QISRRU3801C-85402WCDMA Node B

Huawei Technologies Co., Ltd. AddressHuawei Industrial Base,Bantian Longgang,Shenzhen 518129, P.R China Post ZIP518129 Page 1/1 To: EMCC Fax : NULL From:Zhang Xinghai Fax:0086-755-89652518 Tel:0086-755-89651014 Email address: [email protected] Http: www.huawei.com SubjectLetter of Confidentiality Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Gentlemen: This letter is to comply with the Code of Federal Regulations Title 47 Section 0.457 and 0.459 pertaining to confidential material. Huawei Technologies Co., Ltd. would like the following documents regarding this submission for FCC ID: QISRRU3801C-85402 to be kept confidential: 1. Internal photos 2. Schematic diagram & PCB layout. 3. Block Diagram. 4. Parts list (BOM) Information. 5. Operational description. 6. Turn-up procedure 7. User’s manual The above material contains trade secrets or technical data, which would customarily be guarded from competitors. We do not want these documents to be accessible to the general public. Sincerely, For and Behalf of: Huawei Technologies Co., Ltd. Zhang Xinghai EMC Laboratory Manager

Photo documentation of External of RRU3801C Secret Photo documentation of External of RRU3801C Photo documentation of External of RRU3801C Secret Photo documentation of External of RRU3801C Secret Photo documentation of External of RRU3801C Secret

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PET,silver ` A000 02-13-07 02-13-07 02-13-07 02-13-07 A2 J07-0716 Change material and NOTE 85402

