QISDRH3917ADistributed Remote Head

DRH3917A&DRH3919A&DRH3919B& DRH3985A Hardware Maintenance Guide Issue Draft A Date 2013-08-20 HUAWEI TECHNOLOGIES CO., LTD. Issue () Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. i Copyright © Huawei Technologies Co., Ltd. 2013. All rights reserved. No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd. Trademarks and Permissions and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd. All other trademarks and trade names mentioned in this document are the property of their respective holders. Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS" without warranties, guarantees or representations of any kind, either express or implied. The information in this document is subject to change without notice. Every effort has been made in the preparation of this document to ensure accuracy of the contents, but all statements, information, and recommendations in this document do not constitute a warranty of any kind, express or implied. Huawei Technologies Co., Ltd. Address: Huawei Industrial Base Bantian, Longgang Shenzhen 518129 People's Republic of China Website: http://www.huawei.com Email: [email protected] About This Document Issue () Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. ii About This Document Purpose This document describes routine maintenance procedures for a DRH (referred to as DRH in this document), such as equipment preventive maintenance and power-on and power-off operations. It also explains how to replace the DRH and optical modules. Product Version The following table lists the product version related to this document. Product Name Product Version DBS3900 IBS V100R001C02 Scope of application The following table lists the product version related to this document. DRH Name DRH Version DRH3917A V100R001C02 DRH3919A V100R001C02 DRH3919B V100R001C02 DRH3985A V100R001C02 Intended Audience This document is intended for:  System engineers  Site maintenance engineers About This Document Issue () Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. iii Organization 1 Changes in the DRH Hardware Maintenance Guide This chapter describes the changes in the DRH Hardware Maintenance Guide. 2 Preventative Maintenance Items for a DRH Preventative maintenance for a DRH improves the reliability of the DRH. You are advised to perform scheduled maintenance yearly. 3 Powering On and Off a DRH After a DRH is powered on, check the status of DRH indicators and voltage. Before the DRH is powered off, follow the normal power-off or emergent power-off procedure as required. 4 Replacing a DRH A distributed base station consists of DRHs and a DCU. Replacing a DRH interrupts all the services carried by the DRH, and alarms are generated. 5 Replacing an Optical Module An optical module implements optical-electrical conversion, enabling optical transmission between a DRH and other devices. You must disconnect fiber optic cables from an optical module before replacing the optical module. Disconnecting the fiber optic cables interrupts the transmission of CPRI signals. Contents Issue () Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. iv Contents About This Document .................................................................................................................... ii 1 Changes in the DRH Hardware Maintenance Guide ............................................................ 1 2 Preventative Maintenance Items for a DRH ............................................................................ 2 3 Powering On and Off a DRH ..................................................................................................... 4 3.1 Powering On an DRH ................................................................................................................................................... 4 3.2 Powering Off a DRH .................................................................................................................................................... 5 4 Replacing a DRH ........................................................................................................................... 6 5 Replacing an Optical Module ..................................................................................................... 9 1 Changes in the DRH Hardware Maintenance Guide Issue () Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 1 1 Changes in the DRH Hardware Maintenance Guide This chapter describes the changes in theDRH Hardware Maintenance Guide. Issue Draft A (2013-08-20) This is the Draft A version. 2 Preventative Maintenance Items for a DRH Issue () Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 2 2 Preventative Maintenance Items for a DRH Preventative maintenance for a DRH improves the reliability of the DRH. You are advised to perform scheduled maintenance yearly. While working at heights, be careful not to drop any tools, equipment, or other objects. Falling objects may cause serious injury or death. Always wear a helmet and avoid standing in the danger area. The items in the following checklist are not mandatory but strongly recommended. Table 2-1 lists the preventative maintenance items for a DRH. Table 2-1 Preventative maintenance items for a DRH SN Item 1 All DRHs are properly installed and in good condition. 2 Cables are sealed properly at the entry points of the cabinet. 3 All RF cables are free from wear, cuts, cracks, or other damage. 4 All RF …

