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Antenna Integrated Radio Unit 
Description
AIR 1641
Description
Ge19092A
263/1551-LZA 701 6001/3 Uen C
Copyright
© Ericsson AB 2020. All rights reserved. No part of this document may be
reproduced in any form without the written permission of the copyright owner.
Disclaimer
The contents of this document are subject to revision without notice due to
continued progress in methodology, design and manufacturing. Ericsson shall
have no liability for any error or damage of any kind resulting from the use of this
document.
Trademark List
All trademarks mentioned herein are the property of their respective owners.
These are shown in the document Trademark Information.
263/1551-LZA 701 6001/3 Uen C | 2020-05-28
Contents
1 Introduction 1
1.1 Warranty Seal 1
2 Product Overview 2
2.1 Main Features 4
2.2 Required Installation Equipment 4
3 Technical Data 5
3.1 EIRP Data 6
3.2 Physical Characteristics 11
3.3 Installation Requirements 12
3.4 Installation Alternatives 14
3.5 Space Requirements 15
3.6 Acoustic Noise 17
3.7 Environmental Characteristics 17
3.8 Power Supply Characteristics 18
3.9 System Characteristics 19
4 Hardware Architecture 27
4.1 AIR Unit Parts 27
4.2 Optical Indicators and Buttons 28
5 Connection Interfaces 30
5.1 Grounding Interface 31
5.2 −48 V DC Power Supply Interface 31
5.3 Optical Cable Interface 32
5.4 Support Unit Interface 32
5.5 Optical Indicators 32
5.6 TX Monitor Interface 33
6 Standards and Regulations 34
6.1 Regulatory Approval 34
6.2 Other Standards and Regulations 37
Contents
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Antenna Integrated Radio Unit Description
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1 Introduction
This document describes the AIR 1641 unit.
1.1 Warranty Seal
The product is equipped with a warranty seal sticker.
Note: Seals that have been implemented by Ericsson must not be broken or
removed, as it otherwise voids warranty.
Introduction
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2 Product Overview
AIR 1641 is an AAS radio.
LTE AAS FDD is an evolved macro solution for LTE with improved performance
features for mobile broadband services. The main differentiator is an integrated
active antenna with beamforming and FD-MIMO technology, capable to utilize
radio resources in both azimuth and elevation.
LTE AAS FDD is prepared for deployment in ERS in single mode configuration for
LTE FDD and Narrowband IoT.
The AIR unit is designed for outdoor installations, intended for pole, wall, tower,
or mast mounting.
A typical configuration is shown in Figure 1. Other installation alternatives are
shown in Figure 2 and Figure 3.
Ge13817A
AIR
Baseband
Figure 1 AIR Unit Connected to Baseband
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Ge2730A
AIR UnitAIR Unit
AIR Unit
Main Unit
Figure 2 Three AIR Units Pointing in Three Different Directions
Main Unit
AIR
AIR
AIR
Ge13816A
Figure 3 Three AIR Units Connected to the Main Unit in a Star Configuration
Product Overview
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2.1 Main Features
— Two-wire (DC-C) and three-wire (DC-I) power connection
— Dual band LTE FDD
— 16 transmitter/receiver (16TX/16RX) branches per Band
— CPRI communication – Four CPRI up to 10.1 Gbps
— Complies with 3GPP base station class Wide Area. For a list of relevant
standards, see Radio Standards Compliance on page 36.
— Supports Basic Stand-alone Radio Installation Check, that helps to identify
potential faults before the AIR is connected to the network.
2.2 Required Installation Equipment
Table 1 Mounting Kit
Mounting Kit Product Name Product Number
Swivel mounting kit AIR Heavy, wall and pole
mount bracket no tilt
with azimuth
SXK 109 2036/1
Tilt and swivel mounting
kit
AIR Heavy, wall and pole
mount bracket with tilt
and azimuth
SXK 109 2037/1
For more information, see Site Installation Products Overview.
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3 Technical Data
Table 2 Technical Data
Description Value
Maximum nominal output
power(1) (2)
160 W(3) per Band
(License key is required for total output power over
20 W.)
Number of carriers LTE: up to two for B2/B25 and up to two for B66
LTE: up to three for B1 and up to three for B3
NB-IoT in-band mode: 1 NB-IoT carrier per
configured LTE host carrier
NB-IoT guard band mode: 1 NB-IoT carrier on
either side of the LTE carrier
Frequency(4) B1 for LTE
1920–1980 MHz uplink
2110–2170 MHz downlink
B2 for LTE
1850–1910 MHz uplink
1930–1990 MHz downlink
B3 for LTE
1710–1785 MHz uplink
1805–1880 MHz downlink
B25 for LTE
1850–1915 MHz uplink
1930–1995 MHz downlink
B66 for LTE
1710–1780 MHz uplink
2110–2200 MHz downlink
 
(1) For detailed information about licenses and HWACs, see Manage Licenses and Hardware
Activation Codes in the Radio Node libraries.
(2) For detailed information about output power, see applicable Output Power Feature Description.
(3) 80 W for 5 MHz + 5 MHz LTE
120 W for 5 MHz + 10 MHz LTE
(4) For information about IBW, see RBS Configurations.
 
Technical Data
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3.1 EIRP Data
3.1.1 Traffic Beams
This section describes the performance data for traffic beams.
Table 3 AIR Unit Typical Performance Data for Traffic Beams
Band Uniform Traffic
Beams(1)
TM4 TM9
B1 Vertical
Beamwidth
7° ± 1° 7° ± 1°
Electrical downtilt 2°–12° 2°–12°
EIRPmax 72 dBm
B2/25 Vertical
Beamwidth
7° ± 1° 7° ± 1°
Electrical downtilt 2°–12° 2°–12°
EIRPmax 71 dBm
B3 Vertical
Beamwidth
7.5° ± 1° 7.5° ± 1°
Electrical downtilt 2°–12° 2°–12°
EIRPmax 71 dBm
B66 Vertical
Beamwidth
7° ± 1° 7° ± 1°
Electrical downtilt 2°–12° 2°–12°
EIRPmax 72 dBm
 
(1) The traffic beamforming of this product is not limited to the uniform beamshapes and
directions given in the table. The beams are Precode Matrix Indicator controlled.
