A3LRF4420D-D1ARRU(RF4420d)

19 Chapin Rd., Building, Pine Brook, New Jersey, United States, 07058 To whom it may it concern: I hereby appoint KIM, Jong-in to sign letters and applications for any filings with regulatory agencies on our behalf, and to receive and exchange data between our company, the agents company and the agency in connection with certification for any products that our company owns or manufactures. Sincerely,. NAME: Jenni Chun TITLE: General Manager, Regulatory & Environmental Affairs Applicant: Samsung Electronics America, Inc Address: 19 Chapin Rd, Building D. Pine Brook, NJ 07058

19 Chapin Rd., Building, Pine Brook, New Jersey, United States, 07058 Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: A3LRF4420D-D1A Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name Block Diagram Schematics Parts List Operational description (RF4420d-D1A)_Block diagram.pdf (RF4420d-D1A)_Schematics.pdf (RF4420d-D1A)_Partlist.pdf (RF4420d-D1A)_Operation description.pdf Tune-up Procedure (RF4420d-D1A)_Tune-up procedure.pdf User Manual (RF4420d-D1A)_User manual Internal Photos (RF4420d-D1A)_Internal Photos.pdf The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. We understand that the documentation for internal photographs and manuals has been made publicly available on various websites. Sincerely, Kim, Jong-in / Staff Engineer Samsung Electronics Co Ltd

19 Chapin Rd., Building, Pine Brook, New Jersey, United States, 07058 Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: May 13, 2020 SUBJECT: FCC Application for (FCC ID : A3LRF4420D-D1A) To Whom it may concern: We, the undersigned, hereby authorize Bong-jun, Jang at CTK on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by CTK on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Regards, Kim, Jong-in / Staff Engineer Samsung Electronics Co Ltd

CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 www.e-ctk.com EUT External Photographs CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 www.e-ctk.com CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 www.e-ctk.com

CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 www.e-ctk.com Label Photographs

