🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسیहिन्दी한국어中文日本語EntityQ15115271· pop 25· linked from 1,205 articleshigh frequencyAlso known as HF, decametric waves, short wave, SWthe 3–30 MHz range of the electromagnetic spectrumAvailable in 25 languagesEspañolFrançaisDeutsch中文日本語العربيةहिन्दीAsturianBahasa IndonesiaCatalanDanishConnectionsultraviolet radiationEntityradio spectrumEntityCategoriesRadio spectrumWireless