N52-ADXV-R-37N77LDAS

Advanced RF Technologies, Inc. i ADXV DAS User Manual Version 1.70 3116 West Vanowen St. Burbank, CA 91505 Tel: 818-840-8131 Fax: 818-840-8138 www.adrftech.com AAI SERVICE HOST ADXV-H-NMS-DC LAN1 LAN0 LAN0 RTN -48V DC IN REMOTE 01 02 03 04 05 P(+) LINK N(-) UL IN DL OUT SERVICE E911 DL/UL ADXV-H-POI- X ADXV-H- POI-X UL DL/UL BTS BTS UL IN DL OUT SERVICE E911 DL/UL ADXV-H- POI-X ADXV-H- POI-X UL DL/UL BTS BTS UL IN DL OUT SERVICE E911 DL/UL ADXV-H- POI-X ADXV-H- POI-X UL DL/UL BTS BTS UL IN DL OUT SERVICE E911 DL/UL ADXV- H- POI -X ADXV- H-POI -X UL DL/UL BTS BTS UL IN DL OUT SERVICE E911 DL/UL ADXV-H-POI-X ADXV-H -POI -X UL DL/UL BTS BTS DL IN 1 SERVICE ADXV-H -CHC- 88-DL DL IN7 DL IN6 DL IN5 DL IN4 DL IN3 DL IN2 DL IN1 DL IN8 DL OUT7 DL OUT6 DL OUT5 DL OUT4 DL OUT3 DL OUT2 DL OUT1 DL OUT8 ADXV-H -CHC-88- DL DL IN 1 SERVICE ADXV-H -CHC- 88-UL DL IN7 DL IN6 DL IN5 DL IN4 DL IN3 DL IN2 DL IN1 DL IN8 DL OUT7 DL OUT6 DL OUT5 DL OUT4 DL OUT3 DL OUT2 DL OUT1 DL OUT8 ADXV-H -CHC- 88- UL VHF UL ADXV-H -ODU -4 ADXV- H- ODU -4 UL OUT DL IN VHF UL PWRLDPD4 PD3PD2PD1 VHF DL OPTIC1 OPTIC2 OPTIC3 OPTIC4 OPTIC ADXV-R-ORU DL 1 DL OUT UL IN DL 2 DL 3 DL 4 DL 5 DL 6 UL 1 UL 2 UL 3 UL 4 UL 5 UL 6 E-UL E-DL SERVICE LINK VHF-UL VHF-DL DL INUL OUT SERVICE CPL(-30dB) ADXV-R-3XX SERVER DL INUL OUT SERVICE CPL(-30dB) ADXV-R-3XX SERVER DL INUL OUT SERVICE CPL(-30dB) ADXV-R-3XX SERVER DL INUL OUT SERVICE CPL(-30dB) ADXV-R- 3XX SERVER DL INUL OUT SERVICE CPL(-30dB) ADXV-R-3XX SERVER SERVICE ADXV-R- PSU ALARM Advanced RF Technologies, Inc. ii Information in this document is subject to change without notice. Advanced RF Technologies, Inc. 1996-2015. All rights reserved. Please send comments to: E-Mail:[email protected] Phone: (818) 840-8131 (800) 313-9345 Fax: (818) 840-8138 Address: Advanced RF Technologies, Inc. Attention: Technical Publications Department 3116 Vanowen St. Burbank, CA 91505 USA www.adrftech.com Advanced RF Technologies, Inc. iii Revision History Change List Version Change list Contents Version Author Descriptions Date 0.1 YH Ko Initial Release 03/07/2016 0.9 YH Ko VU, WCS, BRS, PS78 added 1.0 CK CHO VU External Filter, Frequency Range Change Update 07/05/2017 1.1 CK CHO Add Warning Statement 07/25/2017 1.3 CK CHO Add 600MHz Band 01/18/2018 1.31 CK CHO Revision Update 01/26/2018 1.4 CK Cho BTF 11/28/2019 1.5 CK Cho Add 900MHz Band 07/03/2020 1.51 CK Cho Add 900MHz Band revision 10/20/2021 1.60 CK Cho 337FN 06/03/2022 1.70 CK Cho N77L/N77L 08/18/2022 Advanced RF Technologies, Inc. iv Table of Contents 1.Introduction ...................................................................................................................................................... 11 1.1 Highlights ................................................................................................................................................... 11 1.2 ADXV DAS Quick View ................................................................................................................................ 12 1.2.1 HE Quick View .................................................................................................................................... 12 1.2.2 RU Quick View .................................................................................................................................... 13 1.3 Warnings and Hazards ............................................................................................................................... 13 2.Block Diagram ................................................................................................................................................... 