TEST REPORT CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (1) / (146) Pages QF-QP15-03 R104 Rev.0 1. Client ◦ Name : Samsung Electronics Co Ltd ◦ Address : 19 Chapin Rd, Building D. Pine Brook, New Jersey, United States ◦ Date of Receipt : 2020-04-13 2. Manufacturer ◦ Name : Samsung Electronics Co., Ltd. ◦ Address : 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, 16677, Republic of Korea 3. Use of Report : For FCC Certification 4. Test Sample / Model: RF4420d-D1A 5. Date of Test : 2020-04-13 to 2020-05-19 6. Test Standard(method) used : FCC 47 CFR Part 2, 27 7. Testing Environment: Temp.: (24 ± 1) °C, Humidity: (43 ± 1) % R.H. 8. Test Results : Compliance The results shown in this test report refer only to the sample(s) tested unless otherwise stated. This Test Report cannot be reproduced, except in full. Affirmation Tested by Bong-jun, Jang: (Signature) Technical Manager Young-taek, Lee: (Signature) 2019-05-20 Republic of KOREA CTK Co., Ltd. CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (2) / (146) Pages QF-QP15-03 R104 Rev.0 REPORT REVISION HISTORY Date Revision Page No 2019-05-20 Issued (CTK-2020-01890) all This report shall not be reproduced except in full, without the written approval of CTK Co., Ltd. This document may be altered or revised by CTK Co., Ltd. personnel only, and shall be noted in the revision section of the document. Any alteration of this document not carried out by CTK Co., Ltd. will constitute fraud and shall nullify the document. CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (3) / (146) Pages QF-QP15-03 R104 Rev.0 CONTENTS 1. General Information .................................................................................................. 4 2. Facility and Accreditations .......................................................................................... 6 2.1 Test Facility ...................................................................................................... 6 2.2 Laboratory Accreditations and Listings .................................................................. 6 2.3 Calibration Details of Equipment Used for Measurement .......................................... 6 3. Test Specifications .................................................................................................... 7 3.1 Standards ........................................................................................................ 7 3.2 Mode of operation during the test ........................................................................ 7 3.3 Maximum Measurement Uncertainty .................................................................... 9 3.4 Standards Environmental Test conditions .............................................................. 9 4. RF output power ..................................................................................................... 10 5. Occupied Bandwidth ............................................................................................... 41 6. Spurious Emission at Antenna Terminal ...................................................................... 71 7. Radiated Spurious Emission ................................................................................... 140 8. Frequency Stability ............................................................................................... 144 APPENDIX A – Test Equipment Used For Tests .............................................................. 146 CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (4) / (146) Pages QF-QP15-03 R104 Rev.0 1. General Information 1.1 Client Information Company Samsung Electronics Co., Ltd. Contact Point 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, 16677, Republic of Korea Contact Person Name : Kim, Jong-in E-mail : [email protected] Tel : +82-31-279-3096 1.2 Product Information FCC ID A3LRF4420D-D1A Product Description RRU(RF4420d) Model name RF4420d-D1A Power Supply -48 Vdc Operating Frequency - Band 12 DL : 729 MHz- 744 MHz, UL : 699 MHz - 714 MHz - Band 14 DL : 758 MHz- 768 MHz, UL : 788 MHz - 798 MHz RF Output Power - Band 12 BW 5 MHz : 20 W / path(Total 4 path = 80 W) BW 10 MHz : 40 W / path(Total 4 path = 160 W) BW 15 MHz : 40 W / path(Total 4 path = 160 W) - Band 14 BW 10 MHz : 40 W / path(Total 4 path =160 W) - Band 12 + Band 14 BW 5 MHz + BW 10 MHz : 60 W / path(Total 4 path = 240 W) BW 10 MHz + BW 10 MHz : 80 W / path(Total 4 path = 320 W) BW 15 MHz + BW 10 MHz : 80 W / path(Total 4 path = 320 W) Channel Bandwidth - Band 12 : 5 MHz, 10 MHz, 15 MHz - Band 14 : 10 MHz Modulation Type QPSK, 16QAM, 64QAM, 256QAM FCC Rule Part 2 : FREQUENCY ALLOCATIONS AND RADIO TREATY MATTERS; GENERAL RULES AND REGULATIONS Part 27 : MISCELLANEOUS WIRELESS COMMUNICATIONS SERVICES Part 90 : PRIVATE LAND MOBILE RADIO SERVICES KDB Publication 662911 D01 Multiple Transmitter Output v02r01 CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (5) / (146) Pages QF-QP15-03 R104 Rev.0 1.3 Configurations Band 12 Band 14 EUT (RF4420d-D1A) ANT port: 0 to conduced test 1 2 3 Termination Termination Termination Power Supply Radio Digital Unit(DU) Control Computer GPS Antenna Optical CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (6) / (146) Pages QF-QP15-03 R104 Rev.0 2. Facility and Accreditations 2.1 Test Facility The measurement facility is located at (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yong-in-si…

