Fujitsu 5GRUDB3 User manual

Dual-Band
Radio Unit
Release 1.0
Issue 1.1, May 2021
User Guide
Fujitsu and Fujitsu Customer Use Only shaping tomorrow with you

Contents
1 Overview p. 16
2 RU Hardware Feature p. 18
2.1 RU Prole p. 19
2.2 RU Specications p. 20
2.2.1 Environmental Specications p. 23
2.2.2 Transport and Storage Requirements p. 24
2.2.3 Product Safety Specication p. 24
2.2.4 Electromagnetic Compatibility p. 25
Conducted Emission p. 25
Radiated Emission p. 25
Immunity Performance p. 25
Immunity Specication p. 25
Radiated Immunity p. 26
Electric Discharge p. 26
Fast Transients Common Mode p. 26
RF Common Mode p. 27
Resistability of Lightning p. 27
2.3 RU Downlink/Uplink Default Parameters p. 28
2.4 Antenna Conguration p. 29
2.5 Carrier Conguration p. 31
2.6 Functional Block Diagram p. 53
2.7 External Interface p. 55
2.7.1 RF Ports p. 55
2.7.2 Optical Port p. 55
2.7.3 DC Power and Ground Ports p. 56
2.7.4 RET Port p. 57
2.7.5 Debug/Test Port p. 58
2.7.6 Maintenance Interface p. 58
2.8 TX Control Function p. 61
2.9 Performance Requirement p. 63
2.9.1 eCPRI p. 63
Line Bit Rate p. 63
Selecting Recovery Clock p. 63
Counter p. 64
Optical Module p. 64
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Release 1.0 · Issue 1.1, May 2021 Fujitsu and Fujitsu Customer Use Only

2.9.2 Radio Performance p. 64
General Specications p. 65
Transmier Specication p. 66
Receiver Specication p. 74
2.9.3 Power Supply p. 78
Electrical Specications p. 79
DC Power Specication p. 79
3 Ordering Information p. 80
3.1 Radio Unit p. 81
3.2 Mounting Kits p. 82
3.3 Accessories p. 83
4 Installation p. 84
4.1 Unpack p. 85
4.2 Mounting p. 86
4.3 Installation Precautions p. 92
4.4 Returning of Defective Equipment p. 94
4.5 RU Installation p. 95
4.5.1 Installation Prerequisites p. 95
4.5.2 Aach L-Brackets and Eye Bolts p. 96
4.5.3 Aach RU Mounting Adapter Plate p. 97
4.5.4 Aach RU to Pole p. 99
4.5.5 Aach RU to Wall p. 105
4.6 Cable Installation p. 112
4.6.1 Connect Frame Ground Cable p. 112
4.6.2 Connect eCPRI Optical Cable p. 114
4.6.3 Connect AISG Cables p. 120
4.6.4 Connect RF Cables p. 121
4.6.5 Connect DC –48 V Power Cable p. 123
5 Power Up p. 126
5.1 Check Connections and DC Power Polarity p. 128
5.2 Apply Power to RU p. 129
5.3 Check LED Status p. 130
5.4 LED Display p. 131
5.5 Verify Alarm Status p. 133
5.6 RU Conrmation p. 134
6 Maintenance and Trouble Clearing p. 135
6.1 RU Alarms p. 136
6.2 Replace RU Mounted on Pole p. 140
6.3 Replace RU Mounted on Wall p. 144
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7 Removal p. 150
7.1 Cable Removal p. 151
7.1.1 Disconnect Power Cable p. 151
7.1.2 Remove RF Cables p. 152
7.1.3 Remove AISG Cable p. 152
7.1.4 Remove Optical Cable p. 153
7.1.5 Remove SFP Module p. 154
7.1.6 Detach Frame Ground Cable p. 155
7.2 Detach RU From Pole p. 157
7.3 Detach RU from Wall p. 160
7.4 Detach RU Mounting Adapter Plate p. 164
7.5 Remove L-Brackets and Eye Bolts p. 166
A References p. 168
B ZTP Overview p. 170
C Optical Connector Cleaning p. 173
C.1 LC End Surface Cleaning p. 175
C.2 End Surface Cleaning In LC p. 177
D Weatherproong RU Connections p. 178
E Glossary p. 179
Index p. 182
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Release 1.0 · Issue 1.1, May 2021 Fujitsu and Fujitsu Customer Use Only

About this Guide
Intended Audience: is user guide is intended for personnel responsible for installation and operations of this Dual-Band (n70 and n66)
Radio Unit (RU).
is document contains hardware specications, ordering information, and procedures for installing, removing, and maintaining the RU.