 
3.1.2 Broadcast Beams
This section describes performance data for broadcast beams in different
sector carrier types and sector shapes.
AIR 1641 can be configured in three sector carrier types:
— NORMAL_SECTOR
— LEFT_DIGITAL_SECTOR
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— RIGHT_DIGITAL_SECTOR
The sector carrier type NORMAL_SECTOR has four sector shapes, with
associated beam shapes:
— Macro
• Dual Polarized 65
— Macro Narrow
• Narrow Beam
— Macro Wide
• Broad Beam
— Macro2Lobe
• Sectorized MB6
Table 4 AIR Unit Typical Antenna Performance Data for Broadcast Beams in
NORMAL_SECTOR
Band Sector
Carrier
Type
NORMAL_SECTOR
Sector
Shape
Macro Macro
Narrow
Macro
Wide
Macro2Lob
e
Associated
Beam
Shape
Dual
Polarized
65
Narrow
Beam
Broad
Beam
Sectorized
MB6
B1 Beam TM4
Vertical
beamwidth
7° ±1°
Horizontal
beamwidth
N/A 50° ±3° 92° ±2° 65° ±2°
Electrical
downtilt
2°−12°
EIRPref 63.5 dBm 65 dBm 62 dBm 63 dBm
B2/25 Beam TM4
Vertical
beamwidth
7° ±1°
Horizontal
beamwidth
N/A 54° ±3° 100° ±2° 71° ±3°
Electrical
downtilt
2°−12°
Technical Data
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Band Sector
Carrier
Type
NORMAL_SECTOR
Sector
Shape
Macro Macro
Narrow
Macro
Wide
Macro2Lob
e
Associated
Beam
Shape
Dual
Polarized
65
Narrow
Beam
Broad
Beam
Sectorized
MB6
EIRPref 63.5 dBm 64 dBm 61.5 dBm 63 dBm
B3 Beam TM4
Vertical
beamwidth
7.5° ±1°
Horizontal
beamwidth
N/A 56° ±2° 105° ±5° 76° ±3°
Electrical
downtilt
2°−12°
EIRPref 65 dBm 64 dBm 61 dBm 62 dBm
B66 Beam TM4
Vertical
beamwidth
7° ±1°
Horizontal
beamwidth
N/A 49° ±3° 92° ±3° 64° ±3°
Electrical
downtilt
2°−12°
EIRPref 63.5 dBm 65 dBm 62 dBm 63 dBm
Table 5 AIR Unit Typical Antenna Performance Data for Broadcast Beams in
LEFT_DIGITAL_SECTOR
Band Sector Carrier Type LEFT_DIGITAL_SECTOR
Sector Shape Macro
Associated beam Shape Dual Polarized 65
B1 Beam TM4
Vertical beamwidth 7° ±1°
Horizontal beamwidth 38° ±2°
Electrical downtilt 2°−12°
EIRPref 61 dBm
B2/25 BeamTM4
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Band Sector Carrier Type LEFT_DIGITAL_SECTOR
Sector Shape Macro
Associated beam Shape Dual Polarized 65
Vertical beamwidth 7° ±1°
Horizontal beamwidth 38° ±2°
Electrical downtilt 2°−12°
EIRPref 61 dBm
B3 Beam TM4
Vertical beamwidth 7.5° ±1°
Horizontal beamwidth 34° ±2°
Electrical downtilt 2°−12°
EIRPref 60.5 dBm
B66 Beam TM4
Vertical beamwidth 7° ±1°
Horizontal beamwidth 38° ±2°
Electrical downtilt 2°−12°
EIRPref 61 dBm
Table 6 AIR Unit Typical Antenna Performance Data for Broadcast Beams in
RIGHT_DIGITAL_SECTOR
Band Sector Carrier Type RIGHT_DIGITAL_SECTO
R
Sector Shape Macro
Associated beam Shape Dual Polarized 65
B1 Beam TM4
Vertical beamwidth 7° ±1°
Horizontal beamwidth 38° ±2°
Electrical downtilt 2°−12°
EIRPref 61 dBm
B2/25 Beam TM4
Vertical beamwidth 7° ±1°
Horizontal beamwidth 38° ±2°
Electrical downtilt 2°−12°
EIRPref 61 dBm
Technical Data
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Band Sector Carrier Type RIGHT_DIGITAL_SECTO
R
Sector Shape Macro
Associated beam Shape Dual Polarized 65
B3 Beam TM4
Vertical beamwidth 7.5° ±1°
Horizontal beamwidth 34° ±2°
Electrical downtilt 2°−12°
EIRPref 60.5 dBm
B66 Beam TM4
Vertical beamwidth 7° ±1°
Horizontal beamwidth 38° ±2°
Electrical downtilt 2°−12°
EIRPref 61 dBm
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3.2 Physical Characteristics
Ge19093A
W
H
D
Figure 4 AIR Unit Dimensions
Table 7 AIR Unit Dimensions
Description Value
Height (H) 1555 mm
Width (W) 630 mm
Depth (D) 320 mm
Table 8 AIR Unit Weight with and without Installation Kit
AIR Unit Type Unit Weight Mounting Kit Weight
SXK 109 2036/1 SXK 109 2037/1
AIR 1641 B1a B3a 101.4 kg ±5% 8 kg 12.5 kg
AIR 1641 B2/B25a
B66a
101.4 kg ±5% 8 kg 12.5 kg
The AIR Unit color is color code NCS S1002-B.
Technical Data
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3.3 Installation Requirements
This section describes the installation requirements for installing the AIR unit. For
a complete installation description, see Install Antenna Integrated Radio Units.
The AIR unit is only for outdoor use, and it can be installed either on a pole, on a
wall, on a mast, or on a tower.
Adhere to the following for safety and operation reasons: The mechanical design
of the AIR unit is based on environmental conditions that are equal to or
exceeding class 4.1 as specified in EN 300 019-1-4 and GR-3178-CORE and
thereby respects the static mechanical load imposed on an AIR unit by wind at
maximum velocity. Wind loads in this document are calculated with reference to
wind pressure. For more accurate results, the specific terrain information for
relevant sites and geographical area where the AIR unit will be installed must be
carefully analyzed, considered, and calculated according to EN 1991-1-4.