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DBS3900 IBS V100R001C02 DRH3985A&3917A&3919A Installation Guide Issue Draft A Date 2013-09-16 HUAWEI TECHNOLOGIES CO., LTD. Issue Draft A (2013-09-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.. i Copyright © Huawei Technologies Co., Ltd. 2013. All rights reserved. No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd. Trademarks and Permissions and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd. All other trademarks and trade names mentioned in this document are the property of their respective holders. Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS" without warranties, guarantees or representations of any kind, either express or implied. The information in this document is subject to change without notice. Every effort has been made in the preparation of this document to ensure accuracy of the contents, but all statements, information, and recommendations in this document do not constitute a warranty of any kind, express or implied. Huawei Technologies Co., Ltd. Address: Huawei Industrial Base Bantian, Longgang Shenzhen 518129 People's Republic of China Website: http://www.huawei.com Email: [email protected] DRH3985A&3917A&3919A Installation Guide About This Document Issue Draft A (2013-09-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.. ii About This Document Purpose This document describes the process of installing DC DRH3985A, DRH3917A and DRH3919A (referred to as DRH in this document). Product Version The following table lists the product version related to this document for DRH3985A, DRH3917A and DRH3919A. Product Name Product Version DBS3900 IBS V100R001C02 Intended Audience This document is intended for: Base station installation engineers Organization 1 Changes in the DRH3985A &3917A&3919A Installation Guide This chapter describes the changes in the DRH3985A&3917A&3919A Installation Guide. 2 Installation Preparations This chapter describes the reference documents, tools, and instruments that must be ready before the installation. In addition, it specifies the skills and prerequisites that installation engineers must have. 3 Information About the Installation Before installing a DRH, you must be familiar with its exterior, ports, indicators, installation options and installation clearance requirements. 4 Unpacking the Equipment DRH3985A&3917A&3919A Installation Guide About This Document Issue Draft A (2013-09-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.. iii This chapter describes how to unpack and check the delivered equipment to ensure that all the materials are included and intact. 5 Installation Process The installation process involves installing a DRH and DRH cables, checking the DRH hardware installation, and powering on the DRH. 6 Installing the DRH This chapter describes the procedure for installing the DRH. The DRH can be installed on a pole, U-steel, angle steel, wall, or an IFS06. The procedure for installing the DRH varies depending on installation options. 7 Installing DRH Cables This chapter describes the procedure for installing DRH cables. 8 Checking the DRH Hardware Installation After a DRH is installed, check the hardware installation. 9 Powering On a DRH After all the devices are installed, check the power-on status of a DRH. 10 Appendix This section describes the procedure for adding an easy power receptacle (pressfit type) connector. Conventions Symbol Conventions The symbols that may be found in this document are defined as follows. Symbol Description Indicates a hazard with a high level or medium level of risk which, if not avoided, could result in death or serious injury. Indicates a hazard with a low level of risk which, if not avoided, could result in minor or moderate injury. Indicates a potentially hazardous situation that, if not avoided, could result in equipment damage, data loss, performance deterioration, or unanticipated results. Indicates a tip that may help you solve a problem or save time. Provides additional information to emphasize or supplement important points of the main text. DRH3985A&3917A&3919A Installation Guide About This Document Issue Draft A (2013-09-16) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.. iv General Conventions Convention Description Times New Roman Normal paragraphs are in Times New Roman. Boldface Names of files, directories, folders, and users are in boldface. For example, log in as user root. Italic Book titles are in italics. Courier New Terminal display is in Courier New. Command Conventions Convention Description Boldface The keywords of a command line are in boldface. Italic Command arguments are in italics. [ ] Items (keywords or arguments) in square brackets [ ] are optional. { x | y | ... } Alternative items are grouped in braces and separated by vertical bars. One is selected. [ x | y | ... ] Optional alternative items are grouped in square brackets and separated by vertical bars. One or none is selected. { x | y | ... } * Alternative items are grouped in braces and separated by vertical bars. A minimum of one or a maximum of all can be selected. GUI Conventions Convention Description Boldface Buttons, menus, parameters, tabs, windows, and dialog titles are in boldface. For example, click OK. > Multi-level menus are in boldface and separated by the ">" signs. For example, choose File > Create > Folder. Keyboard Operation Format Description Key Press the key. For example, press Enter and press Tab. DRH3985A&3917A&3919A I…

