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Subject
- Emergency communication systems[remove]9
- Technological innovations[remove]9
- Wireless communication systems9
- Emergency reporting systems5
- Telephone5
- Emergency management3
- Civil defense warning systems2
- Convergence (Telecommunication)2
- Internet of things2
- Management2
- Mobile communication systems2
- United States. National Telecommunications and Information Administration2
- Crime prevention1
- Evaluation1
- Interagency coordination1
- Public safety radio service1
- Radio broadcasting1
- Rules and practice1
- Smartphones1
- United States. Department of Homeland Security1