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CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (57) / (146) Pages QF-QP15-03 R104 Rev.0 ANT2 QPSK 16QAM 64QAM 256QAM CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (58) / (146) Pages QF-QP15-03 R104 Rev.0 ANT3 QPSK 16QAM 64QAM 256QAM CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (59) / (146) Pages QF-QP15-03 R104 Rev.0 BW 10MHz, Middle ANT0 QPSK 16QAM 64QAM 256QAM CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (60) / (146) Pages QF-QP15-03 R104 Rev.0 ANT1 QPSK 16QAM 64QAM 256QAM CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (61) / (146) Pages QF-QP15-03 R104 Rev.0 ANT2 QPSK 16QAM 64QAM 256QAM CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (62) / (146) Pages QF-QP15-03 R104 Rev.0 ANT3 QPSK 16QAM 64QAM 256QAM CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (63) / (146) Pages QF-QP15-03 R104 Rev.0 BW 10MHz, Top ANT0 QPSK 16QAM 64QAM 256QAM CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (64) / (146) Pages QF-QP15-03 R104 Rev.0 ANT1 QPSK 16QAM 64QAM 256QAM CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (65) / (146) Pages QF-QP15-03 R104 Rev.0 ANT2 QPSK 16QAM 64QAM 256QAM CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (66) / (146) Pages QF-QP15-03 R104 Rev.0 ANT3 QPSK 16QAM 64QAM 256QAM CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (67) / (146) Pages QF-QP15-03 R104 Rev.0 BW 15MHz, Middle ANT0 QPSK 16QAM 64QAM 256QAM CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (68) / (146) Pages QF-QP15-03 R104 Rev.0 ANT1 QPSK 16QAM 64QAM 256QAM CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (69) / (146) Pages QF-QP15-03 R104 Rev.0 ANT2 QPSK 16QAM 64QAM 256QAM CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (70) / (146) Pages QF-QP15-03 R104 Rev.0 ANT3 QPSK 16QAM 64QAM 256QAM CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (71) / (146) Pages QF-QP15-03 R104 Rev.0 6. Spurious Emission at Antenna Terminal § 27.53 Emission limits (g) For operations in the 600 MHz band and the 698-746 MHz band, the power of any emission outside a licensee's frequency band(s) of operation shall be attenuated below the transmitter power (P) within the licensed band(s) of operation, measured in watts, by at least 43 + 10 log (P) dB. Compliance with this provision is based on the use of measurement instrumentation employing a resolution bandwidth of 100 kilohertz or greater. However, in the 100 kilohertz bands immediately outside and adjacent to a licensee's frequency block, a resolution bandwidth of at least 30 kHz may be employed. Test Procedures : The RF Output of the transceiver was connected to a spectrum analyzer through appropriate attenuation. The resolution bandwidth of the spectrum analyzer was set at 100 kHz(below 1 GHz), 1 MHz(Above 1 GHz). Sufficient scans were taken to show any out of band emissions up to 10th harmonic. Notes : 1. In 9 kHz - 10 kHz and 150 kHz - 30 MHz bands, RBW was reduced to 1% and 10% of the reference bandwidth for measuring unwanted emission level(typically, 100 kHz if the authorized frequency band is below 1 GHz) and power was integrated.(1% = +20 dB, 10% = +10 dB) 2. All out of band emissions are measured with a spectrum analyzer connected to the antenna terminal of the EUT while the EUT is operating at its at maximum power, and at the appropriate frequencies. All modulation types were investigated to determine the worst case configuration. All modulation types of operation were investigated and the worst case configuration results are reported in this section. (Worst case : QPSK, 64QAM) CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (72) / (146) Pages QF-QP15-03 R104 Rev.0 Test Plot at Spurious Emissions BW 5MHz, Bottom, QPSK ANT0 9 kHz - 150 kHz 150 kHz - 30 MHz 30 MHz - 1000 MHz 1000 MHz - 8000 MHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (73) / (146) Pages QF-QP15-03 R104 Rev.0 ANT1 9 kHz - 150 kHz 150 kHz - 30 MHz 30 MHz - 1000 MHz 1000 MHz - 8000 MHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (74) / (146) Pages QF-QP15-03 R104 Rev.0 ANT2 9 kHz - 150 kHz 150 kHz - 30 MHz 30 MHz - 1000 MHz 1000 MHz - 8000 MHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeo…

