🌐EnglishEnglishBahasa IndonesiaEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийفارسیहिन्दीไทย中文EntityQ621063· pop 23· linked from 113 articlessuper-low frequencyAlso known as SLF, megametric wavesthe 30–300 Hz range of the electromagnetic spectrumAvailable in 23 languagesEspañolFrançais中文PortuguêsItalianoहिन्दीBahasa IndonesiaCatalanDanishFinnishMalayConnectionsultraviolet radiationEntityX-rayEntityCategoriesRadio spectrum