16 2.1 ADXV DAS Block Diagram ........................................................................................................................... 16 2.2 ADXV-DAS Scalability ................................................................................................................................. 17 3.ADXv Overview ................................................................................................................................................. 18 3.1 Head End .................................................................................................................................................... 18 3.1.1 NMS (Network Management System) ................................................................................................ 19 3.1.1.1 LEDs .......................................................................................................................................... 20 3.1.1.2 AAI (only for DC type) ............................................................................................................... 20 3.1.1.3 Ethernet Port ............................................................................................................................ 21 3.1.1.4 Host/Remote Switch ................................................................................................................. 21 3.1.1.5 Power Connection .................................................................................................................... 22 3.1.1.6 POI (ADXV-H-POI-x)................................................................................................................... 23 3.1.2 POIL (ADXV-H-POIL-x) ......................................................................................................................... 24 3.1.3 POIL-VU (ADXV-H-POIL-VU) ................................................................................................................ 26 3.1.3.1 LED ............................................................................................................................................ 26 3.1.3.2 RF Ports ..................................................................................................................................... 27 3.1.4 Channel Combiner (CHC, ADXV-H-CHC) .......................…

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ADRF KOREA, Inc. 5- 5, Mojeon-Ri, Backsa-Myun, Icheon-City, Kyunggi-Do,South Korea ____________________________________________________________________________ Date: March 23, 2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road, Columbia, MD 21046 Subject: Letter for Warning Label Message FCC ID: N52-ADXV-R-37N77L To Whom It Ma y Concern: Warning label messages will be also shown in online and point-of-sale marketing materials and on outside packaging of device per KDB 935210 D02 Signal Boosters Certification v04r02 in Section IV clause (d).

FCC US Agent Letter of Attestation Date: 03-24-2023 To: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046, USA FCC US Designated Agent Agent Company Name: Advanced RF Technologies, Inc. Agent Contact Name: Julie Song Agent US Address: 3116 W Vanowen St Burbank, CA 91505 Agent Email Address: [email protected] Agent FRN: 0007740913 This letter is to confirm that we have accepted the responsibility to act as US Agent on behalf of the applicant for the FCC ID listed below. Applicant Name: Hyun-Kyung, Song FCC ID: N52-ADXV-R-37N77L We are aware of the requirements and responsi bilities of the applicant’s agent for service of process as outlined in the FCC section 2.911(d)(7). Sincerely yours, Name: Julie Song Title: President Company name: Advanced RF Technologies, Inc.

