• Requirement

    Select radio antennas and calibrate transmission power levels to reduce the probability that signals from wireless access points can be received outside of organization-controlled boundaries.

  • Discussion

    Actions that may be taken to limit unauthorized use of wireless communications outside of organization-controlled boundaries include reducing the power of wireless transmissions so that the transmissions are less likely to emit a signal that can be captured outside of the physical perimeters of the organization, employing measures such as emissions security to control wireless emanations, and using directional or beamforming antennas that reduce the likelihood that unintended receivers will be able to intercept signals. Prior to taking such mitigating actions, organizations can conduct periodic wireless surveys to understand the radio frequency profile of organizational systems as well as other systems that may be operating in the area.

More Info

  • Title

    Wireless Access | Antennas and Transmission Power Levels
  • Family

    Access Control
  • NIST 800-53B Baseline(s)

    • High
  • Related NIST 800-53 ID


NIST 800-53A Assessment Guidance

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