FCC ID: A3LMF1601D-25A MMU(MF1601d)

SAMSUNG Product : MMU (MFI601d) Model :MFI601d-25A, Yen Phong 1 industrial Zone, Yen Trung Commune, Yen Phong District, Bac Ninh Province, Vietnam MADE IN VIETNAM Rating: =:-48V; 372A FCCID : ASLMFI6O1D-258 This device complies with Part 5 ofthe FCC Rules. Operation is subject tothe fllowing two conditions:

() This device may not cause harmful interference, and

(2)this device must accept any interference received, Inluding interference that may cause undesired operation. IP6s, SEV RAINPROOF Fragost SAMSUNG Product: MMU (MF1601d) Model :MF16014-25A 129, Samsung-ro, Yeongtong-gu, Suvion-si, Gyeonggi-do, Korea MADE IN KOREA Rating: =:-48V; 372A FCCID : ASLMFIO1D-250 This device complies with Part15 ofthe FCC Rules.

(Operation i subject to the allowing two conditions:

(0) This device may nt cause harmfUl interference, and

{2)this device must accept any interference received, including interference that may cause undesired operation.

'P6s suWON s 149091 RAINPROOF iad @ t

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(Maetan-dong) 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, Republic of Korea Model Number : MF1601d-25A 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 / General Manager Samsung Electronics America, Inc. Address: 19 Chapin Rd., Building D Pine Brook, NJ 07058 Tel: 1-800-SAMSUNG (1-800-726-7864) Date: October 28, 2022

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This is to request a Class II permissive change to our product (FCC ID: A3LMF1601D-25A), 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 Radio Access Technology and channel Bandwidth via software without any hardware change. Maximum 6C per RU can be supported as below tech and configuration

- PCS(B2) : Max 3CC, AWS(B66) : Max 4CC

- LTE/NR : 5/10/15/20MHz

. LTE Support (5/10/15/20 MHz) upto 6C

. NR Support (5/10/15/20 MHz) upto 3C

- DSS : 10/15/20MHz (up to 1C)

. DSS Support (10/15/20 MHz)

- Multi tech operation under Max 6C (PCS: 3C, AWS: 4C)

. LTE 3C + (up to 3C) NR

. LTE 4C + DSS 1C

. LTE 3C + DSS 1C + NR 1C

. LTE 2C + DSS 1C + NR 2C 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: October 21, 2022 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road, Columbia, MD 21046 Request of Confidentiality for FCC ID: A3LMF1601D-25A 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 Exhibit Description LONG-TERM CONFIDENTIAL SHORT-TERM CONFIDENTIAL 1 2 3 3 Operational Descriptions Users Manual Block Diagram 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: October 21, 2022 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road, Columbia, MD 21046 RE: Request of Long-Term Confidentiality for FCC ID: A3LMF1601D-25A To Whom It May Concern:

This is a request to hold the user manual for FCC ID: A3LMF1601D-25A 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 Date: October 28, 2022 Application Examiner / Reviewing Engineer Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: A3LMF1601D-25A 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.

SAMSUNG Electronics CO., Ltd.

(Maetan-dong) 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, Republic of Korea Model Number : MF1601d-25A 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 / General Manager Samsung Electronics America, Inc. Address: 19 Chapin Rd., Building D Pine Brook, NJ 07058 Tel: 1-973-808-6375 Date: April 21, 2021

SAMSUNG Electronics CO., Ltd.

(Maetan-dong) 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, Republic of Korea Date: April 21, 2021 Compliance Certification Services Certification Division 561F Monterey Road Morgan Hill, CA 95037 To whom it may concern:

We, the undersigned, hereby authorize < HCT CO., LTD. >, 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 < 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 Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). In authorizing < HCT CO., LTD. > as our agent, we still recognize that we are responsible to:

a) b) c) d) e) f) g) h) 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;

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;

i) j) 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 Research 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.

SAMSUNG Electronics CO., Ltd.

(Maetan-dong) 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, Republic of Korea Date: April 21, 2021 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road, Columbia, MD 21046 To Whom It May Concern:

RE: Request of Confidentiality for FCC ID: A3LMF1601D-25A 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 Description Exhibit 1 2 3 4 5 6 7 8 Block Diagram Operational Descriptions Parts Lists and Tune-Up Procedure Schematics Internal Photos Users Manual External Photos Test-Setup Photos CONFIDENTIAL SHORT-TERM CONFIDENTIAL 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 Research Engineer SAMSUNG Electronics Co.,Ltd.

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

SAMSUNG Electronics CO., Ltd.

(Maetan-dong) 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, Republic of Korea April 21, 2021 Application Examiner / Reviewing Engineer Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 To Whom It May Concern, This is a request to hole the internal photos and user manual for FCC ID: A3LMF1601D-25A under long term confidentiality. The transmitter is a Base Station where access is controlled and only available to trained personnel. Please note that the internal photos are being asked to be confidential under the FCC guidelines that this is a non-consumer device (Base Station) and is inaccessible to the general public due to the location of the device and it is only serviceable by the licensee or his designated technicians and it must be under a NDA that restricts the disclosure of the information. 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 and it must be under a NDA that restricts the disclosure of the information. Having the subject information easily available to competitors would negate the advantage we have achieved by developing this product. Sincerely,

Jongin Kim / Principal Research Engineer SAMSUNG Electronics Co.,Ltd.

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