Attestation Letter Date: 03-24-2023 FCC ID: N52-ADXV-R-37N77L To: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046, USA We, ADRF KOREA, Inc., as requested by FCC, are declaring that both requirements of Section 2.911 (d)(5)(i)(ii) and 2.911(d)(7) are being satisfied likes below to the FCC requirements to protect the nation`s networks and supply chains from equipment (“covered” equipment) according to FCC 22-84 and KDB 986446 D01. 1.Section 2.911 (d)(5)(i)(ii)) 2.911 (d)(5)(i) We certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. 2.911 (d)(5)(ii) And, we certifies that one of following, ☒ 1. We are not identified on the Covered List and are not an affiliate or subsidiary of an entity identified on the Covered List. ☐ 2. We are identified on the Covered List as an entity producing “covered” equipment. But, we can be authorized since the reason as explained below. ☐ 3. We are an affiliate or subsidiary of an entity identified on the Covered List. But, we can be authorized since the reason as explained below. *Only one of paragraphs 1, 2 or 3 should be checked, if checked on paragraphs 2 or 3, the reason why it does not include the “covered” equipment. 2.Section 2.911(d)(7) We, as required by section 2.911(d)(7), designates the following agent, located in the United States, for purposes of acting as the applicant’s agent for service of process. We will maintain the agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. And we have the responsibility to inform the FCC whenever the agent information changes. FCC US Agent Information Agent Company Name: Advanced RF Technologies, Inc. Agent Contact Name: Julie Song Agent US Address: 3116 W Vanowen St Burbank, CA 91505 Agent Email Address: [email protected] Agent FRN: 0007740913 Sincerely yours, Name: Hyun-Kyung, Song Title: Management Support Team Manager Company Name: ADRF KOREA, Inc.

ADRF KOREA, Inc. 5- 5, Mojeon-Ri, Backsa-Myun, Icheon-City, Kyunggi-Do,South Korea ____________________________________________________________________________ Date: March 23, 2023 Fed eral Communications Commission Authorization and Evaluation Division 7435 Oakland Mill s Road, Columbia, MD 21046 RE: Request of Confidentiality for FCC ID: N52-ADXV-R-37N77L To Whom It Ma y Concern: Pursuant to Sections 0.457 and 0.459 of the Commission’s Rule s (CF R 47), and Section 552 (b) (4 ) of the Free dom of Information Act, ADRF KOREA, Inc. here by requests confidentiality and treatment of certain information accompanying this application. The materials contain trad e secrets and proprietary information not customarily released to the public. Th e publi c disclosure of thes e matters might be harmful to th e Applicant and provide unjustified benefits to it s competitors. We are also hereby request Short-Ter m Confidentiality for 180 days after the grant as outlined in Public Notice DA 04-1705. This provision will giv e ADRF KOREA, Inc. temporary confidentiality of commercially sensitive information prior to product release. The requested Confidential and Temporary Confidential exhibits ar e listed as follows: CONFIDENTIAL AND SHORT-TERM CONFIDENTIAL LIST Exhibit Description CONFIDENTIAL 1 Block Diagram 2 Operational Descriptions 3 Parts Lists and Tune-Up Procedure 4 Schematics SHORT-TERM CONFIDENTIAL 5 Internal Photos & External photo 6 Test-Setup Photos 7 User Manual The Applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentations, where applicable, will not be made public before the date of the Grant for this application. Sincerely,

