1. The state or condition in which a signal, transmission, or communication channel is not available, accessible, or functioning properly
The signal unavailability during the storm caused the broadcast to be interrupted.
A indisponibilidade de sinal durante a tempestade causou a interrupção da transmissão.
2. In telecommunications or technology contexts, the temporary or permanent lack of signal strength or network connectivity
Signal unavailability in remote areas is a common challenge for mobile networks.
A indisponibilidade de sinal em áreas remotas é um desafio comum para redes móveis.