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Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA

Cisco Aironet Omnidirectional Mast Mount 
Antenna (AIR-ANT2506)

This document outlines the specifications, describes the omnidirectional mast mount antenna, and 
provides instructions for mounting it. Designed for WLAN applications in the 2.4- to 2.5-GHz frequency 
range, the antenna has a nominal gain of 5.2 dBi and is typically mounted indoors or outdoors on a mast. 
The antenna is compatible with Cisco Aironet radio products utilizing a reverse polarity TNC (RP-TNC) 
connector.

The following information is provided in this document.

Technical Specifications, page 2

System Requirements, page 2

Installation Notes, page 3

Safety Precautions, page 7

Obtaining Documentation and Submitting a Service Request, page 8

Summary of Contents for Aironet AIR-ANT2506

Page 1: ...or WLAN applications in the 2 4 to 2 5 GHz frequency range the antenna has a nominal gain of 5 2 dBi and is typically mounted indoors or outdoors on a mast The antenna is compatible with Cisco Aironet radio products utilizing a reverse polarity TNC RP TNC connector The following information is provided in this document Technical Specifications page 2 System Requirements page 2 Installation Notes p...

Page 2: ... an RP TNC connector Antenna type Dipole Operating frequency range 2 4 to 2 84 GHz Environment Indoor outdoor VSWR Less than 2 1 1 5 1 nominal Gain 5 2 dBi Polarization Linear vertical E Plane 3dB bandwidth 36 degrees H Plane 3dB bandwidth Omnidirectional Cable length and type 3 ft 0 91 m RG 58 Dimensions H x W 11 5 in x 1 125 in 29 2 cm x 2 8 cm Mounting Mast 2 in 5 08 cm maximum E Plane Pattern ...

Page 3: ...ation will use guy wires a Install guy anchor bolts b Estimate the length of guy wire and cut it before raising the mast c Attach guy wires to a mast using guy rings 6 Carefully connect the antenna and mast assembly to its mounting bracket and tighten the clamp bolts a In the case of a a guyed installation you must have at least one assistant to hold the mast upright while the guy wires are attach...

Page 4: ...ounted clear of any obstructions to the sides of the radiating element If the mounting location is on the side of a building or tower the antenna pattern will be degraded on the building or tower side Site Selection Before attempting to install your antenna think where you can best place the antenna for safety and performance Follow these steps to determine a safe distance from wires power lines a...

Page 5: ...ng kit consisting of a mounting bracket and hose clamp This kit allows you to mount the antenna to masts from 1 25 inches 3 2 centimeters to 2 inches 5 1 centimeters Cisco recommends that a 1 5 inch 3 8 centimeter or larger tubing mast be used The antenna is vertically polarized Since the antenna has vertical gain it is very important to mount the antenna in a vertical not leaning position for opt...

Page 6: ...cure on the mast Step 4 Connect the antenna coaxial cable to the lead in cable Step 5 Remove the yellow mounting instruction label Step 6 If the installation is outdoors weatherproof the antenna connection the point at which the antenna cable connects to another cable or device Note The antenna is not DC grounded It is recommended that you install lightning protection devices in your system See In...

Page 7: ...these safety precautions They may save your life 1 If you are installing an antenna for the first time for your own safety as well as others seek professional assistance Your Cisco sales representative can explain which mounting method to use for the size and type antenna you are about to install 2 Select your installation site with safety as well as performance in mind Remember electric power lin...

Page 8: ...cumentation which also lists all new and revised Cisco technical documentation at http www cisco com en US docs general whatsnew whatsnew html Subscribe to the What s New in Cisco Product Documentation as a Really Simple Syndication RSS feed and set content to be delivered directly to your desktop using a reader application The RSS feeds are a free service and Cisco currently supports RSS Version ...

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