Date : Oct. 01, 2012 Rev : 2.0 HACS-F004 FCC Agent Authorization Letter HCT America LLC ([email protected]) 44946 Osgood Rd, Fremont, CA 94539, USA TEL: +1.510.933.8848, Fax: +1.510.933.8849 Page 1 of 2 This document is electronically controlled. Hard copy documents are uncontrolled. Please check all hard copies against the controlled electronic copy to ensure validity. This document is the confidential property of HCT America LLC. It may not be forwarded or reproduced in whole or in part without written permissions from HCT America LLC FCC Agent Authorization Letter Date : Oct. 01, 2012 Rev : 2.0 HACS-F004 FCC Agent Authorization Letter HCT America LLC ([email protected]) 44946 Osgood Rd, Fremont, CA 94539, USA TEL: +1.510.933.8848, Fax: +1.510.933.8849 Page 2 of 2 This document is electronically controlled. Hard copy documents are uncontrolled. Please check all hard copies against the controlled electronic copy to ensure validity. This document is the confidential property of HCT America LLC. It may not be forwarded or reproduced in whole or in part without written permissions from HCT America LLC REVISION TABLE Rev Description of Change Date Approved 1.0 Original Release(Obsolete) 06/28/2012 QM 2.0 Updated template 10/01/2012 QM ADRF KOREA, Inc. HACS-F004 FCC Agent Authorization Letter Rev : 2.0 5- 5, Mojeon-Ri, Backsa-Myun, Icheon-City, Kyu nggi- Do,South Korea ____________________________________________________________________________ Date: March 23, 2023 To: Federal Communications Comm iss ion Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD To whom it may concern: Subject : FCC Agent Authoriz ation Letter for FCC ID: N52-ADXV-R-37N77L We, the undersigned, hereby authorize HCT CO., LTD to act on our behalf in all manners relating to application for equipment authorization, inc luding signing of all documents relating to t hese matters. Any and all acts carried out by HCT CO., LTD on our behalf shall have the same effect as acts of our own. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Sec tion 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). We recognize that we are still responsible for the terms and conditions outlined in the HCT America Client Services Agreement. This authorization is valid until further writt en notice from the applicant. Sincerely,

FCC ID: N52-ADXV-R-37N77L HCT CO., LTD. 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, 17383, Rep. of KOREA TEL : + 82 31 645 6300 FAX : + 82 31 645 6401 www.hct.co.kr Page １ of 8 EXTERNAL PHOTOGRAPHS FCC ID: N52-ADXV-R-37N77L HCT CO., LTD. 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, 17383, Rep. of KOREA TEL : + 82 31 645 6300 FAX : + 82 31 645 6401 www.hct.co.kr Page ２ of 8 ■ EXTERNAL PHOTO(Top) FCC ID: N52-ADXV-R-37N77L HCT CO., LTD. 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, 17383, Rep. of KOREA TEL : + 82 31 645 6300 FAX : + 82 31 645 6401 www.hct.co.kr Page ３ of 8 ■ EXTERNAL PHOTO(Bottom) FCC ID: N52-ADXV-R-37N77L HCT CO., LTD. 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, 17383, Rep. of KOREA TEL : + 82 31 645 6300 FAX : + 82 31 645 6401 www.hct.co.kr Page ４ of 8 ■ EXTERNAL PHOTO(Left) FCC ID: N52-ADXV-R-37N77L HCT CO., LTD. 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, 17383, Rep. of KOREA TEL : + 82 31 645 6300 FAX : + 82 31 645 6401 www.hct.co.kr Page ５ of 8 ■ EXTERNAL PHOTO(Right) FCC ID: N52-ADXV-R-37N77L HCT CO., LTD. 