Contact Information
Knowledge Creation
For comments or suggestions about this documentation, contact us at:
Email: [e-mail]
Product documentation is available on the Fujitsu Partners website, hps://partners.fnc.fujitsu.com/documentation.
Technical Assistance Center
For technical assistance, contact the Fujitsu Technical Assistance Center (FTAC) at:
Phone: 1-800-USE-FTAC (1-800-873-3822)
Knowledge Delivery
For information about training services, contact Educational Services at:
Fujitsu Training Center
2801 Telecom Parkway
Richardson, Texas 75082
Phone: [phone]
Training inquiries and requests, email: [e-mail]
Class registration through the Fujitsu Partners website: hps://partners.fnc.fujitsu.com/training
Sales
is documentation is supplied as a service to our customers. For sales and general information, contact us at:
Phone: [phone]-FAST (1-800-777-3278)

Trademarks and Disclaimers
Trademarks
FUJITSU (and design)®and “shaping tomorrow with you” are
trademarks of Fujitsu Limited in the United States and other
countries. All Rights Reserved.
Torx®, is a registered trademark of Acument Intellectual
Properties, LLC in the United States or other countries.
General Disclaimers
Note: All other products or services mentioned in this document are by the trademarks, service marks, or product names as designated
by the companies that market those products or services or own those marks. Inquiries concerning such products, services, or marks
should be made directly to those companies.
Fujitsu and Fujitsu Customer Use Only: is document and its contents are provided by Fujitsu Network Communications Inc. for
guidance purposes only. is document is provided “as is” with no warranties or representations whatsoever, either express or implied,
without notice, to make including without limitation the implied warranties of merchantability and for purpose. Fujitsu Network
Communications Inc. does not warrant or represent that the contents of this document are error free. Furthermore, the contents of this
document are subject to update and change at any time without notice by Fujitsu Network Communications Inc., since it reserves the
right, changes in equipment design or components as progress in engineering methods may warrant. No part of the contents of this
document may be copied, or otherwise reproduced without the express wrien consent of Fujitsu Network Communications Inc.

Compliance Information
FCC
is device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) is device may not cause
harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
When the device is so small or for such use that it is impracticable to label it with the statement specied under paragraph (a) of this
section in a font that is four-point or larger, and the device does not have a display that can show electronic labeling, then the information
required by this paragraph shall be placed in the user manual and must also either be placed on the device packaging or on a removable
label aached to the device.
is equipment has been tested and found to comply with the limits for Class B digital devices, pursuant to Part 15 of the FCC Rules. ese
limits are designed to provide reasonable protection against harmful interferences when the equipment is operated in a commercial
environment. is equipment generates, uses, and can radiate radio energy and if not installed in accordance with the instruction manual,
may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the
equipment o and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or
relocate the receiving antenna; increase the separation between the equipment and receiver; consult the dealer or an experienced radio
technician for help. Operation of this equipment in a residential area is likely to cause harmful interference, which the user is required to
correct at his/her expense.
Class B Emission Limits
Standards for Class B Emission limits for North America as follows:
FCC Part 15, Class B (U.S.A.)
Product Safety Regulatory Standards
Product safety regulatory standards as follows:
■UL-cUL Listed at 45°C ambient to UL62368-1
■UL-cUL Listed UL60950-22
■UL 50E (Enclosures for Electrical Equipment, Environmental Considerations)
■CAN/CSA C22.2 No. 62368-1
■47 CFR Part 1.130, RF Radiation Exposure
■47 CFR Part 15B, Unintentional Radiation
■47 CFR Part 27, Wireless Communications Services
■47 CFR Part 90, Private Land Mobile Radio Services
■21 CFR Chapter 1, Subchapter J, Class 1 Laser Product
UL Label
FNC001631_Rev_01

