Cisco AIR-ANT2451NV-R Technical Manual

Cisco Aironet Dual Band MIMO Low Profile
Ceiling Mount Antenna (AIR-ANT2451NV-R)

This document outlines the specifications for the AIR-ANT2451NV-R dual band MIMO low profile
ceiling mount antenna and provides instructions for mounting it. The antenna operates in the 2.4- and
5-GHz frequency ranges and is designed for indoor use.

The following information is provided in this document.

• Technical Specifications, page 2

• System Requirements, page 5

• Safety Precautions, page 5

• Installation Notes, page 5

• Installing the Antenna, page 6

• Obtaining Documentation and Submitting a Service Request, page 9

Cisco Systems, Inc.

www.cisco.com

Technical Specifications

252853

Technical Specifications

Antenna type 6-element

Operating frequency
range

Nominal input
impedance

VSWR 2:1 or less

Peak gain 2.4 GHz 2.5 dBi

Peak gain 5 GHz 3.5 dBi

Polarization Linear

Azimuth plane
(3 dB beamwidth)

Elevation plane 2.4 GHz
(3 dB beamwidth)

Elevation plane 5 GHz
(3 dB beamwidth

Diameter 8.6 in (21.8 cm)

Thickness 1.8 in (4.6 cm)

Cable 3 ft (91.4 cm) plenum

Connector RP-TNC plug

Environment Indoor only

Operating temperature 32° F to 131° F

Omnidirectional

2400–2500 MHz
5150–5850 MHz

50 Ohms

(both bands)

Omnidirectional

63°

55°

rated (blue markers
indicate 5 GHz
antennas)

(0° C to 55° C)

Cisco Aironet Dual Band MIMO Low Profile Ceiling Mount Antenna (AIR-ANT2451NV-R)

2

78-19022-02

Technical Specifications

2.4-GHz Antenna #1 Azimuth and Elevation Patterns 5-GHz Antenna #1 Azimuth and Elevation Radiation
Patterns

78-19022-02

Cisco Aironet Dual Band MIMO Low Profile Ceiling Mount Antenna (AIR-ANT2451NV-R)

3