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, 17383, Rep. of KOREA TEL : + 82 31 645 6300 FAX : + 82 31 645 6401 www.hct.co.kr Page ６ of 8 ■ EXTERNAL PHOTO(Front) FCC ID: N52-ADXV-R-37N77L HCT CO., LTD. 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, 17383, Rep. of KOREA TEL : + 82 31 645 6300 FAX : + 82 31 645 6401 www.hct.co.kr Page ７ of 8 ■ EXTERNAL PHOTO(Rear) FCC ID: N52-ADXV-R-37N77L HCT CO., LTD. 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, 17383, Rep. of KOREA TEL : + 82 31 645 6300 FAX : + 82 31 645 6401 www.hct.co.kr Page ８ of 8 ■ EXTERNAL PHOTO End of report

ADXV-R-37N77L FCC Label Label 1 La bel 2

FCC ID: N52-ADXV-R-37N77L HCT CO., LTD 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, 17383, Rep. of KOREA TEL : + 82 31 645 6300 FAX : + 82 31 645 6401 www.hct.co.kr Page １ of 7 INTERNAL PHOTOGRAPHS FCC ID: N52-ADXV-R-37N77L HCT CO., LTD 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, 17383, Rep. of KOREA TEL : + 82 31 645 6300 FAX : + 82 31 645 6401 www.hct.co.kr Page ２ of 7 ■ INTERNAL PHOTO(ADXV-MPR-N77L CTRL B'd BOTTOM) FCC ID: N52-ADXV-R-37N77L HCT CO., LTD 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, 17383, Rep. of KOREA TEL : + 82 31 645 6300 FAX : + 82 31 645 6401 www.hct.co.kr Page ３ of 7 ■ INTERNAL PHOTO(ADXV-MPR-N77L CTRL B'd TOP) FCC ID: N52-ADXV-R-37N77L HCT CO., LTD 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, 17383, Rep. of KOREA TEL : + 82 31 645 6300 FAX : + 82 31 645 6401 www.hct.co.kr Page ４ of 7 ■ INTERNAL PHOTO(ADXV-R-37N77L_Int.Photo) FCC ID: N52-ADXV-R-37N77L HCT CO., LTD 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, 17383, Rep. of KOREA TEL : + 82 31 645 6300 FAX : + 82 31 645 6401 www.hct.co.kr Page ５ of 7 ■ INTERNAL PHOTO(DPD Board-R-37N77L_bot) FCC ID: N52-ADXV-R-37N77L HCT CO., LTD 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, 17383, Rep. of KOREA TEL : + 82 31 645 6300 FAX : + 82 31 645 6401 www.hct.co.kr Page ６ of 7 ■ INTERNAL PHOTO(DPD Board-R-37N77L_top) FCC ID: N52-ADXV-R-37N77L HCT CO., LTD 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, 17383, Rep. of KOREA TEL : + 82 31 645 6300 FAX : + 82 31 645 6401 www.hct.co.kr Page ７ of 7 ■ INTERNAL PHOTO(RF Module-NWA3838-DAD) End of report

TEST REPORT FCC MPE Test for ADXV-R-37N77L Certification APPLICANT ADRF KOREA, Inc. REPORT NO. HCT-RF-2303-FC004 DATE OF ISSUE March 17, 2023 Tested by Sang Su Lee Technical Manager Jong Seok Lee F-TP22-03(Rev.04) HCT CO., LTD. 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, 17383 KOREA Tel. +82 31 634 6300 Fax. +82 31 645 6401 1 / 13 The report shall not be reproduced except in full(only partly) without approval of the laboratory. F-TP22-03 (Rev. 04) Page 2 of 13 HCT Co., Ltd. 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, 17383 KOREA Tel. +82 31 634 6300 Fax. +82 31 645 6401 TEST REPORT FCC MPE Test for ADXV-R-37N77L REPORT NO. HCT-RF-2303-FC004 DATE OF ISSUE March 17, 2023 Additional Model - A pplicantADRF KOREA, Inc. 5-5, Mojeon-Ri, Backsa-Myun, Icheon-Citi, Kyunggi-Do, Korea Eut Type Model Name DAS ADXV-R-37N77L FCC ID N52-ADXV-R-37N77L The result shown in this test report refer only to the sample(s) tested unless otherwise stated. This test results were applied only to the test methods required by the standard. Report No. HCT-RF-2303-FC004 F-TP22-03 (Rev. 04) Page 3 of 13 REVISION HISTORY The revision history for this test report is shown in table. Revision No. Date of Issue Description 0 March 17, 2023 Initial Release The measurements shown in this report were made in accordance with the procedures