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Americas Headquarters:

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 content (8 pages)

PAGE 1
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.
PAGE 2
Technical Specifications Antenna type Dipole Operating frequency range 2.4- to 2.84-GHz Environment Indoor/outdoor Nominal input impedance 50 Ohms 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.
PAGE 3
Installation Notes Installation Notes General Installation Instructions for Mast Mounted Antennas Caution For outside installations, make sure you do not mount the antenna upside down or block the bottom of the antenna at the cable exit. The correct mounting position is with the cable pointing down (towards the ground) so that any moisture will drain through the antenna drain holes. The antenna ships with a yellow mounting instruction label temporarily attached to the antenna radome.
PAGE 4
Installation Notes Caution There may be wires in the wall. Make sure you determine the place you intend to drill the hole is clear of any any obstructions or other hazards. 5. Pull the cable through the hole and form a drip loop close to where it enters the building. 6. Thoroughly waterproof the lead-in area. 7. Install a static electricity discharge unit. 8. Connect the lead-in cable to the equipment. Choosing a Mounting Location The location of the antenna is important.
PAGE 5
Installation Notes Note This list does not include the tools and equipment required to assemble and erect the tower, mast, or other structure you intend to mount your antenna on. The following sections contain procedures for installing the antenna. Choose the procedure that applies to your situation. Use figure 1 as a guide. Mounting the Antenna The antenna is provided with a mounting kit consisting of a mounting bracket and hose clamp. This kit allows you to mount the antenna to masts from 1.
PAGE 6
Installation Notes Caution For outside installations, make sure you do not mount the antenna upside down or block the bottom of the antenna at the cable exit. The correct mounting position is with the cable pointing down (towards the ground) so that any moisture will drain through the antenna drain ring. The antenna ships with a yellow mounting instruction label temporarily attached to the antenna radome.
PAGE 7
Safety Precautions The antenna terminates with a special connector (reverse-TNC plug) after a short, 3-ft. (91.4 cm) cable. The mating connector to the antenna is an appropriate reverse-TNC jack connector. The connector on the opposite end will vary according to the type of equipment used. After the cable is attached to the antenna, make sure that the connections are sealed (if using outdoors) to prevent moisture and other weathering elements from affecting performance.
PAGE 8
Safety Precautions 7. If any part of the antenna system should come in contact with a power line, don’t touch it or try to remove it yourself. Call your local power company. They will remove it safely. 8. If an accident should occur with the power lines call for qualified emergency help immediately.