Pole clamps, brackets, mounting accessories and other installation material or
equipment specified by Ericsson in the AIR unit product information
documentation must be used and Ericsson installation instructions be complied
with. In addition, it must be observed that specific environmental conditions that
the AIR unit becomes exposed to, such as icing, heat, dust, dynamic stress (for
example, strain caused by oscillating support structures) or other environmental
conditions that exceed or otherwise deviate from the Environmental
Characteristics on page 17, can result in the breakage of an AIR unit or its
mounting accessories and even cause the AIR unit to fall to the ground.
These facts, information, and circumstances must be considered and properly
taken into account during the site planning process and adhered to for
installation and operation of the AIR unit. Ericsson expressly disclaims any
responsibility or liability arising out of failures in this regard.
3.3.1 Outdoor Installation Environments to Avoid
The AIR unit is designed for outdoor use but to ensure optimal operation, avoid
the following:
— Hot microclimates caused by, for example, heat radiated or reflected from
dark or metallic walls or floors
— Chimney mouths or ventilation system outlets
— Large glass or concrete surfaces
Avoid radio interference by keeping the area directly in front of the antenna clear
of the following:
— Metal surfaces or objects such as railings, ladders, or chains
— Equipment generating electromagnetic fields, for example, electric motors in
air conditioners or diesel generators
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— RBS equipment
Directional beams
AIR
No interfering objects
in front of the unit!
Ge13022B
3.3.2 Painting Disclaimer
Ericsson recommends to not paint the product as it can affect performance of the
product.
Ericsson applies limitations to the warranty and service contract if the product is
painted.
If the product is painted, the following commercial limitations apply:
— Failure modes directly related to overheating because of painting are not
valid for repair within the scope of the warranty or standard service contract.
— Product failures related to paint contamination of components of the unit are
not valid for repair within the scope of warranty or standard service contract.
— When a painted unit is repaired, it might be restored to the standard color
before being returned to the market. It is not possible to guarantee that the
same unit is sent back to the same place. This is also valid for units repaired
under a service contract.
— For repairs within the warranty period or a standard service contract, the
customer is charged the additional costs for replacing all painted parts of the
unit or the complete unit.
Technical Data
263/1551-LZA 701 6001/3 Uen C | 2020-05-28 13
If adaptations are required, contact Ericsson for information.
3.4 Installation Alternatives
Ge19094A
A B C D
Figure 5 Installation Method Alternatives
Table 9 Installation Alternatives
Installation Method Description
A Pole installation (pole with circular cross section)
B Wall installation
C Pole installation (pole with square cross section)
D Pole installation (pole with 90° angle cross section)
Table 10 Pole Mounting Range
Pole Circular Square 90° Angle
Minimum outer
dimension
Ø76 mm 50 × 50 mm 50 × 50 mm
Maximum outer
dimension
Ø120 mm 100 × 100 mm 100 × 100 mm
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1 2 3
Ge19096A
20 ° ~ 0 ° 
20 ° ~ 0 ° 
0 ° 30 ° 30 ° 
Figure 6 Tilt and Swivel Angle
Note: Mounting kit SXK 109 2036/1 supports swivel angle, and SXK 109
2037/1 supports both swivel and tilt angle.
3.5 Space Requirements
The AIR unit is installed with the cable connections facing down. Allow enough
free space below the AIR unit to ensure sufficient working space.
Technical Data
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Table 11 Space Requirements Between AIR Units or AIR Unit and Antenna
Installed Side by Side
Required Free Horizontal Space
0.1 m
Unit of measurement: m
Y
>0.3
>0.3
>0.1 >0.1
Ge16197A
A
IR
A
IR
/A
n
te
n
n
a
Heat
source
Figure 7 Space Requirements for AIR Unit
Distance Y depends on the heat dissipation from the source below the AIR as
well as the surrounding temperature. The distance must be big enough so that
the maximum operating temperature limit is not exceeded.
Table 12 Temperature Increase Due to Heat Source Below AIR at Different
Distances [degrees Celsius]
Distance Heat Dissipation from Source Below AIR
350 W 500 W 950 W 1200 W
0.2 m 1°C 3°C 5°C 6°C
0.3 m 0°C 1°C 3°C 4°C
0.5 m 0°C 0°C 2°C 3°C
Note: To ensure adequate airflow, do not enclose the AIR unit in a box-like
environment.
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3.6 Acoustic Noise
The AIR unit does not have active cooling components. It can emit low levels of
acoustic noise when operatingon low capacity.
The sound pressure level when operating on low capacity in LTE is lower than 28
dBA at 1-meter distance and hemispherical distribution, and 25 dBA for spherical
distribution.
3.7 Environmental Characteristics
This section contains operating environment data for the AIR unit.
3.7.1 Operating Environment
The following are the values for the normal operating environment of the AIR:
Temperature −40 to +55°C
Solar radiation ≤ 1,120 W/m²
Relative humidity 2% to 100%
Absolute humidity 0.26 to 40 g/m³
Maximum temperature change 1.0°C/min
Maximum wind load at 42 m/s (Pole
installed AIR unit)
1301 N (front)
298 N (lateral)
3.7.2 Heat Dissipation
The AIR is convection cooled and designed for outdoor installation.
Table 13 AIR Heat Dissipation
Unit Output Power (W) Maximum Heat
Dissipation (kW)
AIR 1641 B1a B3a 160 per Band 1.580
AIR 1641 B2/B25a
B66a
160 per Band 1.479
3.7.3 Vibration
This section describes how the AIR unit tolerates vibrations. The AIR unit
operates reliably during seismic activity as specified by test method IEC
60068-2-57 Ff.
Maximum level of RRS 50 m/s² within 2–5 Hz for DR=2%
Technical Data
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Frequency range 1–35 Hz
Time history signal Verteq II from earthquake standard
ATIS 0600329.2014
The AIR unit operates reliably during random vibration as specified by test
method IEC 60068-2-64.
Random vibration, normal operation:
ASD-level 0.3 m²/s³ on horizontal axes X and Y
0.2 m²/s³ on vertical axis Z
Frequency range 2–200 Hz
Time per test direction 30 minutes
The AIR unit operates reliably during shock as specified by test method IEC
60068-2-27 Ea.
