medium wave
US /ˈmiːdiəm weɪv/
UK /ˈmiːdiəm weɪv/

1.
onda media
a radio wave of a length between 100 and 1,000 meters, used for broadcasting
:
•
Many older radios still have a medium wave band.
Muchas radios antiguas todavía tienen una banda de onda media.
•
The news was broadcast on medium wave.
Las noticias fueron transmitidas por onda media.