[20190129]IN11028_应急通信：第116届国会的国土安全问题.pdf

CRS INSIGHT Prepared for Members and Committees of Congress INSIGHTINSIGHTi i Emergency Communications: Homeland Security Issues in the 116th Congress Jill C. Gallagher Analyst in Telecommunications Policy Updated January 29, 2019 Overview First responders and other emergency personnel use emergency communications systems to communicate with each other during day-to-day operations and large-scale disasters. Emergency communication systems are also used to enable communications between the public and response agencies. Emergency communication systems include 911 systems that receive calls from the public, requesting assistance or reporting an emergency, and that relay those calls to response agencies (e.g., local police and fire departments); land mobile radio (LMR) systems that allow police, firefighters, and emergency medical service (EMS) workers to communicate with each other during day-to-day operations and disasters; the First Responder Network (FirstNet), the nationwide public safety broadband network, which is currently under deployment and scheduled for completion in 2022, will enable Congressional Research Service 7-. www.crs.gov IN11028