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CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (100) / (146) Pages QF-QP15-03 R104 Rev.0 BW 10MHz, Bottom, 64QAM ANT0 9 kHz - 150 kHz 150 kHz - 30 MHz 30 MHz - 1000 MHz 1000 MHz - 8000 MHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (101) / (146) Pages QF-QP15-03 R104 Rev.0 ANT1 9 kHz - 150 kHz 150 kHz - 30 MHz 30 MHz - 1000 MHz 1000 MHz - 8000 MHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (102) / (146) Pages QF-QP15-03 R104 Rev.0 ANT2 9 kHz - 150 kHz 150 kHz - 30 MHz 30 MHz - 1000 MHz 1000 MHz - 8000 MHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (103) / (146) Pages QF-QP15-03 R104 Rev.0 ANT3 9 kHz - 150 kHz 150 kHz - 30 MHz 30 MHz - 1000 MHz 1000 MHz - 8000 MHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (104) / (146) Pages QF-QP15-03 R104 Rev.0 BW 10MHz, Middle, QPSK ANT0 9 kHz - 150 kHz 150 kHz - 30 MHz 30 MHz - 1000 MHz 1000 MHz - 8000 MHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (105) / (146) Pages QF-QP15-03 R104 Rev.0 ANT1 9 kHz - 150 kHz 150 kHz - 30 MHz 30 MHz - 1000 MHz 1000 MHz - 8000 MHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (106) / (146) Pages QF-QP15-03 R104 Rev.0 ANT2 9 kHz - 150 kHz 150 kHz - 30 MHz 30 MHz - 1000 MHz 1000 MHz - 8000 MHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (107) / (146) Pages QF-QP15-03 R104 Rev.0 ANT3 9 kHz - 150 kHz 150 kHz - 30 MHz 30 MHz - 1000 MHz 1000 MHz - 8000 MHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (108) / (146) Pages QF-QP15-03 R104 Rev.0 BW 10MHz, Middle, 64QAM ANT0 9 kHz - 150 kHz 150 kHz - 30 MHz 30 MHz - 1000 MHz 1000 MHz - 8000 MHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (109) / (146) Pages QF-QP15-03 R104 Rev.0 ANT1 9 kHz - 150 kHz 150 kHz - 30 MHz 30 MHz - 1000 MHz 1000 MHz - 8000 MHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (110) / (146) Pages QF-QP15-03 R104 Rev.0 ANT2 9 kHz - 150 kHz 150 kHz - 30 MHz 30 MHz - 1000 MHz 1000 MHz - 8000 MHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (111) / (146) Pages QF-QP15-03 R104 Rev.0 ANT3 9 kHz - 150 kHz 150 kHz - 30 MHz 30 MHz - 1000 MHz 1000 MHz - 8000 MHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (112) / (146) Pages QF-QP15-03 R104 Rev.0 BW 10MHz, Top, QPSK ANT0 9 kHz - 150 kHz 150 kHz - 30 MHz 30 MHz - 1000 MHz 1000 MHz - 8000 MHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (113) / (146) Pages QF-QP15-03 R104 Rev.0 ANT1 9 kHz - 150 kHz 150 kHz - 30 MHz 30 MHz - 1000 MHz 1000 MHz - 8000 MHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (114) / (146) Pages QF-QP15-03 R104 Rev.0 ANT2 9 kHz - 150 kHz 150 kHz - 30 MHz 30 MHz - 1000 MHz 1000 MHz - 8000 MHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (115) / (146) Pages QF-QP15-03 R104 Rev.0 ANT3 9 kHz - 150 kHz 150 kHz - 30 MHz 30 MHz - 1000 MHz 1000 MHz - 8000 MHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (116) / (146) Pages QF-QP15-03 R104 Rev.0 BW 10MHz, Top, 64QAM ANT0 9 kHz - 150 kHz 150 kHz - 30 MHz 30 MHz - 1000 MHz 1000 MHz - 8000 MHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (117) / (146) Pages QF-QP15-03 R104 Rev.0 ANT1 9 kHz - 150 kHz 150 kHz - 30 MHz 30 MHz - 1000 MHz 1000 MHz - 8000 MHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (118) / (146) Pages QF-QP15-03 R104 Rev.0 ANT2 9 kHz - 150 kHz 150 kHz - 30 MHz 30 MHz - 1000 MHz 1000 MHz - 8000 MHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (119) / (146) Pages QF-QP15-03 R104 Rev.0 ANT3 9 kHz - 150 kHz 150 kHz - 30 MHz 30 MHz - 1000 MHz 1000 MHz - 8000 MHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01890 Page (120) / (146) Pages QF-QP15-03 R104 Rev.0 BW 15MHz, Middle, QPSK ANT0 9 kHz - 150 kHz 150 kHz - 30 MHz 30 MHz - 1000 MHz 1000 MHz - 8000 MHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No…