Important Warnings and Cautions
Observe all warnings in the text or on equipment labels regarding
high-voltage or high-temperature conditions. e following
warnings and gures apply to most Fujitsu products.
Respectez tous les avertissements dans le texte ou sur les étiquees
de l'équipement concernant les conditions de haute tension ou de
haute température. Les avertissements suivants et les chires
s'appliquent à la plupart des produits Fujitsu.
ESD Cautions Précautions ESD
Units are stamped with the following anti-electrostatic markings.
Observe the following precautions to avoid damage from ESD:
Les appareils portent les marquages anti-électrostatiques suivants.
Observez les précautions suivantes pour éviter les dommages dus
aux décharges électrostatiques:
▪Always transport and store the unit in an ESD approved shipping
bag.
▪Transportez et stockez toujours l'appareil dans un sac
d'expédition approuvé ESD.
▪Always wear an ESD wrist strap, with a minimum 1-megohm
resistance, that is connected to safety ground. Do not use a
damaged wrist strap.
▪Portez toujours un bracelet antistatique, avec une résistance
minimale de 1 mégohm, qui est connecté à la terre de sécurité.
N'utilisez pas un Dragonne.
ATTENTION
OBSERVE PRECAUTIONS
FOR HANDLING
ELECTROSTATIC
SENSITIVE
DEVICES
Figure 1
Anti-Electrostatic Markings

Table 1
RF Safety
Safety Warning Alerte de Sécurité
RADIO FREQUENCY ENVIRONMENT
AREA, RADIO FREQUENCY FIELDS MAY
EXCEED THE FCC GENERAL HUMAN
EXPOSURE LIMIT .
Personnel proceeding beyond this point must
obey all posted signs, site guidelines, and
Federal Regulations for working in radio
frequency environments in accordance with
Federal Regulations on frequency emissions.
BEYOND THIS POINT:
FNC001587_Rev_01
Locations where RF eld levels may exceed the FCC Maximum
Permissible Exposure limits for General Population/Uncontrolled
exposure but are denitely below the FCC MPE limits for
Occupational/Controlled exposure.
Tout site ou l’intensité des fréquences radio (RF) peuvent excéder
l’intensité maximale générale permise par le FCC pour une
exposition non contrôlée et simultanément être inferieure a la
limite maximale d’exposition permise (MPE) du FCC en regard de
l’exposition professionnelle contrôlée.
BEYOND THIS POINT:
RADIO FREQUENCY FIELDS AT THIS
SITE MAY EXCEED THE FCC RULES
FOR HUMAN EXPOSURE.
For your safety, obey all posted signs and site
guidelines for working in radio frequency
environments in accordance with Federal
Regulations on frequency emissions.
FNC001588_Rev_01
Locations where RF eld levels in some areas of the site may exceed
the FCC MPE limits for Occupational/Controlled exposure.
Tout site, en tout ou en partie, où l’intensité des fréquences radio
(RF) peuvent excéder la limite maximale d’exposition permise
(MPE) du FCC en regard de l’exposition professionnelle contrôlée.

Table 1 (Cont.)
RF Safety
Safety Warning Alerte de Sécurité
BEYOND THIS POINT RADIO FREQUENCY
FIELDS EXIST THAT EXCEED THE FCC
RULES FOR HUMAN EXPOSURE.
Failure to obey all posted signs and site
guidelines for working in radio frequency
environments in accordance with Federal
Regulations on frequency emissions could
result in serious injury. Consult the site
radiation folder before accessing this area.
NON-IONIZING RADIATION:
FNC001589_Rev_01
e strong language used on this sign is designed to mark areas
with very high RF eld levels. is sign is rarely needed to mark
ground-level sites. No access should be allowed into areas marked
by this sign unless power has been reduced or the transmier has
been shut o.
L’intention de cette mise en garde est d’indiquer les endroits sujet
a des fréquences radio de haute intensité. Cette mise en garde est
rarement requise au niveau du sol. Tout site en présence de cet
avertissement ne devrait pas être accédé par le personnel avant
de s’assurer que le transmetteur radio est complètement désactivé
ou que l’intensité du signal radio transmis a été réduis à des
niveaux acceptables.
Warnings
Fiber Warnings Avertissements de Fibre
Danger: Never handle exposed ber with your bare hands or touch
it to bare skin. Fiber fragments can enter the skin and are dicult to
detect and remove.
Danger: Ne jamais manipuler une bre exposée à mains nues et
ne jamais la faire entrer directement en contact avec une partie du
corps. Des fragments de bre peuvent pénétrer la peau et leur
détection et extraction sont extrêmement dicile.
Laser Safety Precautions Avertissements Relié au Laser
RUs consist of IEC/EN 60825-1 Class 1 optical interface units. RUs contient des interfaces optiques basées sur des lasers de
IEC/EN 60825-1 Classe 1.
CLASS 1
LASER PRODUCT
INVISIBLE LASER RADIATION
DO NOT VIEW DIRECTLY
WITH OPTICAL INSTRUMENTS
CLASS 1 LASER PRODUCT
FNC000895_Rev_02

