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Cisco Systems, Inc.

www.cisco.com

 

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

Summary of Contents for AIR-ANT2451NV-R

Page 1: ...ing 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 Reque...

Page 2: ...dance 50 Ohms VSWR 2 1 or less both bands Peak gain 2 4 GHz 2 5 dBi Peak gain 5 GHz 3 5 dBi Polarization Linear Azimuth plane 3 dB beamwidth Omnidirectional Elevation plane 2 4 GHz 3 dB beamwidth 63 Elevation plane 5 GHz 3 dB beamwidth 55 Diameter 8 6 in 21 8 cm Thickness 1 8 in 4 6 cm Cable 3 ft 91 4 cm plenum rated blue markers indicate 5 GHz antennas Connector RP TNC plug Environment Indoor onl...

Page 3: ...onet Dual Band MIMO Low Profile Ceiling Mount Antenna AIR ANT2451NV R 78 19022 02 Technical Specifications 2 4 GHz Antenna 1 Azimuth and Elevation Patterns 5 GHz Antenna 1 Azimuth and Elevation Radiation Patterns ...

Page 4: ... AIR ANT2451NV R 78 19022 02 Technical Specifications 2 4 GHz Antenna 2 Azimuth and Elevation Patterns 5 GHz Antenna 2 Azimuth and Elevation Radiation Patterns 2 4 GHz Antenna 3 Azimuth and Elevation Patterns 5 GHz Antenna 3 Azimuth and Elevation Radiation Patterns ...

Page 5: ...wer company They will remove it safely 5 If an accident occurs with the electric lines call for qualified emergency help immediately Installation Notes Antennas transmit and receive radio signals which are susceptible to RF obstructions and common sources of interference that can reduce throughput and range of the device to which they are connected Follow these guidelines to ensure the best possib...

Page 6: ...ng place directly above your wireless device to ensure that any additional lead in cable can be as short as possible Tools and Equipment Required You need the following tools and equipment which are not provided A suitable hole cutter capable of creating a 1 in 2 54 cm hole in a suspended ceiling tile Note We recommend a hole saw which is available in most home improvement centers and hardware sto...

Page 7: ...te a a 1 in 2 54 cm hole in the ceiling tile Step 4 Insert the antenna cables one at a time through the hole in the ceiling tile Step 5 Line up the plastic nut and washer as shown in Figure 1 Step 6 Insert the antenna cables one at a time through the hole in the plastic nut Note Do not use the rubber washer when you mount the antenna on a ceiling tile The washer is not required for ceiling tile in...

Page 8: ...are identified by a blue collar near the connectors Make sure that you connect these cables to the 5 GHz antenna connection on the access point Suggested Cable Cisco recommends a high quality low loss cable for use with the antenna Note Coaxial cable loses efficiency as the frequency increases resulting in signal loss The cable should be kept as short as possible because cable length also determin...

Page 9: ...plication The RSS feeds are a free service Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and or its affiliates in the U S and other countries To view a list of Cisco trademarks go to this URL www cisco com go trademarks Third party trademarks mentioned are the property of their respective owners The use of the word partner does not imply a partnership relationship betwe...

Page 10: ...10 Cisco Aironet Dual Band MIMO Low Profile Ceiling Mount Antenna AIR ANT2451NV R 78 19022 02 ...

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