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When completing this survey, please refer to the following definitions:
Interoperability: FCC defines interoperability as an essential communications link within public safety and
public service wireless communications systems which permits units from two or more different entities to
interact with one another and to exchange information according to a prescribed method in order to achieve
predictable results. For purpose of this report, we are only interested in interoperability as it relates to
the use of land mobile radio (LMR) technology to communicate effectively (i.e., as needed and as authorized), even if using disparate
LMR systems.
LMR systems are terrestrially-based, wireless communications systems commonly used by federal, state, local,
tribal, and territorial emergency responders, public works companies, others to support voice and low-speed data
communications.
For the purpose of this survey, we use the term “LMR system” to include:
• Base station radios located in fixed positions, such as public safety answering points or dispatch centers, with powerful transmitters.
• Repeaters, to retransmit radio signals received from handheld portable radios, mobile radios, and base station radios.
• Related network infrastructure, required to connect the different base stations to the same communications system.
Also, for the purpose of this survey, we use the term “LMR devices” (i.e., subscriber unit) to include:
• Handheld portable radios carried by public safety personnel, which tend to have a limited transmission range.
• Mobile radios, often located in vehicles, which use the vehicle's power supply and a larger antenna, providing a greater transmission range than handheld portable radios.
Department: Cabinet-level federal government organization.
Agency: Component organization of a federal government Department—includes federal bureaus (e.g., BLM), administrations
(e.g., NOAA), agencies (e.g., FEMA), etc.
Entity: Non-federal organization, including state, local, or tribal organizations.
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