Laser Safety Precautions Avertissements Relié au Laser
e RU is compliant with IEC/EN 60825-1:2007 & 2014.
e RUs consist of IEC/EN 60825-1, Hazard Level 1 Optical interface
units.
RU est conforme aux normes IEC/EN 60825-1:2007 & 2014.
RUs est constitué de modules d’interface optique compatibles
avec la norme de sécurité IEC/EN 60825-1, niveau 1.
HAZARD LEVEL 1 LASER RADIATION
DO NOT VIEW DIRECTLY WITH
NON-ATTENUATING OPTICAL INSTRUMENTS
RISQUE DE RAYONNEMENT LASER DE NIVEAU 1
NE PAS REGARDER DIRECTMENT SANS
INSTRUMENTS OPTIQUES ATTÉNUANTS
HAZARD LEVEL 1
LASER PRODUCT
FNC000896_Rev_01
Danger: e RUs generate invisible laser radiation. Observe the
following precautions:
Danger: RUs génèrent du rayonnement laser invisible. Veuillez
toujours observer les précautions suivantes:
▪Avoid direct exposure to the beam. ▪Eviter toute exposition directe au rayon.
▪Never look into the end of a ber, ber cable, or ber pigtail.
Permanent eye damage or blindness can occur quickly when
laser radiation is present.
▪Ne jamais regarder dans l'extrémité ouverte d'une optique ou
dans son connecteur. La présence, meme tres brève, d'un signal
optique invisible peux engendrer des dommages permanent à
l'oeil et à la vision.
▪Viewing the laser output with certain optical instruments
designed for use at a distance (for example, telescopes and
binoculars) may pose an eye hazard.
▪L'observation du signal laser avec certains instruments optiques
conçus pour l'observation à longue distance (par exemple, les
téléscopes et les jumelles) peuvent causer des dommages
sévères à l'oeil et à la vision.
▪Use of controls, adjustments, or procedures other than those
specied may result in hazardous laser radiation exposure.
▪L'application de procédures, calibration ou ajustements autres
que celles dans ce manuel peuvent causer une exposition
dangereuse aux radiations optiques transmises par cet
équipement.
Installation Restrictions Restrictions d’Installation
e following guidelines apply to the installation of this equipment: Les mesures de sécurité suivantes s'appliquent lors de l'installation
de cet équipement:
▪Equipment is intended for installation in Restricted Access Area in
accordance with the National Electrical Code, ANSI/NFPA 70.
▪Les matériels sont destinés à être installés dans des
EMPLACEMENTS À ACCÈS RESTREINT conforme au Code
Electrique Canadian (CEC) Partie 1 CAN/CSA C22.1.
▪A suitable disconnect device must be provided for the equipment.
Caution: To de-energize the equipment, all input power circuits
(−48 V DC baery) must be removed prior to maintenance/
servicing or upgrading.
▪Cet équipement devrait être accompagne d’un dispositif ad
équat de d é connection. Avertissement: S'assurer que toute
source d'alimentation électrique, sous la forme de batterie ou
courant direct a −48 V DC ou les deux cordons, est proprement
d é connect é e avant d'entreprendre toute op é ration de
maintenance sur l' équipement.
▪Circuits Overloading—Consideration should be given to the
connection of the equipment to the supply circuit and the eect
that overloading of the circuits might have on overcurrent
protection and supply wiring. Appropriate consideration of
equipment nameplate ratings should be used when addressing
this concern.
▪Surcharge de Circuits—L'installation de l'équipement doit
prendre en consideration le risque et l'impact d'une surcharge
électrique sur le circuit d'alimentation et le dispositif de
protection de surcharge de courant. Veuillez considérer les
directives de classication électrique fournies sur l'étiquette
d'identication de l'équipement.

