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The spirit behind the creation of the band was to allow the public safety
organizations access to inexpensive hardware already available for the ISM bands, but
in a section of the spectrum that is not available to the general public.
1.1. Key Facts of the 4.9 GHz PSB band
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The FCC allocates the 4.9 GHz band for fixed and mobile communication.
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The FCC designates the 4.9 GHz band for use solely in the support of public
safety encompassing the protection of life, health and property.
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Users must be a state or local government entity or non-government entity
authorized by a local or state public safety entity.
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Provide services that are not commercially available to the public.
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The FCC rules allow a maximum total power output of 33 dBm (2 W) per
channel and a maximum antenna gain of 9 dBi for a maximum EIRP of 42 dBm.
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Public safety agencies can apply for licenses to use the spectrum within their
areas of jurisdiction.
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The FCC rules permit broadband mobile operations, fixed hotspot use and
temporary fixed links.
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Fixed point-to-point operations are also permitted but this use requires a separate
license from the FCC for each station.
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The FCC rules prohibit use for services that are made commercially available to
the public.
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The new looser emissions mask is designed to allow users to utilize off the shelf
technology to significantly reduce cost and time.
1.2. Eligibility for 4.9 GHz PSB Use
All state and local government entities that provide public safety services, this
is defined as their primary focus being the protection for the safety of life, health, or
property; are eligible to apply for a 4.9-GHz license. The control of the licensing is
being managed at the state and local level to facilitate priority and availability of the
4.9 GHz band. Entities that do not meet these eligibility requirements, but that
provide services in support of public safety, such as private infrastructure