Peak acceleration 40 m/s²
Duration 22 ms
3.7.4 Materials
All Ericsson products fulfill the legal, market, and Ericsson requirements
regarding the following:
— Material declaration
— Materials' fire resistance, components, wires, and cables
— Recycling
— Restricted and banned material use
3.8 Power Supply Characteristics
This section describes the power supply requirements, power consumption, and
fuse and circuit breaker recommendations for the AIR unit.
3.8.1 DC Power Supply Characteristics
The AIR unit supports both 3-wire (DC-I) and 2-wire (DC-C) power connections.
The following is a list of the power supply requirements:
Nominal Voltage −48 V DC
Operating Voltage Range −36.0 to −58.5 V DC
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Non-destructive Range 0 to −60 V DC
Fuse and Circuit Breaker Recommendations
The recommendations given in this section are based on peak power
consumption, and they give no information on power consumption during normal
operation.
The recommended melting fuse type is am-gL-gG, according to IEC 60269-1.
Circuit breakers must comply with at least Curve 3 tripping characteristics,
according to IEC 60947-2.
The AIR unit has a built-in Class 1 (Type 1) SPD to protect the equipment in case
of lightning and network transients. The recommended fuse or circuit breaker
rating is therefore dimensioned to not trip the fuse or circuit breaker in case of
SPD operation.
Table 14 AIR Unit Fuse and Circuit Breaker Recommendations
Unit (DC-
Powered)
Output Power Maximum Load
Current at −36 V
DC
Maximum
Allowed Fuse
Rating(1)
AIR 1641 160 W per band 50 A 60 A
 
(1) The maximum allowed fuse rating must (with a certain safety margin 10-20%) be larger than
the maximum load current for reliable operation. However, it must not be larger than the next
or nearest higher fuse or circuit breaker standard value in order to minimize the cable cross-
section area and at the same time fully comply with relevant safety standards.
 
3.8.2 Power Consumption
For information on power consumption, see Power Consumption Calculations.
3.9 System Characteristics
This section describes the system characteristics of the AIR.
3.9.1 RF Electromagnetic Field Exposure
For general information on RF EMF exposure, see Radio Frequency
Electromagnetic Fields.
Table 15 through Table 17 list the compliance boundaries (exclusion zones),
outside of which the RF EMF exposure from AIR 1641 is below the limits
specified by the ICNIRP, and the limits applicable in:
— EU (1999/519/EC, 2013/35/EU, EN 50385)
— USA (47 CFR 1.1310)
Technical Data
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— Canada (Health Canada Safety Code 6)
Information is provided for the theoretical maximum exposure condition and (for
some bands) for the actual maximum exposure condition (see IEC 62232). The
theoretical maximum exposure condition does not consider how the time-
averaged power is distributed within the scan range of the product and is very
conservative. The actual maximum exposure condition takes into account the
effects of beam scanning on the time-averaged power that contributes to the RF
exposure. A PRF of 0.32 was used to represent realistic deployment scenarios
(see IEC TR 62669).
Note: National regulations can prescribe requirements on the use of actual
maximum exposure conditions for RF EMF compliance assessments.
Table 15 Dimensions of the Box-Shaped Compliance Boundary for General Public (GP) and
Occupational (O) Exposure Applicable in the EU and Markets Employing the ICNIRP RF Exposure
Limits
Mode and Output Power for AIR 1641 Dimensions of the Box-Shaped Compliance
Boundary(1)(2) (m)
Distance
in Front
of AIR
Width Height Distance
Behind
AIR
Ban
d
Standa
rd
Maxim
um
Nomin
al
Output
Power
from
the AIR
IEC
62232
Installa
tion
Class
Power
Toleran
ce
Electric
al Tilt
(Degre
es)
Sector
Shape
Beam
Shape
Exp
osur
e
Con
ditio
n
GP O GP O GP O GP O
B1 +
B3
LTE 160 W
+ 160
W
E+ 2 dB 2 Macro Dual
Polariz
ed 65
The
oreti
cal
Max
imu
m
21.
8
9.8 18.
6
8.3 3.0 1.5 0 0
Custom
Macro
Beam
20.
6
9.2 16.
4
7.4 2.8 1.5 0 0
Macro
Narrow
Narrow
Beam
34.
0
15.
2
21.
5
9.6 4.6 2.1 0 0
Narrow
Beam 2
34.
9
15.
6
11.
6
5.2 4.7 2.1 0 0
Custom
Narrow
Beam
24.
7
11.
1
15.
9
7.1 3.4 1.5 0 0
Macro
Wide
Broad
Beam
17.
5
7.8 18.
4
8.3 2.4 1.5 0 0
Macro
2Lobe
Sectori
zed MB
6
19.
7
8.8 18.
1
8.1 2.7 1.5 0 0
TM9 Narrow
Beam
34.
0
15.
2
21.
9
9.8 4.6 2.1 0 0
TM9 Narrow
Beam
Actu
al
max
imu
m
(Po
wer
redu
ctio
20.
3
9.1 13.
1
5.9 2.8 1.5 0 0
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Mode and Output Power for AIR 1641 Dimensions of the Box-Shaped Compliance
Boundary(1)(2) (m)
Distance
in Front
of AIR
Width Height Distance
Behind
AIR
Ban
d
Standa
rd
Maxim
um
Nomin
al
Output
Power
from
the AIR
IEC
62232
Installa
tion
Class
Power
Toleran
ce
Electric
al Tilt
(Degre
es)
Sector
Shape
Beam
Shape
Exp
osur
e
Con
ditio
n
GP O GP O GP O GP O
n
fact
or of
0.32
)
7 Macro Dual
Polariz
ed 65
The
oreti
cal
Max
imu
m
21.
6
9.7 18.
6
8.3 6.3 2.9 0 0
Custom
Macro
Beam
20.
4
9.1 16.
4
7.4 6.0 2.7 0 0
Macro
Narrow
Narrow
Beam
33.
6
15.
0
21.
5
9.6 9.8 4.4 0 0
Narrow
Beam 2
34.
5
15.
5
11.
6
5.2 10.
1
4.5 0 0
Custom
Narrow
Beam
24.
4
10.
9
15.
9
7.1 7.2 3.2 0 0
Macro
Wide
Broad
Beam
17.
3
7.8 18.
4
8.2 5.1 2.3 0 0
Macro
2Lobe
Sectori
zed MB
6
19.
4
8.7 18.