A.1 Introduction Base Transceiver Station (BTS) emit RF radiation (Radiation Hazard). Although there is no scientific evidence of possible health risks to persons living near to base stations some recommendations are giving below for the installation and operation of base station transceivers. Operators of base station transceivers are required to obey the local regulation for erecting base station transceivers. The Federal Communications Commission (FCC), are imposing MPE (maximum permissible exposure) limits. FCC CFR part 1, subpart I, section 1.1307 requires operator to perform a Environmental Assessment (EA). Equipment listed in the table 1 of before mentioned part is subjected to routine environmental evaluation. For facilities and operations licensed under part 22, licensees and manufacturer are required to ensure that their facility and equipment comply with IEEE C95.1-1999. The objective of the Environmental Evaluation is to ensure that human exposure to RF energy does not go beyond the maximum permissible levels stated in the standard. Therefore certain sites do not require an evaluation by nature of its design. It could be that the antennas are placed high enough thereby resulting in extremely low RF fields by the time it reaches areas that would be accessible to people. Environmental evaluations are required, for Cellular Radiotelephone Service, Part 22: Cellular Radiotelephone Service (Subpart H) if: ‰ Non-building mounted antennas: height of radiation center < 10m above ground level and total power of all channels > 500 W ERP (820 W EIRP) ‰ Building-mounted antennas: total power of all channels > 500 W ERP (820 W EIRP) A.2 Maximum Permissible Exposure (MPE) Maximum permissible exposure (MPE) refers to the RF energy that is acceptable for human exposure, given the scientific research to date. It is broken down into two categories, Controlled and Uncontrolled. Controlled limits are used for persons such as installers and designers that are in control of the hazard and exposed to energy for limited amounts of time per day. Occupational/controlled limits apply in situations in which are persons are exposed as a consequence of their employment provided those persons are fully aware of the potential for exposure and can exercise control over their exposure. Limits for occupational/controlled exposure also apply in situations when an individual is transient through a location where ccupational/controlled limits apply provided he or she is made aware of the potential for exposure. Uncontrolled limits are used for general public. General population/uncontrolled exposure apply in situations is which the general public may be exposed, or in which persons that are exposed as a consequence of their employment may not be fully aware of the potential for exposure or can not exercise control over their exposure. The exposure levels can be expressed in terms of power density, electric field strength, or magnetic field strength, as averaged over 30 minutes for the general public and 6 minutes for trained personnel. The exposure criterion is frequency dependent, and a chart covering the range from 3 kHz to 100 GHz can be found in NCRP No.86 (references IEEE C95.1-1999). Below are the limits. Limits for Occupational/Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) 0.003-0.1 0.1-3.0 3.0-30 30-100 100-300 300-3000 3000-15,000 15,000-100,000 614 614 1842/f 61.4 61.4 -- -- -- 163 16.3/f 16.3/f 16.3/f 0.163 -- -- -- (100)* (100)* (900/f 2 )* 1.0 1.0 f/300 10 10 Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) 0.003-0.1 0.1-1.34 1.34-3.0 3.0-30 30-100 100-300 300-3000 3000-15,000 15,000-100,000 614 614 823.8/f 823.8/f 27.5 27.5 -- -- -- 163 16.3/f 16.3/f 16.3/f 158.3 / f 1.668 0.0729 -- -- -- (100)* (100)* (180/f 2 )* ((180/f 2 )* 0.2 0.2 f/1500 f/1500 10 Power density S [mW/cm 2 ] for controlled area at 869 MHz 90.2 300 869 300 )( === MHzf S mW/cm 2 Power density S [mW/cm 2 ] for uncontrolled area at 869 MHz 58.0 1500 869 1500 )( === MHzf S mW/cm 2 A.3 Calculation of the Safe Distance Calculations can be made on a site by site basis to ensure the power density is below the limits given above, or guidelines can be done beforehand to ensure the minimum distances from the antenna is maintained through the site planning. The calculations are based on FCC OET 65 Appendix B. A.4 Prediction of the Exposure to Electromagnetic Fields Below method describes a theoretical approach to calculate possible exposure to electromagnetic radiation around a base station transceiver antenna. Precise statements are basically only possible either with measurements or complex calculations considering the complexity of the environment (e.g. soil conditions, near buildings and other obstacles) which causes reflections, scattering of electromagnetic fields. The maximum output power (given in EIRP) of a base station is usually limited by license conditions of the network operator. A rough estimation of the expected exposure in power flux density on a given point can be made with the following equation. The calculations are based on FCC OET 65 Appendix B. π∗∗ ∗ = )(4 )( 2 mr GWP S numeric Whereas: P = Maximum output power in W of the site G numeric = Numeric gain of the antenna relative to isotropic antenna R = distance between the antenna and the point of exposure in meters A.5 Calculation of the Safe Distance Calculations can be made on a site by site basis to ensure the power density is below the limits given above, or guidelines can be done before hand to ensure the minimum distances from the antenna is maintained through the site planning. S PtG r d π4 **64.1 = Whereas: r = distance from the antenna [m] d G = Antenna gain relative to half wave dipole Pt = Power at the antenna terminals [W] S = power density [W/m 2 …

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FCC ID: QISRRU3801C-85402 Report No: SYBH (R) 03012007EB Confidential Information of Huawei. No Distribution without Permission Page1, Total5 Appendix A Modulation Characteristic Measurement According to CFR 47 (FCC) part 2.1047 Measurement Result FCC ID: Report No: SYBH (R) 03012007EB Confidential Information of Huawei. No Distribution without Permission Page2, Total5 QPSK: Channel 4407 FCC ID: Report No: SYBH (R) 03012007EB Confidential Information of Huawei. No Distribution without Permission Page3, Total5 FCC ID: Report No: SYBH (R) 03012007EB Confidential Information of Huawei. No Distribution without Permission Page4, Total5 16QAM: Channel 4407 FCC ID: Report No: SYBH (R) 03012007EB Confidential Information of Huawei. No Distribution without Permission Page5, Total5

FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page1, Total5 Appendix B Occupied Bandwidth Measurement According to CFR 47 (FCC) part 2.1049 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page2, Total5 Measurement Result QPSK Channel 4357 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page3, Total5 Channel 4458 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page4, Total5 16QAM: Channel 4357 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page5, Total5 Channel 4458

FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page1, Total9 Appendix C Band Edge Measurement According to FCC Part 2.1051 & 22.917 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page2, Total9 Measurement Result QPSK: A. Single Carrier: Channel 4357 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page3, Total9 Channel 4458 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page4, Total9 B. Two Carriers: Channel Number: 4357/4382 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page5, Total9 Channel Number: 4433/4458 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page6, Total9 16QAM: Single carrier: Channel Number: 4357 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page7, Total9 Channel Number: 4458 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page8, Total9 Two carriers: Channel Number:4357/4382 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page9, Total9 Channel Number: 4433/4458

FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page1, Total17 Appendix D Spurious Emission at Antenna Terminal According to FCC Part 2.1051 & 22.917 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page2, Total17 Measurement Result QPSK: A. Single Carrier Channel Number:4357 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page3, Total17 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page4, Total17 Channel Number: 4458 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page5, Total17 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page6, Total17 B. Multiple Carriers: Channel Number:4357/4382 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page7, Total17 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page8, Total17 Channel Number: 4433/4458 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page9, Total17 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page10, Total17 16QAM: Single carrier: Channel Number:4357 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page11, Total17 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page12, Total17 Channel Number: 4458 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page13, Total17 Two carriers: FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page14, Total17 Channel number:4357/4382 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page15, Total17 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page16, Total17 Channel Number: 4433/4458 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page17, Total17

FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page1, Total3 Appendix E Field Strength of Spurious Radiation According to FCC Part 2.1053 & 22.917 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page2, Total3 Measurement Result 30MHz-1GHz -110 -100 -80 -60 -40 -20 -10 Level [dBm] 30M50M70M100M200M300M500M700M1G Frequency [Hz] MES R07030703_pre PK LIM RSE_FCC Voltage AV Limit FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page3, Total3 1GHz-12.75GHz -70 -60 -50 -40 -30 -20 -10 Level [dBm] 1G2G3G4G5G6G7G12.75G Frequency [Hz] Marker: 2.835555556 GHz -41.54 dBm MES R06112724_pre PK LIM RSE_FCC Voltage AV Limit

FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page1, Total2 Appendix F Conducted Emission at Power Port According to CFR 47 (FCC) part 15.107 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page2, Total2 Measurement result for RRU3801C 0 10 20 30 40 50 60 70 80 Level [dB 礦] 150k300k500k1M2M3M5M7M10M30M Frequency [Hz] + + + + + + x x x x x x x MES C07030618_fin + MES C07030618_fin2 MES C07030618_pre MES C07030618_pre2

FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page1, Total3 Appendix G Radiated Emission of Enclosure in Idle Mode According to CFR 47 (FCC) part 15.107 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page2, Total3 Measurement results DC-48V: 30MHz~1GHz A 0 10 20 30 40 50 60 70 80 Level 3050701002003005007001G Frequency [Hz] x x x x x x xMES R07030702_fin MES R07030702_pre LIM FCC RE ClassB 3m FCC ClassB, field strength LIM FCC_RE_B_3m -4.6dB FCC ClassB, field strength FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007 EB Confidential Information of Huawei. No Distribution without Permission Page3, Total3 AC220V: 30MHz~1GHz 0 10 20 30 40 50 60 70 80 Level 3050701002003005007001G Frequency [Hz] x x x x x x xMES R07030701_fin MES R07030701_pre LIM FCC RE ClassB 3m FCC ClassB, field strength LIM FCC_RE_B_3m -4.6dB FCC ClassB, field strength