indicated, and the emissions from this equipment were found to be within the limits applicable. I assume full responsibility for the accuracy and completeness of these measurements, and for the qualifications of all persons taking them. It is further stated that upon the basis of the measurements made, the equipment tested is capable of operation in accordance with the requirements of the FCC Rules under normal use and maintenance. If this report is required to confirmation of authenticity, please contact to www.hct.co.kr Report No. HCT-RF-2303-FC004 F-TP22-03 (Rev. 04) Page 4 of 13 RF Exposure Statement 1. LIMITS According to §1.1310 and §2.1091 RF exposure is calculated. (B) Limits for General Population/Uncontrolled Exposures Frequency range (MHz) Electric field Strength (V/m) Magnetic field Strength (A/m) Power density (mW/cm²) Averaging time (minutes) 0.3 - 1.34 1.34 - 30 30 - 300 300 - 1500 1500 - 100.000 614 824/f 27.5   1.63 2.19/f 0.073   *(100) *(180/f²) 0.2 f/1500 1.0 30 30 30 30 30 F = frequency in MHz * = Plane-wave equivalent power density 2. MAXIMUM PERMISSIBLE EXPOSURE Prediction Prediction of MPE limit at a given distance S = PG/4πR² S = Power density P = power input to antenna G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna Report No. HCT-RF-2303-FC004 F-TP22-03 (Rev. 04) Page 5 of 13 3. Result - 3.45 GHz Service 5G NR 20 MHz (Downlink), [Antenna gain: 11.8 dBi, Separation distance: 100 cm] Max Peak output Power at antenna input terminal 37.50 dBm Max Peak output Power at antenna input terminal 5 623.41 mW Prediction distance 100.00 cm Prediction frequency 3 450.00 MHz Antenna Gain(typical) 11.80 dBi Antenna Gain(numeric) 15.14 - Power density at prediction frequency(S) 0.6773 mW/cm 2 MPE limit for uncontrolled exposure at prediction frequency 1.0000 mW/cm 2 - 3.45 GHz Service 5G NR 40 MHz (Downlink), [Antenna gain: 11.8 dBi, Separation distance: 100 cm] Max Peak output Power at antenna input terminal 37.50 dBm Max Peak output Power at antenna input terminal 5 623.41 mW Prediction distance 100.00 cm Prediction frequency 3 450.00 MHz Antenna Gain(typical) 11.80 dBi Antenna Gain(numeric) 15.14 - Power density at prediction frequency(S) 0.6773 mW/cm 2 MPE limit for uncontrolled exposure at prediction frequency 1.0000 mW/cm 2 Report No. HCT-RF-2303-FC004 F-TP22-03 (Rev. 04) Page 6 of 13 - 3.45 GHz Service 5G NR 60 MHz (Downlink), [Antenna gain: 11.8 dBi, Separation distance: 100 cm] Max Peak output Power at antenna input terminal 37.50 dBm Max Peak output Power at antenna input terminal 5 623.41 mW Prediction distance 100.00 cm Prediction frequency 3 450.00 MHz Antenna Gain(typical) 11.80 dBi Antenna Gain(numeric) 15.14 - Power density at prediction frequency(S) 0.6773 mW/cm 2 MPE limit for uncontrolled exposure at prediction frequency 1.0000 mW/cm 2 - 3.45 GHz Service 5G NR 80 MHz (Downlink), [Antenna gain: 11.8 dBi, Separation distance: 100 cm] Max Peak output Power at antenna input terminal 37.50 dBm Max Peak output Power at antenna input terminal 5 623.41 mW Prediction distance 100.00 cm Prediction frequency 3 450.00 MHz Antenna Gain(typical) 11.80 dBi Antenna Gain(numeric) 15.14 - Power density at prediction frequency(S) 0.6773 mW/cm 2 MPE limit for uncontrolled exposure at prediction frequency 1.0000 mW/cm 2 Report No. HCT-RF-2303-FC004 F-TP22-03 (Rev. 04) Page 7 of 13 - 3.45 GHz Service 5G NR 100 MHz (Downlink), [Antenna gain: 11.8 dBi, Separation distance: 100 cm] Max Peak output Power at antenna input terminal 37.50 dBm