Cisco Aironet 2.4 GHz and 5 GHz Dual-Band
Polarization-Diverse Directional Array Antenna
(AIR-ANT2566D4M-R and AIR-ANT2566D4M-RS)
Last Updated: February 06, 2020
This document describes the Cisco Aironet 2.4 GHz and 5 GHz Dual-Band Polarization-Diverse
Directional Array Antennas (AIR-ANT2566D4M-R and AIR-ANT2566D4M-RS), and provides
electrical specifications and mounting instructions.
Both antennas are four-port polarization-diverse arrays that operate over the 2.4 GHz and 5 GHz Wi-Fi
bands. They ship with an articulating mount for use on flat surfaces and masts, and are adjustable in both
horizontal and vertical planes. The radome can be painted using commonly available non-conductive
spray paints, such as Krylon or Rust-Oleum.
Both antennas are designed for use in indoor and outdoor environments with an approved Cisco Aironet
or Catalyst series access point that requires four dual-band antennas. The AIR-ANT2566D4M-RS
antenna includes circuitry to enable self-identification of the antenna by the Cisco Catalyst 91xx Series
access points.
The following information is provided in this document:
Technical Specifications, page 2
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Azimuth and Elevation Radiation Patterns, page 3
System Requirements, page 3
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System Requirements, page 3
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Installation Notes, page 5
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Contents of the Antenna and Bracket Kit, page 6
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Dimensions of the Antenna and Brackets, page 7
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Installing the Antenna, page 10
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Communications, Services, and Additional Information, page 21
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Cisco Systems, Inc.
www.cisco.com