1
8.1 5.7 2.6 0 0
TM9 Narrow
Beam
33.
6
15.
0
21.
9
9.8 9.8 4.4 0 0
TM9 Narrow
Beam
Actu
al
max
imu
m
(Po
wer
redu
ctio
n
fact
or of
0.32
)
20.
1
9.0 13.
1
5.9 5.9 2.7 0 0
12 Macro Dual
Polariz
ed 65
The
oreti
cal
Max
imu
m
21.
1
9.5 18.
6
8.4 10.
0
4.5 0 0
Custom
Macro
Beam
19.
9
8.9 16.
5
7.4 9.4 4.2 0 0
Macro
Narrow
Narrow
Beam
32.
8
14.
7
21.
7
9.7 15.
5
7.0 0 0
Narrow
Beam 2
33.
7
15.
1
11.
8
5.3 15.
9
7.1 0 0
Custom
Narrow
Beam
23.
8
10.
7
16.
0
7.2 11.
3
5.1 0 0
Technical Data
263/1551-LZA 701 6001/3 Uen C | 2020-05-28 21
Mode and Output Power for AIR 1641 Dimensions of the Box-Shaped Compliance
Boundary(1)(2) (m)
Distance
in Front
of AIR
Width Height Distance
Behind
AIR
Ban
d
Standa
rd
Maxim
um
Nomin
al
Output
Power
from
the AIR
IEC
62232
Installa
tion
Class
Power
Toleran
ce
Electrical Tilt
(Degre
es)
Sector
Shape
Beam
Shape
Exp
osur
e
Con
ditio
n
GP O GP O GP O GP O
Macro
Wide
Broad
Beam
16.
9
7.6 18.
4
8.2 8.0 3.6 0 0
Macro
2Lobe
Sectori
zed MB
6
18.
9
8.5 18.
2
8.2 8.9 4.0 0 0
TM9 Narrow
Beam
32.
8
14.
7
22.
1
9.9 15.
5
7.0 0 0
TM9 Narrow
Beam
Actu
al
max
imu
m
(Po
wer
redu
ctio
n
fact
or of
0.32
)
19.
6
8.8 13.
3
6.0 9.3 4.2 0 0
 
(1) The compliance boundaries are determined for maximum output power with power tolerance included, and for
theoretical maximum and actual maximum exposure conditions.
(2) The compliance boundaries are determined for 81% of the power allocated to traffic beams and 19% to the broadcast
beam. For actual maximum power conditions, the PRF of 0.32 was applied only to the power fraction allocated to
traffic beams.
 
Table 16 Dimensions of the Box-Shaped Compliance Boundary for General Public (GP) and
Occupational (O) Exposure Applicable in USA and Markets Employing the FCC RF Exposure Limits
Mode and Output Power for AIR 1641 Dimensions of the Box-Shaped Compliance
Boundary(1) (m)
Distance
in Front
of AIR
Width Height Distance
Behind
AIR
Ban
d
Standa
rd
Maxim
um
Nomin
al
Output
Power
from
the AIR
IEC
62232
Installa
tion
Class
Power
Toleran
ce
Electric
al Tilt
(Degre
es)
Sector
Shape
Beam
Shape
Exp
osur
e
Con
ditio
n
GP O GP O GP O GP O
B2/
B25
+
B66
LTE 160 W
+ 160
W
E+ 2 dB 2 Macro Dual
Polariz
ed 65
The
oreti
cal
Max
imu
m
21.
2
9.5 19.
3
8.6 2.8 1.9 0.2 0.2
Custom
Macro
Beam
20.
6
9.3 15.
6
7.0 2.8 1.9 0.2 0.2
Antenna Integrated Radio Unit Description
22 263/1551-LZA 701 6001/3 Uen C | 2020-05-28
Mode and Output Power for AIR 1641 Dimensions of the Box-Shaped Compliance
Boundary(1) (m)
Distance
in Front
of AIR
Width Height Distance
Behind
AIR
Ban
d
Standa
rd
Maxim
um
Nomin
al
Output
Power
from
the AIR
IEC
62232
Installa
tion
Class
Power
Toleran
ce
Electric
al Tilt
(Degre
es)
Sector
Shape
Beam
Shape
Exp
osur
e
Con
ditio
n
GP O GP O GP O GP O
Macro
Narrow
Narrow
Beam
34.
0
15.
2
20.
1
9.0 4.5 2.1 0.2 0.2
Narrow
Beam 2
35.
0
15.
7
10.
6
4.8 4.7 2.1 0.2 0.2
Custom
Narrow
Beam
24.
7
11.
1
14.
7
6.6 3.3 1.9 0.2 0.2
Macro
Wide
Broad
Beam
17.
5
7.9 18.
1
8.1 2.4 1.9 0.2 0.2
Macro
2Lobe
Sectori
zed MB
6
19.
3
8.7 16.
8
7.5 2.6 1.9 0.2 0.2
TM9 Narrow
Beam
34.
0
15.
2
20.
2
9.0 4.5 2.1 0.2 0.2
7 Macro Dual
Polariz
ed 65
20.
5
9.2 19.
1
8.6 8.7 3.9 0.2 0.2
Custom
Macro
Beam
19.
9
8.9 15.
5
6.9 9.3 4.2 0.2 0.2
Macro
Narrow
Narrow
Beam
32.
8
14.
7
20.
0
9.0 15.
3
6.9 0.2 0.2
Narrow
Beam 2
33.
7
15.
1
10.
5
4.7 15.
7
7.0 0.2 0.2
Custom
Narrow
Beam
23.
8
10.
7
14.
6
6.6 11.
1
5.0 0.2 0.2
Macro
Wide
Broad
Beam
16.
9
7.6 17.
8
8.0 7.9 3.5 0.2 0.2
Macro
2Lobe
Sectori
zed MB
6
18.
5
8.3 16.
7
7.5 5.4 2.5 0.2 0.2
TM9 Narrow
Beam
32.
8
14.
7
20.
1
9.0 15.
3
6.9 0.2 0.2
12 Macro Dual
Polariz
ed 65
18.
8
8.4 18.
1
8.1 11.
1
5.0 0.2 0.2
Custom
Macro
Beam
18.
3
8.2 14.
8
6.7 11.
9
5.4 0.2 0.2
Macro
Narrow
Narrow
Beam
30.
