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

1.
onda média
a radio wave of a length between 100 and 1,000 meters, used for broadcasting
:
•
Many older radios still have a medium wave band.
Muitos rádios antigos ainda têm uma banda de ondas médias.
•
The news was broadcast on medium wave.
As notícias foram transmitidas em ondas médias.