Max Peak output Power at antenna input terminal 5 623.41 mW Prediction distance 100.00 cm Prediction frequency 3 450.00 MHz Antenna Gain(typical) 11.80 dBi Antenna Gain(numeric) 15.14 - Power density at prediction frequency(S) 0.6773 mW/cm 2 MPE limit for uncontrolled exposure at prediction frequency 1.0000 mW/cm 2 Report No. HCT-RF-2303-FC004 F-TP22-03 (Rev. 04) Page 8 of 13 - 3.45 GHz Service 5G NR 20 MHz (Downlink), [Antenna gain: 17.8 dBi, Separation distance: 200 cm] Max Peak output Power at antenna input terminal 37.50 dBm Max Peak output Power at antenna input terminal 5 623.41 mW Prediction distance 200.00 cm Prediction frequency 3 450.00 MHz Antenna Gain(typical) 17.80 dBi Antenna Gain(numeric) 60.26 - Power density at prediction frequency(S) 0.6741 mW/cm 2 MPE limit for uncontrolled exposure at prediction frequency 1.0000 mW/cm 2 - 3.45 GHz Service 5G NR 40 MHz (Downlink), [Antenna gain: 17.8 dBi, Separation distance: 200 cm] Max Peak output Pow…

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TEST REPORT FCC Test for ADXV-R-37N77L Certification APPLICANT ADRF KOREA, Inc. REPORT NO. HCT-RF-2303-FC003 DATE OF ISSUE March 17, 2023 Tested by Sang Su Lee Technical Manager Jong Seok Lee F-TP22-03(Rev.04) HCT CO., LTD. 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, 17383 KOREA Tel. +82 31 634 6300 Fax. +82 31 645 6401 1 / 110 The report shall not be reproduced except in full(only partly) without approval of the laboratory. F-TP22-03 (Rev. 04) Page 2 of 110 HCT Co., Ltd. 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, 17383 KOREA Tel. +82 31 634 6300 Fax. +82 31 645 6401 TEST REPORT FCC Test for ADXV-R-37N77L REPORT NO. HCT-RF-2303-FC003 DATE OF ISSUE March 17, 2023 Additional Model - A pplicantADRF KOREA, Inc. 5-5, Mojeon-Ri, Backsa-Myun, Icheon-Citi, Kyunggi-Do, Korea Eut Type Model Name DAS ADXV-R-37N77L FCC IDN52-ADXV-R-37N77L Output PowerDownlink: 37 dBm Date of TestJanuary 30, 2023 ~ March 16, 2023 FCC Rule Parts:CFR 47 Part 2, Part 27 The result shown in this test report refer only to the sample(s) tested unless otherwise stated. This test results were applied only to the test methods required by the standard. Report No. HCT-RF-2303-FC003 F-TP22-03 (Rev. 04) Page 3 of 110 REVISION HISTORY The revision history for this test report is shown in table. Revision No. Date of Issue Description 0 March 17, 2023 Initial Release The measurements shown in this report were made in accordance with the procedures indicated, and the emissions from this equipment were found to be within the limits applicable. I assume full responsibility for the accuracy and completeness of these measurements, and for the qualifications of all persons taking them. It is further stated that upon the basis of the measurements made, the equipment tested is capable of operation in accordance with the requirements of the FCC Rules under normal use and maintenance. If this report is required to confirmation of authenticity, please contact to www.hct.co.kr Report No. HCT-RF-2303-FC003 F-TP22-03 (Rev. 04) Page 4 of 110 CONTENTS 1. GENERAL INFORMATION 5 1.1. APPLICANT INFORMATION 5 1.2. PRODUCT INFORMATION 5 1.3. TEST INFORMATION 5 2. FACILITIES AND ACCREDITATIONS 6 2.1. FACILITIES 6 2.2. EQUIPMENT 6 3. TEST SPECIFICATIONS 7 3.1. STANDARDS 7 3.2. ADDITIONAL DESCRIPTIONS ABOUT TEST 8 3.3. MEASUREMENTUNCERTAINTY 10 3.4. STANDARDS ENVIRONMENTAL TEST CONDITIONS 10 3.5. TEST DIAGRAMS 11 4. TEST EQUIPMENTS 13 5. TEST RESULT 14 5.1. AGC THRESHOLD 14 5.2. OUT-OF-BAND