Report No: SYBH(R) 03012007EB FCC ID: QISRRU3801C-85402 FCC TEST REPORT OF WCDMA NodeB M/N: RRU3801C Mar. 26, 2007 Reliability Laboratory of Huawei Technologies Co., Ltd. All Right Reserved Report No: SYBH (R)03012007EB Confidential Information of Huawei. No Distribution without Permission Page2, Total38 Notice 1. The laboratory has obtained the accreditation of China National Accreditation Committee for Laboratories (CNAL), and accreditation number: L0310. 2. The laboratory has obtained the accreditation of THE AMERICAN ASSOCIATION FOR LABORATORY ACCREDITATION (A2LA), and Accreditation Council Certificate Number: 2174.01. 3. The laboratory has been listed on the US Federal Communications Commission list of test facilities recognized to perform electromagnetic emissions measurements. The site recognition number is 97456. 4. The laboratory also has been listed by the VCCI to perform EMC measurements. The accreditation number is C2583, R2364, and T256. 5. The test report is invalid if not marked with "exclusive stamp for the test report". 6. Any copy of the test report is invalid if not re-marked with the "exclusive stamp for the test report". 7. The test report is invalid if not marked with the stamps or the signatures of the persons responsible for performing, revising and approving the test report. 8. The test report is invalid if there is any evidence of erasure and/or falsification. 9. If there is any dissidence for the test report, please file objection to the test centre within 15 days from the date of receiving the test report. 10. Normally, the test report is only responsible for the samples that have undergone the test. 11. Context of the test report cannot be used partially or in full for publicity and/or promotional purposes without previous written approval of the laboratory. Report No: SYBH (R)03012007EB Confidential Information of Huawei. No Distribution without Permission Page3, Total38 Huawei Technologies Co Ltd Huawei Industrial Base, Bantian Longgang Shenzhen 518128, P.R China Tel: +86 755 89651014 Fax: +86 755 89652518 REPORT ON FCC Test of WCDMA NodeB Report No: SYBH(R) 03012007EB REGULATION FCC CFR47 Part 2: Subpart J; FCC CFR47 Part 22: Subpart H; FCC CFR47 Part 15: Subpart B; CONCLUSION There are 9 items need to be tested, 9 items have been tested. The sample of the model completely meets the requirements Final Judgement: Pass General Manager 2007.03.28 Guo Xiaoqi Date Name signature Technical Responsibility For Area of Testing 2007.03.27 Zhang Xinghai Date Name signature Test Lab Engineer 2007.03.26 Wangwenjin Date Name signature Report No: SYBH (R)03012007EB Confidential Information of Huawei. No Distribution without Permission Page4, Total38 Contents 1 Summary.................................................................................................................................................... 5 2 Product Description.................................................................................................................................. 6 2.1 PRODUCTION INFORMATION................................................................................................................... 6 3 Test Site Description................................................................................................................................. 7 3.1 TESTING PERIOD................................................................................................................................... 7 4 Product Description.................................................................................................................................. 8 4.1 TECHNICAL CHARACTERISTICS............................................................................................................... 8 4.2 EUT IDENTIFICATION LIST.................................................................................................................... 10 5 Main Test Instruments............................................................................................................................. 11 6 Transmitter Measurements..................................................................................................................... 12 6.1 MAXIMUM CHANNEL POWER................................................................................................................ 12 6.2 MODULATION CHARACTERISTICS.......................................................................................................... 14 6.3 OCCUPIED BANDWIDTH........................................................................................................................ 16 6.4 BAND EDGES COMPLIANCE.................................................................................................................. 18 6.5 SPURIOUS EMISSION AT ANTENNA TERMINAL........................................................................................ 21 6.6 RADIATED SPURIOUS EMISSION........................................................................................................... 24 6.7 FREQUENCY STABILITY........................................................................................................................ 28 7 EMC Test.................................................................................................................................................. 32 7.1 CONDUCTED EMISSION AT POWER PORT.............................................................................................. 32 7.2 RADIATED EMISSION OF ENCLOSURE IN IDLE MODE............................................................................... 34 8 System Measurement Uncertainty......................................................................................................... 37 9 Appendices.............................................................................................................................................. 38 FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007E…

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FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007EB Confidential Information of Huawei. No Distribution without Permission Page1, Total4 Appendix H Photos of Test Setup FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007EB Confidential Information of Huawei. No Distribution without Permission Page2, Total4 1 Radiated Emissions Radiated Disturbance (below 1GHz) FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007EB Confidential Information of Huawei. No Distribution without Permission Page3, Total4 2 Radiated Spurious Emissions Radiated Spurious Disturbance (below 1GHz) Radiated Spurious Disturbance (above 1GHz) FCC ID: QISRRU3801C-85402 Report No: SYBH (R)03012007EB Confidential Information of Huawei. No Distribution without Permission Page4, Total4 3 Conducted Emissions