Installation Restrictions Restrictions d’Installation
▪Reliable Earthing—Reliable earthing of the equipment should be
maintained. Particular aention should be given to supply
connections other than direct connections to the branch circuit
(for example, use of power strips).
▪Mise à la terre able: mise à la terre able de l'équipement doit
être maintenu. Une attention particulière doit être accordée les
connexions d'alimentation autres que les connexions directes à
la branche circuit (par exemple, utilisation de multiprises).
▪Use UL Listed Lugs suitable for the wire size and bolt paerns/
size.
▪Utilisez seulement des écrous et terminaisons approuvées par
Underwriters Laboratoire (UL) qui sont compatibles avec les ls
d’alimentation ainsi que la grosseur et le letage des boulons
utilisés avec cet équipement.
▪Use copper conductors only for power circuits. ▪Utilisez des conducteurs en cuivre pour les circuits
d’alimentation.
▪e unit must be connected to a reliable earth (grounded) to
comply with international safety standards and the NEC. use 2ea.
M8 type screws to mount the safety ground wire (6AWG).
▪L'unité doit être connectée à une terre able (mise à la terre)
pour se conformer aux normes de sécurité internationales et au
NEC. utilisez 2ea. Vis de type M8 pour monter le l de terre de
sécurité (6AWG).
▪A 50A branch circuit protection is required when installed per the
NEC.
▪Une protection de circuit de dérivation de 50 A est requise une
fois installée.
▪is equipment is not suitable for use in locations where children
are likely to be present.
▪Cet équipement ne convient pas pour une utilisation dans des
endroits où des enfants sont susceptibles d'être présents.
▪is will connect to an Ethernet network with outside plant
routing.
▪Cet équipement pas susceptibles de se connecter à un réseau
Ethernet avec le routage des installations extérieures.
▪For the AISG cable - CM3 minimum requirement for the AISG
cable.
▪Pour le câble AISG - Exigence minimale CM3 pour le câble AISG.
Flammable Liquids Warning Mise en Garde Concernant les Liquides Inammables
Danger: Do not use ammable liquids or sprays around
telecommunications equipment. Electrical fan motors and other
potential ignition sources within the equipment might ignite the
ammable material and cause personal injury or damage to the
equipment. If uncertain about whether a liquid or spray is
ammable, contact the manufacturer.
Danger: Ne pas utiliser de liquides ou aérosols volatiles près de
l'équipement de télécommunication. Les ventilateurs électriques
ainsi que d'autres sources d'allumage à l'intérieur de l'équipement
pourraient enammer les liquides ou aérosols et causer des
blessures corporelles ou du dommage a l'équipement. Veuillez
consulter le fabricant de tout liquide ou aérosols utilise près de
l'équipement si vous êtes incertains de son degré
d'inammabilité.

Proper Disposal Procedures for Information Technology Equipment within EU
All electrical and electronic equipment or units must be disposed of in accordance with European Directive
2012/19/EU for Waste Electrical and Electronic Equipment (WEEE).
Network communications or commercial equipment customers can dispose of Fujitsu equipment by
contacting the Fujitsu regional oce in their country. Customers can locate regional oces at hp://
www.fujitsu.com/global/.
Fujitsu will ensure the proper recycling, reuse, and other forms of recovery of WEEE. Potential hazardous
substances in WEEE can harm the environment. You can contribute to the elimination of these eects through
your cooperation.
Additional WEEE disposal information may be found at hp://www.fujitsu.com/global/about/environment/
approach/policy/.
General Terms and Conditions of Sale Notice
Use of the soware or documentation is subject to the General Terms and Conditions of Sale (GENTS) in eect between Fujitsu and the
customer at the time the customer accesses, downloads, or installs the soware. If no GENTS are in eect, use of the soware or
documentation is subject to the terms posted at hp://responder.fnc.fujitsu.com/gents/reseller/index.htm. If you do not agree with terms
and conditions, Fujitsu is unwilling to grant a license to use the soware, and you should promptly return the soware and all
accompanying items for a full refund of money paid.

