over and out
US /ˈoʊvər ænd aʊt/
UK /ˈoʊvər ænd aʊt/

1.
câmbio final, fim de transmissão
a phrase used in radio communication to indicate that the speaker has finished speaking and expects no reply
:
•
I've delivered the package, over and out.
Entreguei o pacote, câmbio final.
•
Mission accomplished, over and out.
Missão cumprida, câmbio final.