2
13.
5
19.
1
8.6 19.
7
8.8 0.2 0.2
Narrow
Beam 2
31.
0
13.
9
10.
2
4.6 20.
2
9.1 0.2 0.2
Custom
Narrow
Beam
21.
9
9.8 14.
0
6.3 14.
3
6.4 0.2 0.2
Macro
Wide
Broad
Beam
15.
5
7.0 16.
9
7.6 10.
1
4.6 0.2 0.2
Technical Data
263/1551-LZA 701 6001/3 Uen C | 2020-05-28 23
Mode and Output Power for AIR 1641 Dimensions of the Box-Shaped Compliance
Boundary(1) (m)
Distance
in Front
of AIR
Width Height Distance
Behind
AIR
Ban
d
Standa
rd
Maxim
um
Nomin
al
Output
Power
from
the AIR
IEC
62232
Installa
tion
Class
Power
Toleran
ce
Electric
al Tilt
(Degre
es)
Sector
Shape
Beam
Shape
Exp
osur
e
Con
ditio
n
GP O GP O GP O GP O
Macro
2Lobe
Sectori
zed MB
6
17.
0
7.6 16.
0
7.2 8.0 3.6 0.2 0.2
TM9 Narrow
Beam
30.
2
13.
5
19.
3
8.7 19.
7
8.8 0.2 0.2
 
(1) The compliance boundaries are determined for maximum output power with power tolerance included.
 
Table 17 Dimensions of the Box-Shaped Compliance Boundary for General Public (GP) and
Occupational (O) Exposure Applicable in Canada
Mode and Output Power for AIR 1641 Dimensions of the Box-Shaped Compliance
Boundary(1) (m)
Distance
in Front
of AIR
Width Height Distance
Behind
AIR
Ban
d
Standa
rd
Maxim
um
Nomin
al
Output
Power
from
the AIR
IEC
62232
Installa
tion
Class
Power
Toleran
ce
Electric
al Tilt
(Degre
es)
Sector
Shape
Beam
Shape
Exp
osur
e
Con
ditio
n
GP O GP O GP O GP O
B2/
B25
+
B66
LTE 160 W
+ 160
W
E+ 2 dB 2 Macro Dual
Polariz
ed 65
The
oreti
cal
Max
imu
m
30.
8
12.
5
27.
9
11.
3
4.1 1.9 0.2 0.2
Custom
Macro
Beam
29.
9
12.
1
22.
6
9.2 4.0 1.9 0.2 0.2
Macro
Narrow
Narrow
Beam
49.
3
20.
0
29.
2
11.
8
6.5 2.7 0.2 0.2
Narrow
Beam 2
50.
6
20.
5
15.
4
6.2 6.7 2.8 0.2 0.2
Custom
Narrow
Beam
35.
8
14.
5
21.
3
8.7 4.8 2.0 0.2 0.2
Macro
Wide
Broad
Beam
25.
3
10.
3
26.
2
10.
6
3.4 1.9 0.2 0.2
Macro
2Lobe
Sectori
zed MB
6
27.
9
11.
3
24.
3
9.9 3.7 1.9 0.2 0.2
TM9 Narrow
Beam
49.
3
20.
0
29.
2
11.
9
6.5 2.7 0.2 0.2
Actu
al
Max
imu
m
(Po
29.
5
12.
0
17.
5
7.1 3.9 1.9
Antenna Integrated Radio Unit Description
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Mode and Output Power for AIR 1641 Dimensions of the Box-Shaped Compliance
Boundary(1) (m)
Distance
in Front
of AIR
Width Height Distance
Behind
AIR
Ban
d
Standa
rd
Maxim
um
Nomin
al
Output
Power
from
the AIR
IEC
62232
Installa
tion
Class
Power
Toleran
ce
Electric
al Tilt
(Degre
es)
Sector
Shape
Beam
Shape
Exp
osur
e
Con
ditio
n
GP O GP O GP O GP O
wer
Red
ucti
on
Fact
or
0.32
)
7 Macro Dual
Polariz
ed 65
The
oreti
cal
Max
imu
m
29.
7
12.
0
27.
6
11.
2
12.
5
5.1 0.2 0.2
Custom
Macro
Beam
28.
8
11.
7
22.
4
9.1 13.
2
5.4 0.2 0.2
Macro
Narrow
Narrow
Beam
47.
5
19.
3
29.
0
11.
8
21.
8
8.9 0.2 0.2
Narrow
Beam 2
48.
8
19.
8
15.
3
6.2 22.
4
9.1 0.2 0.2
Custom
Narrow
Beam
34.
5
14.
0
21.
2
8.6 15.
9
6.5 0.2 0.2
Macro
Wide
Broad
Beam
24.
4
9.9 25.
8
10.
5
11.
2
4.6 0.2 0.2
Macro
2Lobe
Sectori
zed MB
6
26.
8
10.
9
24.
2
9.8 7.8 3.2 0.2 0.2
TM9 Narrow
Beam
47.
5
19.
3
29.
1
11.
8
21.
8
8.9 0.2 0.2
Actu
al
Max
imu
m
(Po
wer
Red
ucti
on
Fact
or
0.32
)
28.
4
11.
5
17.
4
7.1 13.
1
5.3 0.2 0.2
12 Macro Dual
Polariz
ed 65
The
oreti
cal
Max
imu
m
27.
3
11.
1
26.
2
10.
7
15.
9
6.5 0.2 0.2
Custom
Macro
Beam
26.
5
10.
8
21.
5
8.7 17.
2
7.0 0.2 0.2
Macro
Narrow
Narrow
Beam
43.
8
17.
8
27.
8
11.
3
28.
3
11.
5
0.2 0.2
Narrow
Beam 2
45.
0
18.
2
14.
7
6.0 29.
1
11.
8
0.2 0.2
Technical Data
263/1551-LZA 701 6001/3 Uen C | 2020-05-28 25
Mode and Output Power for AIR 1641 Dimensions of the Box-Shaped Compliance
Boundary(1) (m)
Distance
in Front
of AIR
Width Height Distance
Behind
AIR
Ban
d
Standa
rd
Maxim
um
Nomin
al
Output
Power
from
the AIR
IEC
62232
Installa
tion
Class
Power
Toleran
ce
Electric
al Tilt
(Degre
es)
Sector
Shape
Beam
Shape
Exp
osur
e
Con
ditio
n
GP O GP O GP O GP O
Custom
Narrow
Beam
31.
