You may not have technicians with the necessary communications background or FCC licensing to install such a system. Additionally, the requirements for the system design and operation are no longer in NFPA 72, National Fire Alarm and Signaling Code. NFPA 72-2019, Section 24.9.2 states, "All in-building two-way radio communications enhancement systems shall be designed, installed, and maintained in accordance with NFPA 1221, Standard for the Installation, Maintenance, and Use of Emergency Services Communications Systems."
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