Document Change Notice
Issue 1.1
Location of Change Description of Change
roughout ■Added warnings about maximum power input level
■Updated graphics to adhere to internal standards
Issue 1
Location of Change Description of Change
roughout ■Initial release

1
Overview
Fujitsu’s Radio Unit (RU) is compliant with the ORAN interface specications supporting the 7.2x split network
conguration. e RU supports Open Radio Access Network (ORAN) interface. e RU comes equipped with one
10G eCPRI optical interface port to communicate with the Distributed Unit (DU) for fronthaul network interfacing.
is compact, multi-band, multi-technology RU provide a standard open interface to other ORAN compliant
vendor CU/DU, EMS, EPC and OSS products. Furthermore, the RU also supports the specications set out in 3GPP
Release 15.
e following gure shows how the RU connects to the DU using the eCPRI optical port.
RU
Radio Unit (RU)
Connects to Antenna
Core Network
DU
Distributed Unit (DU)
CU
Centralized Unit (CU)
Midhaul
Fronthaul
eCPRI Optical Line (ORAN Split 7.2x)
Backhaul
FNC001598_Rev_02
Figure 2
RU Connections Overview
Overview
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e RU has the following features:
■Four antenna ports shared across frequency bands
■Supports 4 x 40 W for Band 70 and 4 x 60 W for Band 66, with maximum output power of 320 was
■One 10G eCPRI port for Distributed Unit (DU) communication, one Remote Electrical Tilt (RET) port, and one
DC power port, as external interfaces
■ORAN Opt 7.2x
■eCPRI
■3GPP Release 15 (upgradable to Release 16)
■Soware Download (SWDL)
■Zero Touch Provisioning
■IPv4 and IPv6 support
■Downlink Carrier Aggregation (CA)
Overview
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2
RU Hardware Feature
In this chapter:
2.1 RU Prole
2.2 RU Specications
2.3 RU Downlink/Uplink Default Parameters
2.4 Antenna Conguration
2.5 Carrier Conguration
2.6 Functional Block Diagram
2.7 External Interface
2.8 TX Control Function
2.9 Performance Requirement
RU Hardware Feature
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2.1
RU Prole
e following gure shows the dierent prole views of the RU.
FRONT REAR SIDE
BOTTOM
FNC001594_Rev_01
Figure 3
RU Prole Views
RU Hardware Feature
RU Prole
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2.2
RU Specications
In this section:
2.2.1 Environmental Specications
2.2.2 Transport and Storage Requirements
2.2.3 Product Safety Specication
2.2.4 Electromagnetic Compatibility
Table 2
RU General Specications
Item Specication
Frequency band Band 70
UL: 1695…1710 MHz
DL: 1995…2020 MHz
(DL/UL Gap=285 MHz)
Band 66
UL: 1710…1780 MHz
DL: 2110…2200 MHz
(DL/UL Gap=330 MHz)
Antenna conguration 4T4R, 4 x 40 W 4T4R, 4 x 60 W
Total power: 320 W
Refer to Antenna Conguration.
Carrier conguration LTE: 5, 10, 151, 20, 25 MHz BW LTE: 5, 10, 15, 20 MHz BW
Up to 2 carriers
Refer to Carrier Conguration.
Up to 3 carriers
Refer to Carrier Conguration.
Operating temperature −40…+45 ℃, with 1.0 m/s ambient wind speed (without sun shield or sun shade)2, 3, 4
5G-NR RU supports 5G-NR on two carriers on n70 and n66 bands. Single-carrier 5G-NR support is available on both
n70 and n66 bands. RU supports a maximum of four carriers per port.
Volume < 30L (e volume calculation does not include connectors, protrusions, or manufacturing tolerances.)
Dimension (W x H X D) 400 x 380 x 200 mm
Weight < 29.0 kg max (except the mounting brackets, other options)
Power consumption < 1300 W (under all operational condition, with AISG)
RU Hardware Feature
RU Specications
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