FCC ID: A3LMT6407-77A MMU (MT6407)

Label and location Label Position 2019 SAMSUNG Electronics Co., Ltd. Label is laser printing on aluminum plate Label is attached to the side of the product by adhesive material

SAMSUNG Electronics CO., Ltd.

(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: June 07, 2023 Covered Equipment for FCC ID: A3LMT6407-77A 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

SAMSUNG Electronics CO., Ltd.

(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: A3LMT6407-77A 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 June 07, 2023 June 07, 2023

SAMSUNG Electronics CO., Ltd.

(Maetan-dong) 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, Republic of Korea Model Number : MT6407-77A 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: June 07, 2023

SAMSUNG Electronics CO., Ltd.

(Maetan-dong) 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, Republic of Korea Date: June 07, 2023 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) 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;

j) 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 June 07, 2023 Application Examiner / Reviewing Engineer Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 To Whom It May Concern, Class II permissive change We, Samsung Electronics Co., Ltd request Class II permissive change since an authorized product (FCC ID : A3LMT6407-77A) is added to operation modes by software changes below without any hardware changes.

(Original Grant date: 12/09/2020, 1st CIIPC: 12/13/2021) Adding NR Single Carrier 20/40/80 MHz Channel Bandwidth Adding NR Multi-Carrier addressed in technical documents. If you have questions or need further information, please contact the undersigned. Sincerely,

Jongin KIM / Principal Engineer SAMSUNG Electronics Co.,Ltd.

SAMSUNG Electronics CO., Ltd.

(Maetan-dong) 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, Republic of Korea Date: June 07, 2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road, Columbia, MD 21046 RE:

Request of Confidentiality for FCC ID: A3LMT6407-77A 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 CONFIDENTIAL SHORT-TERM CONFIDENTIAL Exhibit 1 2 Operational Descriptions Test Set-up Photo Description 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

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 File Name

(MT6407-77A)_Block diagram.pdf

(MT6407-77A)_Schematics.pdf

(MT6407-77A)_Partlist.pdf

(MT6407-77A)_Operation description.pdf

(MT6407-77A)_Tune-up procedure.pdf

(MT6407-77A)_User manual

(MT6407-77A)_Internal Photos.pdf Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: A3LMT6407-77A Pursuant to Sections 0.457 and 0.459 of the Commissions Rules, we hereby request confidential treatment of information accompanying this application as outlined below:

Exhibit Type Block Diagram Schematics Parts List Operational description Tune-up Procedure User Manual Internal Photos 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: November 17, 2020 SUBJECT: FCC Application for (FCC ID : A3LMT6407-77A) 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

SAMSUNG Electronics CO., Ltd.

(Maetan-dong) 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, Republic of Korea November17,2020 ApplicationExaminer/ReviewingEngineer FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 ToWhomItMayConcern, Wearerequestingspecialconsiderationforinternalphotosandusersmanualexhibitstobe made post grant LongTerm Confidential for FCC ID: A3LMT640777A. The transmitter is a BaseStationwhereaccessiscontrolledandonlyavailabletotrainedpersonnel.Pleasenote thattheinternalphotosarebeingaskedtobeconfidentialundertheFCCguidelinesthatthis isanonconsumerdevice(BaseStation)andisinaccessibletothegeneralpublicduetothe locationofthedeviceanditisonlyserviceablebythelicenseeorhisdesignatedtechnicians. The user manual is being requested to be confidential under the FCC guidelines that the manualisverytechnicalandisnotprovidedtothegeneralpublic.Theusermanualcontains proprietaryinformationrequiredfortrainedinstallerstocommissionthebasestation.The usermanualwillbeusedbythelicenseeorhisdesignatedtechniciansonly. Havingthesubjectinformationeasilyavailabletocompetitorswouldnegatetheadvantage wehaveachievedbydevelopingthisproduct. Sincerely, JonginKim/StaffEngineer SAMSUNGElectronicsCo.,Ltd.