FCC ID: 2ACCJN056 5G NR/ LTE/WCDMA/GSM Mobile Phone

Date: Dec. 7, 21 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Attn: OET Dept. Ref: FCC Class II Permissive change for FCC ID: 2ACCJN056 Original Grant Date: 11/16/2021 Applicant: TCL Communication Ltd. Dear Examiner, This is to request a Class II permissive change for FCC ID: 2ACCJN056

, originally granted on 11/16/2021 The major change filed under this application is:

SOFTWARE MODIFICATIONS:

Protocol Stack changes: NO MMS/STK/USAT/USIM changes: NO DM/SUPL/VT/FUMO/SWP/HCI: NO (indicated the changed items if yes) Other changes detailed: yes add 2CC mmW and SW version change to 3D5G Supported carrier bandwidth for 2CC: 100MHz, and Total aggregated mmWave BW: 200MHz 5G-NR Sub-Category Number DL-Combo 4G UL 5G NR UL mmW 2DL+ FR2 DC_2A-13A_n261G 2A13A n261A, n261G 1DL+ FR2 2DL+ FR2 1DL+ FR2 2DL+ FR2 1DL+ FR2 2DL+ FR2 1DL+ FR2 2DL+ FR2 2DL+ FR2 2DL+ FR2 mmWave of CC 2 2 2 2 2 2 2 2 2 2 2 DC_13A_n261G 13A n261A, n261G DC_13A-66A_n261G 13A66A n261A, n261G DC_13A_n260G 13A n260A, n260G DC_13A-66A_n260G 13A66A n260A, n260G DC_2A_n261G 2A n261A, n261G DC_2A-66A_n261G 2A66A n261A, n261G DC_2A_n260G DC_2A-2A_n260G 2A 2A n260A, n260G n260A, n260G DC_2A-5A_n260G 2A5A n260A, n260G DC_2A-13A_n260G 2A13A n260A, n260G DC_2A-66A_n260G 2A66A n260A, n260G 48A 48A 5A 66A 66A 5A 66A 66A n261A, n261G n260A, n260G n261A, n261G n261A, n261G n261A, n261G n260A, n260G n260A, n260G n260A, n260G DC_48A_n261G DC_48A_n260G DC_5A_n261G DC_66A_n261G DC_66A-66A_n261G DC_5A_n260G DC_66A_n260G DC_66A-66A_n260G DC_2A-5A_n261G 2A5A n261A, n261G DC_5A-66A_n261G 5A66A n261A, n261G DC_5A-66A_n260G 5A66A n260A, n260G 2DL+ FR2 1DL+ FR2 1DL+ FR2 1DL+ FR2 1DL+ FR2 2DL+ FR2 1DL+ FR2 1DL+ FR2 2DL+ FR2 2DL+ FR2 2DL+ FR2 2DL+ FR2 HARDWARE MODIFICATIONS:

Band changes: NO PCB Layout changes: NO Main RF components changes: NO FM changes: No No Other changes detailed:

LCD/ Speaker/ Camera/ Vibrator changes: (indicated the changed items if yes) We request permission to use all the test results from model T781S,T781SPP

(FCC ID: 2ACCJN056) in our applications for model T781S,T781SPP (FCC ID: 2ACCJN056). Because we add bands on this product only by software. In addition, we performed full test for the 2CC mmW(EMC). For details, please refer to the relevant test reports. Sincerely yours, Regards, Zhizhou GONG Product Certification Manager TCL Communication Ltd. 2 2 2 2 2 2 2 2 2 2 2 2

Date 2021-12-02 To: Federal Communications Commission, Authorization & Evaluation Division, 7345 Oakland Mills Road Columbia, MD 21046 To Whom It May Concern:

Please be notified that I, Zhizhou Gong, have designated Jinhua Yang of CTTL-Terminals Test Lab of China Academy of Telecommunication Research of MIIT. as the persons being responsible for this project and to sign the form 731 and other documentation. Any and all acts carried out in their professional capacity by Jinhua Yang of CTTL-

Terminals Test Lab of China Academy of Telecommunication Research of MIIT in connection with all processes required for FCC approval and any communication needed with the national authority, shall have the same legal authority as acts on our own behalf. We further certify that neither the applicant nor any party to this application, as defined in 47 CFR Ch. 1.2002 (b), is subject to a denial to Federal benefits, that include FCC benefits, pursuant to section 5301 of the Anti-Drug Abuse Act of 1998, 21 U.S.C. 862. This authorization is limited to the following product, and shall remain in place until completion of the certification, or until revoked, whichever is earlier:

FCC ID: 2ACCJN056 If you have any acknowledgement and response, please send it to CTTL-Terminals Test Lab of China Academy of Telecommunication Research of MIIT directly. Should you have any questions or comments regarding this matter, please dont hesitate to contact me. Sincerely yours, Regards, Zhizhou GONG Product Certification Manager TCL Communication Ltd. TCL Communication Ltd. 5/F, Building 22E, 22 Science Park East Avenue, Hong Kong Science Park, Shatin, NT, Hong Kong Tel:0086-755-36611722 Fax:0086-755-

36612000-81722 http://tclcom.tcl.com

2021-12-07 Federal Communications Commission Office of Engineering and Technology Equipment Authorization Division 7345 Oakland Mills Road Columbia, Maryland 21046 Subject: Permanent Confidentiality request for FCC ID: 2ACCJN056 To Whom It May Concern, Pursuant to sections 0.457 and 0.459 of CFR 47, the applicant requests permanent confidential treatment of the following information accompanying this application:

- Operational Description The above 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. Yours Sincerely, Zhizhou GONG Product Certification Manager TCL Communication Ltd. TCL Communication Ltd. 5/F, Building 22E, 22 Science Park East Avenue Hong Kong Science Park, Shatin, NT Hong Kong China http://tclcom.tcl.com

2021-12-07 Federal Communications Commission Office of Engineering and Technology Equipment Authorization Division 7345 Oakland Mills Road Columbia, Maryland 21046 Subject: SHORT-TERM Confidentiality request for FCC ID: 2ACCJN056 To Whom It May Concern, Pursuant to Public Notice DA 04-1705 of the Commission s policy, in order to comply with the marketing regulations in 47 CFT 2.803 and the importation rules in 47 CFR 2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices. We are requesting the commission to grant short-term confidentiality request on the following attachment(s) for 180 days after the grant as outlined in Public Notice DA 04-1705.

- Test Setup Photos It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Yours Sincerely, Zhizhou GONG Product Certification Manager TCL Communication Ltd. TCL Communication Ltd. 5/F, Building 22E, 22 Science Park East Avenue Hong Kong Science Park, Shatin NT Hong Kong China http://tclcom.tcl.com

TCL Communication Ltd. 5/F, Building 22E, 22 Science Park East Avenue, Hong Kong Science Park, Shatin, NT, Hong Kong DFS Client Declaration Letter Date: 2021/10/19 We have declared below featured for device, FCC ID: 2ACCJN056

(1) DFS Device Master Client with Radar detection capability Client without radar detection capability

(2) Active / Passive Scanning, ad hoc mode access point capability Frequency Band (MHz) Scanning Plan Ad Hoc Mode Capability Access point Capability WiFi Direct Group Owner WiFi Direct Group Client 2412 - 2462 Active 5180 5240 Active 5260 5320 Passive 5500 5720 Passive 5745 - 5825 Active Yes Yes No No Yes Yes Yes No No Yes Yes Yes No No Yes Yes Yes Yes Yes Yes

(3) Country code selection capability to end user-

If yes, please explain how it was implemented: (please also help to provide detail of options for each country selection) Yes, No

(4) Transmission in 5600 MHz to 5650 MHz is notched -

Yes, No

(5) Meet Part 15.202 requirement -

Yes, No A master device is defined as a device operating in a mode in which it has the capability to transmit without receiving an enabling signal. In this mode it is able to select a channel and initiate a network by sending enabling signals to other devices. A client device is defined as a device operating in a mode in which the transmissions of the device are under control of the master. A device in client mode is not able to initiate a network.

(6) For client devices that have software configuration control to operate in different modes (active scanning in some and passive scanning in others) in different bands (devices with multiple equipment classes or those that operate on non-DFS frequencies) or modular devices which configure the modes of operations through software, the application must provide software and operations description on how the software and / or hardware is implemented to ensure that proper operations modes cannot be modified by V1.0 end user or an installer. Apply, Not Apply, (If apply, please help to provide explanation on it was implement, and how TCL Communication Ltd. 5/F, Building 22E, 22 Science Park East Avenue, Hong Kong Science Park, Shatin, NT, Hong Kong software was controlled). Signature ____________________________ Printed Name: Gong Zhizhou Position: Product Certification Manager Company: TCL Communication Ltd. V1.0