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DBS3900 IBS V100R001C02 DRH3985A&3917A&3919A&3919B Hardware Description Issue Draft A Date 2013-08-18 HUAWEI TECHNOLOGIES CO., LTD. Issue Draft A (2013-08-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. i Copyright © Huawei Technologies Co., Ltd. 2013. All rights reserved. No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd. Trademarks and Permissions and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd. All other trademarks and trade names mentioned in this document are the property of their respective holders. Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS" without warranties, guarantees or representations of any kind, either express or implied. The information in this document is subject to change without notice. Every effort has been made in the preparation of this document to ensure accuracy of the contents, but all statements, information, and recommendations in this document do not constitute a warranty of any kind, express or implied. Huawei Technologies Co., Ltd. Address: Huawei Industrial Base Bantian, Longgang Shenzhen 518129 People's Republic of China Website: http://www.huawei.com Email: [email protected] DRH3985A&3917A&3919A&3919B Hardware Description About This Document Issue Drafe A (2013-08-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. ii About This Document Purpose This document provides reference for planning and deploying a DC DRH. It presents the exterior and describes the ports, functions, cable types, connector specifications, and cable connections of the DRH. Product Version The following table lists the product version related to this document. Product Name Product Version DBS3900 IBS V100R001C02 Scope of application The following table lists the DRH related to this document. DRH Name DRH Version DRH3985A V100R001C02 DRH3917A V100R001C02 DRH3919A V100R001C02 DRH3919B V100R001C02 Intended Audience This document is intended for:  Base station installation engineers  System engineers  Site maintenance engineers DRH3985A&3917A&3919A&3919B Hardware Description About This Document Issue Drafe A (2013-08-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. iii Organization 1 Changes in DRH3985A&3917A&3919A&3919B Hardware Description This chapter describes the changes in DRH3985A&3917A&3919A&3919B Hardware Description. 2 DRH Introduction This chapter describes the exterior and function of the DRH as well as the ports and indicators on the DRH. 3 DRH Cables This chapter describes DRH cables. 4 DRH Auxiliary Devices This chapter describes DRH auxiliary devices. DRH3985A&3917A&3919A&3919B Hardware Description Contents Issue Draft A (2013-08-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. iv Contents About This Document .................................................................................................................... ii Purpose ............................................................................................................................................................................... ii Product Version ................................................................................................................................................................... ii Scope of application ........................................................................................................................................................... ii Intended Audience .............................................................................................................................................................. ii Organization ...................................................................................................................................................................... iii 1 Changes in DRH 3985A&3917A&3919A&3919B Hardware Description ........................... 1 2 DRH Introduction ......................................................................................................................... 2 2.1 DRH Exterior ................................................................................................................................................................ 2 2.2 DRH Functions ............................................................................................................................................................. 3 2.3 DRH Technical Specifications ...................................................................................................................................... 4 2.4 DRH Ports ..................................................................................................................................................................... 4 2.5 DRH Indicators ............................................................................................................................................................. 7 2.6 Optical Modules............................................................................................................................................................ 8 2.7 DRH Antennas(Only for U.S.A and Canada) ............................................................................................................. 10 3 DRH Cables .................................................................................................................................. 11 3.1 DRH Cable List .................................................................…

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Date (10/12/2013) BABT TCB Balfour House, Churchfield Road, Walton-on-Thames, Surrey, KT12 2TD Dear Sir or Madam, We, Huawei Technologies Co., Ltd. Administration Building, Headquarters of Huawei Technologies Co., Ltd., Bantian, Longgang District, Shenzhen 518129, China hereby authorize TUV-SUD China Shenzhen Branch 6/F, H Hall, Culture Creative Park, No. 4001 Fuqiang Road, Futian District, Shenzhen 518048 P. R. China Felix Li Phone: +86-755-88286998-3243 e-mail: [email protected] to act as our agent in all matters relating to applications for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that neither we nor any party to this application are subject to denial of U.S Federal benefits, which include FCC benefits, pursuant to section 5301 of Anti-Drug Abuse Act of 1988, U.S.C 862 because of conviction for possession or distribution of controlled substance. This authorization is application to product: Type of equipment: Distributed Remote Head Model name: DRH3917A FCC ID: QISDRH3917A This authorization expires one year from the current date. Sincerely, EMC lab manager: Zhang Xinghai Telephone Number: +86 -755-28970299 Fax: +86 -755-89650226 E-mail:[email protected]

Date (10/12/2013) BABT TCB Balfour House, Churchfield Road, Walton-on-Thames, Surrey, KT12 2TD Confidentiality Request FCC ID: QISDRH3917A Pursuant to Sections 0.457(d)(1)(ii) and 0.459 of the Commission’s Rules, we Velodyne Acoustics, Inc., 345 Digital Drive Morgan Hill, California 95037 United States hereby requests permanent confidential treatment of information accompanying this application as outlined below: Schematics and PCB layout Parts List Block Diagrams Operational Description Tune-up procedure The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457(d)(1)(ii), disclosure of this Application and all accompanying materials will not be made before the date of the Grant for this Application. Yours sincerely, EMC lab manager: Zhang Xinghai Telephone Number: +86 -755-28970299 Fax: +86 -755-89650226 E-mail: [email protected]

