government emergency radio system for disaster prevention and relief
A public address radio network used by local governments in Japan to broadcast disaster warnings, evacuation orders, and other emergency information to residents.
After the earthquake, an evacuation order was broadcast over the government emergency radio system.
The city used the emergency radio system to announce the approaching typhoon.
A shorter, more general term for disaster prevention radio, which may include amateur or private systems, whereas 防災行政無線 specifically refers to the government-operated public address network.
Compound of 防災 (disaster prevention), 行政 (administration), and 無線 (wireless/radio). The term describes a radio system operated by administrative bodies for disaster prevention purposes.