8
12.
9
20.
4
8.3 20.
6
8.4 0.2 0.2
Macro
Wide
Broad
Beam
22.
5
9.1 24.
5
9.9 14.
6
5.9 0.2 0.2
Macro
2Lobe
Sectori
zed MB
6
24.
7
10.
0
23.
3
9.4 11.
7
4.7 0.2 0.2
TM9 Narrow
Beam
43.
8
17.
8
28.
0
11.
4
28.
3
11.
5
0.2 0.2
Actu
al
Max
imu
m
(Po
wer
Red
ucti
on
Fact
or
0.32
)
26.
2
10.
6
16.
8
6.8 17.
0
6.9 0.2 0.2
 
(1) The compliance boundaries are determined for maximum output power with power tolerance included.
 
3.9.2 Software
For information on software dependencies, see Radio Software Support.
3.9.3 Radio Configurations
For information about available radio configurations, see RBS Configurations.
Antenna Integrated Radio Unit Description
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4 Hardware Architecture
This section describes the AIR unit hardware structure regardless of
configuration or frequency. For a description of the currently available radio
configurations, see Radio Node Configurations.
4.1 AIR Unit Parts
Ge19095B
E
D
B
A
C
Figure8 AIR Unit Parts
Table 18 AIR Unit Parts
Position Component
A Radome
B Grids for cooling, air inlet, and outlet
C Upper lifting point
D Lower lifting point
E Connection interfaces
Hardware Architecture
263/1551-LZA 701 6001/3 Uen C | 2020-05-28 27
4.2 Optical Indicators and Buttons
The AIR unit is equipped with optical indicators that show the system status. The
radio optical indicators are located under the maintenance cover.
For more information about the behavior of the optical indicators and the
maintenance button, see Indicators, Buttons, and Switches.
1 2 3 4
T
Ge13799E
A B C DE
Figure 9 Optical Indicators and Buttons
Table 19 Optical Indicators
Position Marking Indicator Color Mode Interpretation
A Fault Red Off No fault detected in unit
On Fault detected in unit
B Operational Green Off No power
On Operational
Flashing Slowly
(0.5 Hz)
Missing dependent resource
Flickering (16 Hz) Transitory activity
Double flashing
Off
Loading in progress
No ongoing traffic
Double flashing
On
Loading in progress
Traffic is ongoing
C Maintenance Blue Off No ongoing maintenance activity
Traffic is ongoing
On Maintenance mode
All traffic and alarms are suppressed
Flashing Slowly
(0.5 Hz)
Maintenance mode is initiated
When traffic and alarms are removed, the
indicator switches to On
D 1, 2,
 3, 4
Interface Green Off Disconnected
On Connected
Antenna Integrated Radio Unit Description
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Table 20 Buttons
Position Function Description
E Site test button Controls site test operation when DU is not
connected. For more information, see
Perform Basic Standalone Radio
Installation Check.
Hardware Architecture
263/1551-LZA 701 6001/3 Uen C | 2020-05-28 29
5 Connection Interfaces
Ge19097A
1 2 3 4
CBA D GFE
I
J
H
Figure 10 Connection Interfaces
Table 21 Connection Interfaces
Position Description Marking Connector
Types
Cable Illustration
A Support unit/EC light
interface
DIN 14 female
connector
B Site test button – – –
C Optical indicators
 , , ,
 1, 2, 
3, 4
– –
D CPRI 1 1 LC (On SFP) with
support for FullAXS
E CPRI 2 2
F CPRI 3 3
G CPRI 4 4
Antenna Integrated Radio Unit Description
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Position Description Marking Connector
Types
Cable Illustration
H Grounding point 2 × 6 mm dual lug
I −48 V DC power supply −48V Power connector
J TX Monitor SMA female connector
5.1 Grounding Interface
The AIR unit must be grounded to protect it from overvoltage and lightning
strikes. The grounding interface on the AIR unit shall have a 2 × 6 mm dual lug on
a coated cable.
For more information about grounding principles, see Grounding Guidelines for
RBS Sites.
5.2 −48 V DC Power Supply Interface
The −48 V DC power connection is made through a connector with a 3-wire (DC-
I) connection or a connector with a 2-wire (DC-C) connection.
For power cable dimensioning, see Site Installation Products Overview.
For determining which connector or junction box to use, see Table 22.
Table 22 −48 V DC Power Supply Connector or Junction Box
Cross-Sectional Area of Each
Conductor (mm²)
Connector or Junction Box
10–16(1) Used with connector RNT 447 36/01 (3-
wire (DC-I)) or RNT 447 37/01 (2-wire
(DC-C))
Connection Interfaces
263/1551-LZA 701 6001/3 Uen C | 2020-05-28 31
Cross-Sectional Area of Each
Conductor (mm²)
Connector or Junction Box
25 Used with junction box NTB 101 75/1
 
(1) Supported cable range for AIR 1641
 
The power cable conductor has a wire for both the 0 V conductor and a wire for
the −48 V DC conductor.
All cables must be shielded. The shielding must be properly connected both to the
power connector and to the grounding in the power supply equipment; otherwise,
the AIR unit over voltage and lightning protection does not function properly.
5.3 Optical Cable Interface
The optical cable interfaces provide connections to optical cables for traffic and
timing signals between the AIR and a Baseband unit. An SFP is used to connect
the optical cable to the AIR.
The AIR uses SFP modules for optical transmission and optical radio interfaces
on the data ports.
Only use SFP modules approved and supplied by Ericsson. These modules fulfill
the following:
— Compliance with Class 1 laser product safety requirements defined in
standard IEC 60825-1.
— Certification according to general safety requirements defined in standard
IEC 62368-1.
— Functional and performance verified to comply with RBS specifications.
Recommended SFP modules are obtained from the product packages for the RBS
and the Main Remote Installation products. For more information, see Spare
Parts Catalog and Site Installation Products Overview.
5.4 Support Unit Interface
The support unit port delivers communication signals and alarms between the
optional PSU and the AIR.
5.5 Optical Indicators
Optical indicators show the system status. For more information about the
optical indicators, see Indicators, Buttons, and Switches.
