1. An area where electronic signals, such as cellular or radio signals, cannot be received or are extremely weak
The mountain valley is a reception void where my phone has no signal.
O vale da montanha é uma zona sem recepção onde meu telefone não tem sinal.
2. A gap or absence in communication coverage or connectivity
There is a reception void in the basement of the building.
Há uma zona sem recepção no porão do edifício.