short wave

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

onde corte

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.
Ascoltava le notizie internazionali sulla sua radio a onde corte.
Shortwave communication is often used in remote areas.
La comunicazione a onde corte è spesso utilizzata in aree remote.