Date (12/19/2013) BABT TCB Balfour House, Churchfield Road, Walton-on-Thames, Surrey, KT12 2TD Dear Sir or Madam, We Company name: Huawei Technologies Co., Ltd. Address: Administration Building, Headquarters of Huawei Technologies Co., Ltd., Bantian, Longgang District, Shenzhen 518129, China Hereby declared that Below Warning label messages will be also shown in online and point-of-sale marketing materials and on outside packaging of device. EMC Laboratory Manager: Zhangxinghai Telephone Number: 0755-28970299 FAX No.: 0755-89650226 Email: [email protected]

British Board for Telecommunications Registered in England and Wales Company Number - 1633985 Octagon House, Concorde Way, Segensworth North, Fareham, Hampshire, PO15 5RL United Kingdom BABT-TÜV SÜD Group Page 1 of 7 Ref: Part 20 Signal Booster Advisory Letter 10 January 2014 To Xinghai Zhang TÜV SÜD BABT Octagon House, Segensworth Road North Hampshire, PO15 5RL Telephone: +44 (0)1489 558200 Fax: +44 (0)1489 558100 Direct Dial: +44 (0)1489 558209 E-mail: [email protected] Website: http://www.tuv-sud.co.uk Part 20 Signal Booster Advisory Letter Huawei Technologies Co., Ltd, Product Name: Distributed Remote Head As a TCB we are required to advise you of all of the criteria outlined in Part 20 relating to booster operations. Please find Annex A on the following pages, which contains the §20.21 CMRS signal booster guidance and requirements around licensing/expressed consent, labeling requirements and marketing rules. For Industrial boosters, please refer to sections (c) for operational requirements specifying licensing or expressed consent of the licensee whose frequencies are being retransmitted by the device on a regular basis. Section (f) provides the labeling requirements. Yours sincerely Vina Kerai TÜV SÜD Lead FCC Specialist British Board for Telecommunications Registered in England and Wales Company Number - 1633985 Octagon House, Concorde Way, Segensworth North, Fareham, Hampshire, PO15 5RL United Kingdom BABT-TÜV SÜD Group Page 2 of 7 Annex A Title 47: Telecommunication PART 20—COMMERCIAL MOBILE SERVICES §20.21 Signal boosters. (a) Operation of Consumer Signal Boosters. A subscriber in good standing of a commercial mobile radio service system may operate a Consumer Signal Booster for personal use under the authorization held by the licensee providing service to the subscriber provided that the subscriber complies with paragraphs (a)(1) through (6). Failure to comply with all applicable rules in this section and all applicable technical rules for the frequency band(s) of operation voids the authority to operate the Consumer Signal Booster. (1) Prior to operation, the subscriber obtains the consent of the licensee providing service to the subscriber; (2) Prior to operation, the subscriber registers the Consumer Signal Booster with the licensee providing service to the subscriber; (3) The subscriber only operates the Consumer Signal Booster with approved antennas, cables, and/or coupling devices as specified by the manufacturer of the Consumer Signal Booster; (4) The subscriber operates the Consumer Signal Booster on frequencies used for the provision of subscriber-based services under parts 22 (Cellular), 24 (Broadband PCS), 27 (AWS-1, 700 MHz Lower A-E Blocks, and 700 MHz Upper C Block), and 90 (Specialized Mobile Radio) of this chapter. Operation on part 90 (Specialized Mobile Radio) frequencies is permitted upon the Commission's release of a public notice announcing the date Consumer Signal Boosters may be used in the band; (5) The Consumer Signal Booster complies with paragraphs (e), (f), (g), and (h) of this section and §2.907 of this chapter; and (6) The subscriber may not deactivate any features of the Consumer Signal Booster which are designed to prevent harmful interference to wireless networks. These features must be enabled and operating at all times the signal booster is in use. (b) De minimis operation of Consumer Signal Boosters. A third party's incidental use of a subscriber's Consumer Signal Booster operated under this paragraph is de minimis and shall be authorized under the authorization held by the licensee providing service to the third party. (c) Operation of Industrial Signal Boosters. An individual or non-individual, other than a representative of a foreign government, may operate an Industrial Signal Booster provided that the individual or non-individual: (1) Has an FCC license or obtains the express consent of the licensee(s) whose frequencies are being retransmitted by the device on a regular basis, and (2) Uses an Industrial Signal Booster which complies with paragraph (f) of this section. (d) Operation on a secondary, non-interference basis. Operation of signal boosters under this section is on a secondary, non-interference basis to primary services licensed for the frequency bands on which they transmit, and to primary services licensed for the adjacent frequency bands that might be affected by their transmissions. (1) The operation of signal boosters must not cause harmful interference to the communications of any primary licensed service. (2) Upon request of an FCC representative or a licensee experiencing harmful interference, a signal booster operator must: (i) Cooperate in determining the source of the interference, and British Board for Telecommunications Registered in England and Wales Company Number - 1633985 Octagon House, Concorde Way, Segensworth North, Fareham, Hampshire, PO15 5RL United Kingdom BABT-TÜV SÜD Group Page 3 of 7 (ii) If necessary, deactivate the signal booster immediately, or as soon as practicable, if immediate deactivation is not possible. (e) Consumer Signal Booster Network Protection Standard. (1) All Consumer Signal Boosters must incorporate features to prevent harmful interference to wireless networks including but not limited to those enumerated in this section. (2) Certification requirements. (i) A Consumer Signal Booster can only be certificated and operated if it complies with all applicable rules in this subpart and all applicable technical rules for the frequency band(s) of operation including, but not limited to: §22.355 of this chapter, Public Mobile Services, frequency tolerance; §22.913 of this chapter, Cellular Radiotelephone Service effective radiated power limits; §22.917 of this chapter, Cellular Radiotelephone Service, emission limitations for cellular equipment; §24.232 of this chapter, Broadband Personal Communications Service, power and antenna height limits; §24.238 of this chapter, Broadband Personal C…