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TEST REPORT CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01891 Page (1) / (51) Pages QF-QP15-03 R104 Rev.0 1. Client ◦ Name : Samsung Electronics Co Ltd ◦ Address : 19 Chapin Rd, Building D. Pine Brook, New Jersey, United States ◦ Date of Receipt : 2020-04-13 2. Manufacturer ◦ Name : Samsung Electronics Co., Ltd. ◦ Address : 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, 16677, Republic of Korea 3. Use of Report : For FCC Certification 4. Test Sample / Model: RF4420d-D1A 5. Date of Test : 2020-04-13 to 2020-05-19 6. Test Standard(method) used : FCC 47 CFR Part 2, 90 7. Testing Environment: Temp.: (24 ± 1) °C, Humidity: (43 ± 1) % R.H. 8. Test Results : Compliance The results shown in this test report refer only to the sample(s) tested unless otherwise stated. This Test Report cannot be reproduced, except in full. Affirmation Tested by Bong-jun, Jang: (Signature) Technical Manager Young-taek, Lee: (Signature) 2019-05-20 Republic of KOREA CTK Co., Ltd. CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01891 Page (2) / (51) Pages QF-QP15-03 R104 Rev.0 REPORT REVISION HISTORY Date Revision Page No 2019-05-20 Issued (CTK-2020-01891) all This report shall not be reproduced except in full, without the written approval of CTK Co., Ltd. This document may be altered or revised by CTK Co., Ltd. personnel only, and shall be noted in the revision section of the document. Any alteration of this document not carried out by CTK Co., Ltd. will constitute fraud and shall nullify the document. CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01891 Page (3) / (51) Pages QF-QP15-03 R104 Rev.0 CONTENTS 1. General Information .................................................................................................. 4 2. Facility and Accreditations .......................................................................................... 6 2.1 Test Facility ...................................................................................................... 6 2.2 Laboratory Accreditations and Listings .................................................................. 6 2.3 Calibration Details of Equipment Used for Measurement .......................................... 6 3. Test Specifications .................................................................................................... 7 3.1 Standards ........................................................................................................ 7 3.2 Mode of operation during the test ........................................................................ 7 3.3 Maximum Measurement Uncertainty .................................................................... 9 3.4 Standards Environmental Test conditions .............................................................. 9 4. RF output power ..................................................................................................... 10 5. Occupied Bandwidth ............................................................................................... 17 6. Spurious Emission at Antenna Terminal ...................................................................... 23 7. Radiated Spurious Emission ..................................................................................... 45 8. Frequency Stability ................................................................................................. 49 APPENDIX A – Test Equipment Used For Tests ................................................................ 51 CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01891 Page (4) / (51) Pages QF-QP15-03 R104 Rev.0 1. General Information 1.1 Client Information Company Samsung Electronics Co., Ltd. Contact Point 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, 16677, Republic of Korea Contact Person Name : Kim, Jong-in E-mail : [email protected] Tel : +82-31-279-3096 1.2 Product Information FCC ID A3LRF4420D-D1A Product Description RRU(RF4420d) Model name RF4420d-D1A Power Supply -48 Vdc Operating Frequency - Band 12 DL : 729 MHz- 744 MHz, UL 699 MHz - 714 MHz - Band 14 DL : 758 MHz- 768 MHz, UL 788 MHz - 798 MHz RF Output Power - Band 12 BW 5 MHz : 20 W / path(Total 4 path = 80 W) BW 10 MHz : 40 W / path(Total 4 path = 160 W) BW 15 MHz : 40 W / path(Total 4 path = 160 W) - Band 14 BW 10 MHz : 40 W / path(Total 4 path =160 W) - Band 12 + Band 14 BW 5 MHz + BW 10 MHz : 60 W / path(Total 4 path = 240 W) BW 10 MHz + BW 10 MHz : 80 W / path(Total 4 path = 320 W) BW 15 MHz + BW 10 MHz : 80 W / path(Total 4 path = 320 W) Channel Bandwidth - Band 12 : 5 MHz, 10 MHz, 15 MHz - Band 14 : 10 MHz Modulation Type QPSK, 16QAM, 64QAM, 256QAM FCC Rule Part 2 : FREQUENCY ALLOCATIONS AND RADIO TREATY MATTERS; GENERAL RULES AND REGULATIONS Part 27 : MISCELLANEOUS WIRELESS COMMUNICATIONS SERVICES Part 90 : PRIVATE LAND MOBILE RADIO SERVICES KDB Publication 662911 D01 Multiple Transmitter Output v02r01 CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01891 Page (5) / (51) Pages QF-QP15-03 R104 Rev.0 1.3 Configurations Band 12 Band 14 EUT (RF4420d-D1A) ANT port: 0 to conduced test 1 2 3 Termination Termination Termination Power Supply Radio Digital Unit(DU) Control Computer GPS Antenna Optical CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2020-01891 Page (6) / (51) Pages QF-QP15-03 R104 Rev.0 2. Facility and Accreditations 2.1 Test Facility The measurement facility is located at (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yong-in-si, Gyeon…

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CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 www.e-ctk.com Test Setup Photos and Configuration Radiated Electric Field Emissions