )
• 07.57.Pt Submillimeter wave, microwave and radiowave spectrometers; magnetic resonance spectrometers, auxiliary equipment, and techniques ( 0 Dok. )
• 07.57.Ty Infrared spectrometers, auxiliary equipment, and techniques ( 0 Dok. )