1. A geographic region or zone where transmission of signals, power, or disease occurs or is monitored
The transmission area for the radio station covers the entire metropolitan region.
A área de transmissão da estação de rádio cobre toda a região metropolitana.
2. In epidemiology, a region where a disease is actively spreading
Health officials identified the transmission area for the virus outbreak.
As autoridades de saúde identificaram a área de transmissão do surto de vírus.
3. In telecommunications, the coverage zone for broadcasting or signal transmission
The transmission area was expanded to include rural communities.
A área de transmissão foi expandida para incluir comunidades rurais.