short wave

US /ˈʃɔːrtˌweɪv/
UK /ˈʃɔːrtˌweɪv/
"short wave" picture
1.

Kurzwelle

radio waves of a wavelength between about 10 and 100 meters (a frequency of 3 to 30 MHz), used for long-distance transmission.

:
He listened to international news on his shortwave radio.
Er hörte internationale Nachrichten auf seinem Kurzwellenradio.
Shortwave communication is often used in remote areas.
Kurzwellenkommunikation wird oft in abgelegenen Gebieten eingesetzt.