FCC ID: A3LRF4451D-70A RRU (RF4451d)

Label design The label is a plastic sticker affixed to the product via permanent adhesive. It is designed to last the expected lifetime of the product in the environment in which the product is to be operated. Label position The label is a sticker affixed to the product via adhesive.

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(Maetan-dong) 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, Republic of Korea Model Number : RF4451d-70A To whom it may it concern:

I hereby appoint Jongin Kim 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,

Jenni Chun / Head of Regulatory & Environmental Affairs Samsung Electronics America, Inc. Address: 19 Chapin Rd., Building D Pine Brook, NJ 07058 Tel: 1-800-SAMSUNG (1-800-726-7864) Date: November 28, 2023

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This is to request a Class II permissive change to our product (FCC ID: A3LRF4451D-70A), This is to request for a reassessment of the originally certified equipment because additional operation mode have been made which affect the RF characteristics of the previously certified product. For this Class II permissive change, it enabled additional channel Bandwidth via software without any hardware change. Added NR channel Bandwidth 15, 30 MHz on n66. Added component carriers up to 3CC on n66. This authorization is valid until further written notice from the applicant. Please contact me if you have any questions or need future information regarding this application. Regards, Jongin Kim / Principal Engineer SAMSUNG Electronics Co.,Ltd.

(Maetan-dong) 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, 16677, Republic of Korea

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(Maetan-dong) 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, Republic of Korea Date: November 28, 2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road, Columbia, MD 21046 Request of Confidentiality for FCC ID: A3LRF4451D-70A To Whom It May Concern:

Pursuant to Sections 0.457 and 0.459 of the Commissions Rules (CFR 47), and Section 552 (b) (4) of the Freedom of Information Act, SAMSUNG Electronics Co., Ltd.. hereby requests confidentiality and treatment of certain information accompanying this application. The 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. We are also hereby request Short-Term Confidentiality for 180 days after the grant as outlined in Public Notice DA 04-1705. This provision will give SAMSUNG Electronics Co., Ltd. temporary confidentiality of commercially sensitive information prior to product release. The requested Confidential and Temporary Confidential exhibits are listed as follows:

CONFIDENTIAL AND SHORT-TERM CONFIDENTIAL LIST LONG-TERM CONFIDENTIAL SHORT-TERM CONFIDENTIAL Exhibit 1 2 Operational Descriptions Users manual Description 3 Test-Setup Photos 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, Jongin Kim / Principal Engineer SAMSUNG Electronics Co.,Ltd.

(Maetan-dong) 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, 16677, Republic of Korea

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(Maetan-dong) 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, Republic of Korea Date: November 28, 2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road, Columbia, MD 21046 RE: Request of Long-Term Confidentiality for FCC ID: A3LRF4451D-70A To Whom It May Concern:

This is a request to hold the user manual for FCC ID: A3LRF4451D-70A under long term confidentiality. The transmitter is a Base Station where access is controlled and only available to trained personnel. The user manual is being requested to be confidential under the FCC guidelines that the manual is very technical and is not provided to the general public. The user manual contains proprietary information required for trained installers to commission the base station. The user manual will be used by the licensee or his designated technicians only. Having the subject information easily available to competitors would negate the advantage we have achieved by developing this product. All sales of the non-consumer device will be under NDA to include 3rd party sales and that the final user of the device is subject to the NDA as required by the special conditions of section II)3)c) of KDB 726920 D01. The requested Long-Term Confidential exhibits are list as follows:

LONG-TERM CONFIDENTIAL LIST Exhibit Description LONG-TERM CONFIDENTIAL 1 Users Manual Sincerely, Jongin Kim / Principal Engineer SAMSUNG Electronics Co.,Ltd.

(Maetan-dong) 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, 16677, Republic of Korea

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(Maetan-dong) 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, Republic of Korea CERTIFICATION FOR US AGENT ACCEPTING SERVICE OF PROCESS Per 47CFR 2.911(d)(7) and FCC KDB 986446 D01 TO:

Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: A3LRF4451D-70A This letter is to confirm you the below mentioned U.S. Agent is accepting the responsibility to act as the U.S. based Agent for service of process for this Equipment Authorization. We, SAMSUNG Electronics Co.,Ltd, (the applicant) will maintain this agent in the US for no less than one year after either all marketing or importation to the US is terminated (or the conclusion of any Commission-

related administrative or judicial proceeding involving the equipment), whichever is later. U.S. AGENT Company Name:

Contact Name:

Address:

Telephone No:

Email:

FRN:

Samsung Electronics America, Inc. Jenni Chun 19 Chapin Rd., Building D Pine Brook, NJ 07058

+1-800-726-7864 j1.chun@samsung.com 0027908797 By By Jenni Chun Jongin Kim Samsung Electronics America, Inc. Samsung Electronics Co., Ltd. Head of Regulatory & Environmental Affairs Principal Engineer November 28, 2023 November 28, 2023

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(Maetan-dong) 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, Republic of Korea Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Date: November 28, 2023 Covered Equipment for FCC ID: A3LRF4451D-70A To whom it may concern:

We, SAMSUNG Electronics Co.,Ltd, certify that the equipment for which it seeks an equipment authorization is not prohibited from receiving an equipment authorization pursuant to section 2.903. Section 2.903 (a) prohibits authorization of covered equipment. Per Section 2.911(d)(5)(i)- (ii) 1. SAMSUNG Electronics Co.,Ltd, (the applicant) 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. SAMSUNG Electronics Co.,Ltd, (the applicant) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing covered equipment. Note. If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, including affiliates or subsidiaries of the named companies, the applicant must include an explanation on why the equipment is not covered equipment. If this option is selected, then a KDB Inquiry will be submitted to the FCC by this TCB to evaluate your explanation and make a determination on whether the equipment can be authorized. Please provide this explanation in a separate document which will then be submitted in the KDB inquiry. Sincerely, Jenni Chun / Head of Regulatory & Environmental Affairs Samsung Electronics America, Inc. 19 Chapin Rd., Building D Pine Brook, NJ 07058

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(Maetan-dong) 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, Republic of Korea Date: November 28, 2023 Application Examiner / Reviewing Engineer Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: A3LRF4451D-70A To whom it may concern:

We, the undersigned, hereby authorize < Element Materials Technology Washington DC LLC >, to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by < Element Materials Technology Washington DC LLC > 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 Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). In authorizing < Element Materials Technology Washington DC LLC > as our agent, we still recognize that we are responsible to:

a) b) c) d) e) f) g) comply with the relevant provisions of the certification program;

make all necessary arrangements for the conduct of the evaluation, including provision for examining documentation and access to all areas, records (including internal audit reports) and personnel for the purposes of evaluation (e.g. testing, inspection, assessment, surveillance, reassessment) and resolution of complaints;

make claims regarding certification only in respect of the scope for which certification has been granted;

do not use our product certification in such a manner as to bring the Certification Division into disrepute and not make any statement regarding our product certification which the Certification Division may consider misleading or unauthorized;

upon suspension or cancellation of certification, discontinue use of all advertising matter that contains any reference thereto and return any certification documents as required by the Certification Division;

use certification only to indicate the products are certified as being in conformity with specified standards;

endeavor to ensure that no certificate or report nor any part thereof is used in a misleading manner;

h) i) j) ensure that any reference to our product certification in communication media such as documents, brochures or advertising, complies with the requirements of the Certification Division;

keep a record of all complaints made known to the us relating to the products compliance with requirements of the relevant standard and to make these records available to the Certification Division when requested;

take appropriate action with respect to such complaints and any deficiencies found in products or services that affect compliance with the requirements for certification;

k) document the actions taken. This authorization is valid until further written notice from the applicant. Sincerely Yours, Jongin Kim / Principal Engineer SAMSUNG Electronics Co.,Ltd

(Maetan-dong) 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, 16677, Republic of Korea REMARK:

1 2 This authorization letter will be sent along with your application when filing with the Certification Division. Please follow the format and type it on company letterhead and send original to us.

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(Maetan-dong) 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, Republic of Korea Date: November 14, 2022 Application Examiner / Reviewing Engineer Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: A3LRF4451D-70A To whom it may concern:

We, the undersigned, hereby authorize < Element Materials Technology Washington DC LLC >, to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by < Element Materials Technology Washington DC LLC > 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 Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). In authorizing < Element Materials Technology Washington DC LLC > as our agent, we still recognize that we are responsible to:

a) b) c) d) e) f) g) comply with the relevant provisions of the certification program;

make all necessary arrangements for the conduct of the evaluation, including provision for examining documentation and access to all areas, records (including internal audit reports) and personnel for the purposes of evaluation (e.g. testing, inspection, assessment, surveillance, reassessment) and resolution of complaints;

make claims regarding certification only in respect of the scope for which certification has been granted;

do not use our product certification in such a manner as to bring the Certification Division into disrepute and not make any statement regarding our product certification which the Certification Division may consider misleading or unauthorized;

upon suspension or cancellation of certification, discontinue use of all advertising matter that contains any reference thereto and return any certification documents as required by the Certification Division;

use certification only to indicate the products are certified as being in conformity with specified standards;

endeavor to ensure that no certificate or report nor any part thereof is used in a misleading manner;

h) i) j) ensure that any reference to our product certification in communication media such as documents, brochures or advertising, complies with the requirements of the Certification Division;

keep a record of all complaints made known to the us relating to the products compliance with requirements of the relevant standard and to make these records available to the Certification Division when requested;

take appropriate action with respect to such complaints and any deficiencies found in products or services that affect compliance with the requirements for certification;

k) document the actions taken. This authorization is valid until further written notice from the applicant. Sincerely Yours, Jongin Kim / Principal Engineer SAMSUNG Electronics Co.,Ltd

(Maetan-dong) 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, 16677, Republic of Korea REMARK:

1 2 This authorization letter will be sent along with your application when filing with the Certification Division. Please follow the format and type it on company letterhead and send original to us.