Antenna Integrated Radio Unit Description
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5.6 TX Monitor Interface
The TX monitor interfaces provide the monitoring for the output power and
performance.
Connection Interfaces
263/1551-LZA 701 6001/3 Uen C | 2020-05-28 33
6 Standards and Regulations
This section presents a brief overview of standards, regulatory product approval,
and declaration of conformity for the radio.
Declaration of Conformity
"Hereby, Ericsson AB, declares that this product is in compliance with the
essential requirements and other relevant provisions of Directive 2014/53/EU
and 2011/65/EU."
FCC Compliance Statement
"This device complies with Part 15 of the FCC CFR 47 rules and CAN ICES-3 (B)/
NMB-3(B). Operation is subject to the following two conditions: This device may
not cause harmful interference. This device must accept any interference
received, including interference that may cause undesired operation."
6.1 Regulatory Approval
The product complies with the following market requirements:
— European Community (EC) market requirements, Radio Equipment Directive
2014/53/EU and Directive 2011/65/EU.
— The apparatus may include Radio Transceivers with support for frequency
bands not allowed or not harmonized within the EC.
— North American market requirements
— Products containing radio Equipment outside North America and in countries
not recognizing the CE-mark may be labeled according to national
requirements or standards.
6.1.1 Environmental Standards Compliance
The product complies with the following environmental standard:
Europe
— Restriction of Hazardous Substances in Electrical and Electronic Equipment
(RoHS) Directive (2011/65/EU)
Antenna Integrated Radio Unit Description
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6.1.2 Safety Standards Compliance
In accordance with market requirements, the product complies with the following
product safety standards and directives:
International
— IEC 60950-1
— IEC 62368-1
Europe
— EN 50385
— EN 60950-1
— EN 62368-1
North America
— FCC CFR 47 Part 1.1310
— IC RSS-102
— UL 62368-1
— CAN/CSA-C22.2 No. 62368-1
— Health Canada Safety Code 6
6.1.2.1 Outdoor Specific Requirements
The product complies with the following outdoor specific requirements:
International
— IEC 60529 (IP65)
— IEC 60950-22
Europe
— EN 60529 (IP65)
— EN 60950-22
Standards and Regulations
263/1551-LZA 701 6001/3 Uen C | 2020-05-28 35
North America
— UL 50E Type 3 Enclosure
— UL 60950-22
— CAN/CSA-C22.2 No. 60950-22
6.1.3 EMC Standards Compliance
The product complies with the following Electromagnetic Compatibility (EMC)
standards:
International
— 3GPP TS37.114
Europe
— ETSI EN 301 489-1
— ETSI EN 301 489-50
North America
— FCC CFR 47 Part 15 B
— IC ICES-003
6.1.4 Radio Standards Compliance
The product complies with the following radio standards:
International
— 3GPP TS36.104
— 3GPP TS36.141
— 3GPP TS37.104
— 3GPP TS37.141— 3GPP TS37.105
— 3GPP TS37.145-1
— 3GPP TS37.145-2
Antenna Integrated Radio Unit Description
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Europe
— ETSI EN 301 908-1
— ETSI EN 301 908-14
— ETSI EN 301 908-18
North America
— FCC CFR 47 Part 2 (USA)
— FCC CFR 47 Part 24 and 27 (USA frequency dependent)
— FCC CFR 47 Part 30 (USA)
— IC RSS-133 and 139 (Canada frequency dependent)
— IC RSS-Gen (Canada)
Note: For Canada, AIR 1641 B2/B25a B66a is only licensed to operate in the
B66A spectrum block.
6.1.5 Marking
To show compliance with legal requirements, the product is marked with the
following labels:
Europe
— CE mark
North America
— cETLus
— FCC CFR 47 Part 15 Statement
— FCC ID Number
— ISED IC ICES-003 Compliance statement: CAN ICES-3 (B)/NMB-3(B)
— ISED IC Certification Number and HVIN
6.2 Other Standards and Regulations
The standards and regulations in this section are not regulatory approved.
Standards and Regulations
263/1551-LZA 701 6001/3 Uen C | 2020-05-28 37
6.2.1 Spare Parts
The product adheres to the Ericsson Serviceability and Spare Part Strategy.
6.2.2 Surface Quality
The surface quality of the AIR units is according to Ericsson standard class A3.
6.2.3 Vandal Resistance
Unauthorized access is not possible without damaging the tamper proof
warranty seal.
Antenna Integrated Radio Unit Description
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	Trademark Information
	Contents
	1. Introduction
	1.1 Warranty Seal
	2. Product Overview
	2.1 Main Features
	2.2 Required Installation Equipment
	3. Technical Data
	3.1 EIRP Data
	3.1.1 Traffic Beams
	3.1.2 Broadcast Beams
	3.2 Physical Characteristics
	3.3 Installation Requirements
	3.3.1 Outdoor Installation Environments to Avoid
	3.3.2 Painting Disclaimer
	3.4 Installation Alternatives
	3.5 Space Requirements
	3.6 Acoustic Noise
	3.7 Environmental Characteristics
	3.7.1 Operating Environment
	3.7.2 Heat Dissipation
	3.7.3 Vibration
	3.7.4 Materials
	3.8 Power Supply Characteristics
	3.8.1 DC Power Supply Characteristics
	3.8.2 Power Consumption
	3.9 System Characteristics
	3.9.1 RF Electromagnetic Field Exposure
	3.9.2 Software
	3.9.3 Radio Configurations
	4. Hardware Architecture
	4.1 AIR Unit Parts
	4.2 Optical Indicators and Buttons
	5. Connection Interfaces
	5.1 Grounding Interface
	5.2 −48 V DC Power Supply Interface
	5.3 Optical Cable Interface
	5.4 Support Unit Interface
	5.5 Optical Indicators
	5.6 TX Monitor Interface
	6. Standards and Regulations
	6.1 Regulatory Approval
	6.1.1 Environmental Standards Compliance
	6.1.2 Safety Standards Compliance
	6.1.2.1 Outdoor Specific Requirements
	6.1.3 EMC Standards Compliance
	6.1.4 Radio Standards Compliance
	6.1.5 Marking
	6.2 Other Standards and Regulations
	6.2.1 Spare Parts
	6.2.2 Surface Quality
	6.2.3 Vandal Resistance