REJECTION 16 5.3. INPUT-VERSUS-OUTPUT SIGNAL COMPARISON 18 5.4. INPUT/OUTPUT POWER AND AMPLIFIER/BOOSTER GAIN 32 5.5. OUT-OF-BAND/OUT-OF-BLOCK EMISSIONS AND SPURIOUS EMISSIONS 45 5.6. RADIATED SPURIOUS EMISSIONS 101 5.7. FREQUENCY STABILITY 105 6. Annex A_EUT AND TEST SETUP PHOTO 110 Report No. HCT-RF-2303-FC003 F-TP22-03 (Rev. 04) Page 5 of 110 1. GENERAL INFORMATION 1.1. APPLICANT INFORMATION Company Name ADRF KOREA, Inc. Company Address 5-5, Mojeon-Ri, Backsa-Myun, Icheon-Citi, Kyunggi-Do, Korea 1.2. PRODUCT INFORMATION EUT Type DAS EUT Serial Number ADXVR37N77L220000 Power Supply 100-240 VAC, 50/60 Hz / 36~76 VDC Frequency Range Band Name Downlink (MHz) 3.45 GHz Service 3 450 ~ 3 550 Tx Output Power 37 dBm Antenna Peak Gain Maximum Directional Peak Gain: 21.3 dBi 1.3. TEST INFORMATION FCC Rule Parts CFR 47 Part 2, Part 27 Measurement Standards KDB 935210 D05 v01r04, KDB 971168 D01 v03r01, ANSI C63.26-2015 Test Location HCT CO., LTD. 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, 17383, Rep. of KOREA Report No. HCT-RF-2303-FC003 F-TP22-03 (Rev. 04) Page 6 of 110 2. FACILITIES AND ACCREDITATIONS 2.1. FACILITIES The SAC(Semi-Anechoic Chamber) and conducted measurement facility used to collect the radiated data are located at the 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, 17383, Rep. of KOREA. The site is constructed in conformance with the requirements of ANSI C63.4 (Version: 2014) and CISPR Publication 22. Detailed description of test facility was submitted to the Commission and accepted dated April 02, 2018 (Registration Number: KR0032). 2.2. EQUIPMENT Radiated emissions are measured with one or more of the following types of linearly polarized antennas: tuned dipole, bi-conical, log periodic, bi-log, and/or ridged waveguide, horn. Spectrum analyzers with pre-selectors and quasi-peak detectors are used to perform radiated measurements. Calibrated wideband preamplifiers, coaxial cables, and coaxial attenuators are also used for making measurements. All receiving equipment conforms to CISPR Publication 16-1, ᄲRadio Interference Measuring Apparatus and Measurement Methods.ᄶ Report No. HCT-RF-2303-FC003 F-TP22-03 (Rev. 04) Page 7 of 110 3. TEST SPECIFICATIONS 3.1. STANDARDS The following tests were conducted on a sample of the equipment for the purpose of demonstrating compliance with FCC Part 2, Part 27 Description Reference Results AGC threshold KDB 935210 D05 v01r04 3.2 Compliant Out-of-band rejection KDB 935210 D05 v01r04 3.3 Compliant Input-versus-output signal comparison §2.1049 Compliant Input/output power and amplifier/booster gain §2.1046, §27.50(k)(2), §27.50(k)(4) Compliant Out-of-band/out-of-block emissions and spurious emissions §2.1051, §27.53(n)(1) Compliant Spurious emissions radiated §2.1053, §27.53(n)(1) Compliant Frequency Stability §2.1055 §27.54 Compliant Report No. HCT-RF-2303-FC003 F-TP22-03 (Rev. 04) Page 8 of 110 3.2. ADDITIONAL DESCRIPTIONS ABOUT TEST Except for the following cases, EUT was tested under normal operating conditions. : Out-of-band rejection test requires maximum gain condition without AGC. The test was generally based on the method of KDB 935210 D05 v01r04 and only followed ANSI C63.26-2015 if there was no test method in KDB standard. EUT was tested with following modulated signals provide by applicant. Band Name Tested signals 3.45 GHz Service 5G NR 20 MHz 5G NR 40 MHz 5G NR 60 MHz 5G NR 80 MHz 5G NR 100 MHz All power supplies of operati…

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