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We recommend you avoid installing wireless antennas in or near rack-mounted installations that include
Caution
networking equipment and computer servers whose radiated noise emissions can severely degrade radio
performance.
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Cisco Product Number
AIR-CAB020LL-R
AIR-CAB050LL-R
AIR-CAB100ULL-R
AIR-CAB150ULL-R
Safety Instructions
Follow these safety instructions when installing your antenna.
Warning
In order to comply with FCC radio frequency (RF) exposure limits, antennas should be located at a
minimum of 7.9 inches (20 cm) or more from the body of all persons. Statement 332
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OL-6485-01
To extend the coaxial cable included with your antenna, we recomend a low-loss or ultra-low-loss
coaxial cable for installation flexibility without a significant loss in range. The following table lists
transmission loss information about low-loss and ultra-low-loss extension coaxial cables available
from Cisco.
Plan your installation procedure carefully and completely before you begin.
If you are installing an antenna for the first time, for your own safety as well as that of others, seek
professional assistance. Consult your dealer, who can explain which mounting method to use for the
location where you intend to install the antenna.
Choose your installation site with safety as well as performance in mind. Remember that electric
power cables and telephone lines look alike. For your safety, assume that any line is an electric
power line until determined otherwise.
Call your local power company or building maintenance organization if you are unsure about cables
close to your mounting location.
When installing your antenna, do not use a metal ladder. Do dress properly: shoes with rubber soles
and heels, rubber gloves, and a long-sleeved shirt or jacket.
If an accident or emergency occurs with the power lines, call for qualified emergency help
immediately.
Cisco Multiband Diversity Omnidirectional Ceiling-Mount Antenna (AIR-ANTM4050V-R)
Cable Length
20 ft (6 m)
50 ft (15 m)
100 ft (30 m)
150 ft (46 m)
Safety Instructions
Transmission Loss
2.4-GHz: 1.3 dBi
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5-GHz: 2.5 dBi
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2.4-GHz: 3.3 dBi
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5-GHz: 5.75 dBi
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2.4-GHz: 4.4 dBi
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5-GHz: 7.25 dBi
2.4-GHz: 6.6 dBi
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5-GHz: 11 dBi
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