GSM-R
Definição: The dedicated railway radio system providing secure voice and data between drivers and signallers, including emergency group calls.
Exemplo: The PICOP used GSM-R to contact the signaller from the worksite
Definição: The dedicated railway radio system providing secure voice and data between drivers and signallers, including emergency group calls.
Exemplo: The PICOP used GSM-R to contact the signaller from the worksite