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文档名称 文档密级 2013-10-8 华为保密信息,未经授权禁止扩散 第1页, 共4页 Pictures of DRH3985A Figure 1-1 Front view of DRH3985A 文档名称 文档密级 2013-10-8 华为保密信息,未经授权禁止扩散 第2页, 共4页 Figure 1-2 One Side view of DRH3985A 文档名称 文档密级 2013-10-8 华为保密信息,未经授权禁止扩散 第3页, 共4页 Figure 1-3 Another Side view of DRH3985A 文档名称 文档密级 2013-10-8 华为保密信息,未经授权禁止扩散 第4页, 共4页 Figure 1-4 Rear view of DRH3985A

文档名称 文档密级 2013-12-24 华为保密信息,未经授权禁止扩散 第1页, 共1页

文档名称 文档密级 2013-10-12 华为保密信息,未经授权禁止扩散 第1页, 共2页 Photos of internal of DRH Internal Photographs Supplement filename Description Photo-01 Internal View-Top Photo-02 Internal View-Bottom Photo-01 Internal View-Top 文档名称 文档密级 2013-10-12 华为保密信息,未经授权禁止扩散 第2页, 共2页 Photo-02 Internal View-Bottom

Declaration for Compliance with EMF for DRH3917A Security Level: Public Document No.: SYBH(R)01170991EB-6 Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. Page 1 of 2 Declaration of Electromagnetic Field Health Compliance for DRH3917A (UL AWS band) To whom it may concern, As to the product DRH3917A made by Huawei Technologies Co., Ltd., we declare that it complies with the Basic restrictions/Reference levels for electric, magnetic and electromagnetic fields as specified in following standards(s): Nr. Standard 1 47CFR FCC Part 1 (10-1-12 Edition) & OET Bulletin 65 2 RSS-102 (Issue4, March 2010) The compliance is demonstrated based on the following calculation model assessment: 1. The power density according to far-field model is: 2 ),( 4R GP S      Where: P = input power of the antenna. G = antenna gain relative to an isotropic antenna. , = elevation and azimuth angles. R = distance from the antenna to the point of investigation. 2. For single or multiple RF sources, the calculated power density should comply with following: 1 ,   i iLimit i S S Where: i S = the power density when the f is i . iLim it S , = the reference level requirement for power density when f is i . 3. The calculation of the power density or safe distance is: NOTE 1: The RF exposure evaluation is base on the far-field and the radiation exposure is over-estimated. NOTE 2: The maximum output power level is taken into account as a worst case for the purpose of the calculation of power density or safe distance. NOTE 3: The minimum antenna feed cable loss (assumed no cable loss) is taken into account as a worst case for the purpose of the calculation of power density or safe distance. NOTE 4: The maximum antenna radiation exposure orientation and maximum antenna gain is taken into account as a worst case for the purpose of the calculation of power density or safe distance. RF Source Calculation RF Source #1 f = 2110 to 2155 MHz Declaration for Compliance with EMF for DRH3917A Security Level: Public Document No.: SYBH(R)01170991EB-6 Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. Page 2 of 2 RF Source Calculation iLim it S , = 10 2 W/m P = 47.18 W (= 46.74 dBm, measured max) ),( G = 12.589 (= 11 dBi) , = The worst condition is considered, i.e. the max G is used. i S = 2 ),( 4R GP     = 47.26 2 /R 2 W/m iLim it i S S , = 4.73 / 2 R RF Sou…

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