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Chapter 1
Overview
The 5 GHz radio operates in the UNII-2 band (5.25 – 5.35 GHz), UNII-2 Extended/ETSI band (5.47 –
5.725 GHz), and the upper ISM band (5.725 – 5.850 GHz). It has two transmitters with a maximum total
output power of 22 dBm for the UNII-2 and UNII-2 Extended/ETSI bands. The total maximum output
power for the upper UNII-3 band is 28 dBm. Output power is configurable for 5 power levels in 3 dB
steps. The three receivers enables maximum-ratio combining (MRC).
Antenna Configurations
The 1552H, 1552SA/1552SD, and 1552WU models must always be operated with all the external
antennas attached or the antenna connectors sealed with plugs.
show the antenna port locations.
Table 1-3
Cisco Aironet Dual-Band Omnidirectional Antenna Supported Models and configuration information
Part Number
AIR-ANT2547V-N-HZ
AIR-ANT2450V-N-HZ
AIR-ANT2480V-N
AIR-ANT5180V-N
AIR-ANT5114P2M-N=
(separately available
from Emerson)
Note
Note
•
•
Description
Dual Band 2.4/5 GHz
Omnidirectional Wi-Fi Antenna
Single Band 2.4 GHz
Omnidirectional ISA100
Wireless and WirelessHART
Antenna
Single Band 2,4 GHz
Omnidirectional Wi-Fi Antenna
Single Band 5 GHz
Omnidirectional Wi-Fi Antenna
Single Band 5 GHz Directional
Dual Polarized Patch Antenna
Single Band 2.4 GHz
Omnidirectional WirelessHART
Antenna
Either the
AIR-ANT5180V-N or the AIR-ANT5114P2M-N= antenna must be used, but not both on the
.
1552WU
The WirelessHART Antenna must be installed a minimum of 3 feet from any other antenna,
including the other Wi-Fi antennas attached to the Access Point.
Follow all safety precautions when installing the antennas. For information on safety, refer to
"Safety Precautions"section on page
Gain
2.4 GHz: 4 dBi
5 GHz: 7 dBi
5 dBi
8 dBi
8 dBi
14 dBi
6 dBi
1-18.
Cisco Aironet 1552 Series for Hazardous Locations Installation Guide
Hardware Features
Figure
1-7,
Figure
1-8, and
Number of Antennas
1552SA/
1552H
1552SD
3
3
2
Figure 1-9
1552WU
3
3
See Note
below
1
See Note
below
1
1-15
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