FCC ID: 2ACCJN039 5G NR/ LTE/WCDMA/GSM Mobile Phone

Date 2020-09-21 To: Federal Communications Commission, Authorization & Evaluation Division, 7345 Oakland Mills Road Columbia, MD 21046 And American Certification Body, Inc. 6731 Whittier Avenue Suite C110 McLean, VA 22101 To Whom It May Concern:

CTTL-Terminals Test Lab of China Academy of Telecommunication Research of MIIT is authorized to act on our behalf, until otherwise notified, for applications to American Certification Body, Inc. (ACB). We certify that we are not subject to denial of federal benefits, which includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, U.S.C. 862. Further, no party, as defined in 47 CFR1.2002 (b) to the application is subject to denial of federal benefits, that includes FCC benefits. Thank you. Regards, Zhizhou GONG Product Certification Manager TCL Communication Ltd. TCL Communication Ltd. 5F, C building, No. 232, Liang Jing Road, ZhangJiang High-Tech Park, Pudong Shanghai, P.R. China. 201203 Tel: +86 21 6146 0666 Fax: +86 21 6146 0602 http://tclcom.tcl.com

2020-09-21 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: 2ACCJN039 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

- Tune-Up-Procedure 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. 5F, C building, No. 232, Liang Jing Road, ZhangJiang High-Tech Park, Pudong Shanghai, P.R. China. 201203 Tel: +86 21 6146 0666 Fax: +86 21 6146 0602 http://tclcom.tcl.com

2020-09-21 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: 2ACCJN039 To Whom It May Concern, Pursuant to sections 0.457 and 0.459 of CFR 47 and to avoid premature release of sensitive information prior to marketing or release of the product to the public, the applicant requests the following documents contained in this certification application be temporarily withheld from public disclosure for an initial period of 180 days:

- Test Setup Photos The applicant also acknowledges that they will also provide appropriate notice to ACB should either of the following occur:

a) if the applicant requires additional 45 days extension periods they will notify ACB with a new request letter at least 7 days prior to the short-term confidentiality expiration date [Note: up to a maximum of 3 extensions only are allowed], or b) Immediately notify ACB in the event the information regarding the product or the product is made available to the public. ACB will then release the documents listed above for public disclosure pursuant to FCC Public Notice DA 04-1705. Yours Sincerely, Zhizhou GONG Product Certification Manager TCL Communication Ltd. TCL Communication Ltd. 5F, C building, No. 232, Liang Jing Road, ZhangJiang High-Tech Park, Pudong Shanghai, P.R. China. 201203 Tel: +86 21 6146 0666 Fax: +86 21 6146 0602 http://tclcom.tcl.com

5/F, Building 22E, 22 Science Park East Avenue, Hong Kong Science Park, Shatin, NT, Hong Kong, P.R. China TEL: 0086-755-36611722 FAX: 0086-755-36612000-81722 Fix some SW bug ;

SW baseline activate SAn2, n25, n41, n66, n71 ;

SW baseline activate DC_46C-66A_n25ADC_46A-

66A_n25ADC_46D-66A_n25A SW baseline activate DC_46D-66A_n41A(N41 BW max 60M)DC_46C-66A_n41A(N41 BW max 60M)DC_46A-

66A_n41ADC_2A-46D_n41A(N41 BW max 60M)DC_2A-

46C_n41A(N41 BW max 60M)DC_2A-46A_n41A ;

SW baseline activate DC_2A-46D_n71ADC_2A-

46C_n71ADC_2A-46A_n71ADC_46D-66A_n71A DC_46C-66A_n71ADC_46A-66A_n71A Declaration of changes For T790W,T790Z SOFTWARE MODIFICATIONS:

Protocol Stack changes: NO MMS/STK/USAT/USIM changes: No DM/SUPL/VT/FUMO/SWP/HCI: NO Other changes detailed:

Project T790W,T790Z /

Component Summary

HARDWARE MODIFICATIONS:

MECHANICAL MODIFICATIONS:

changes detailed: NO Other changes detailed: no APPROVED BY:

Project ManagerWu Song Signature:

Date: 2020/9/9

TCL Communication Ltd. 5/F, Building 22E, 22 Science Park East Avenue, Hong Kong Science Park, Shatin, NT, Hong Kong, P.R. China. TEL: 0086-755-36611722 Date: September 17th, 2020 Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 SUBJECT:

T790W,T790Z FCC ID: 2ACCJN039 Class II Permissive Change Granted on July 28th,2020 Gentlemen:

Transmitted herewith, on behalf of TCL Communication Ltd. is an application for a Class II Permissive Change Certification of the FCC ID: 2ACCJN039 The device is identical to the previously certified FCC ID: 2ACCJN039 except for the following:

1 SW baseline activate SAn2, n25, n41, n66, n71;

2 SW baseline activate DC_46C-66A_n25A; DC_46A-66A_n25A; DC_46D-

66A_n25A;

3 SW baseline activate DC_46D-66A_n41A(N41 BW max 60M); DC_46C-

66A_n41A(N41 BW max 60M); DC_46A-66A_n41A; DC_2A-46D_n41A(N41 BW max 60M); DC_2A-46C_n41A(N41 BW max 60M); DC_2A-46A_n41A;

4 SW baseline activate DC_2A-46D_n71A; DC_2A-46C_n71A; DC_2A-

46A_n71A; DC_46D-66A_n71A; DC_46C-66A_n71A; DC_46A-66A_n71A;

5 UL-MIMO is only supported for n41 SA mode;

Should you have any questions or comments concerning the above, please contact the undersigned. pcbcoverltr2_180815 Sincerely, Zhizhou GONG Product Certification Manager TCL Communication Ltd. pcbcoverltr2_180815

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 Statement We, TCL Communication Ltd., states that our device with FCC ID: 2ACCJN039 is a multi-band mobile phone which supports GSM850/900/1800/1900, CDMA BC0/1/10, WCDMA Band 1/2/4/5/8, EVDO BC 0/1/10, LTE Band B1/2/3/4/5/7/8/12/13/20/25/26/28/39/38/40/41/66/71for cellular network. For connectivity functions, it is capable of 2.4GHz WiFi 11b/11g/11n-HT20/11n-HT40, 5GHz WiFi 11a/11n-HT20/11n-HT40, 11ac-VHT20/11ac-VHT40/11ac-VHT80

(5.725 GHz 5.825 GHz frequency range disabled in EU countries area based on geo-information), and Bluetooth 5.0 LE (downward compatible and only LE 1M supported in BLE 5.0) , along with FM and NFC. However, LTE band 40 is not available in US market and Canada market, and will be disabled by software. Contact Person: Zhizhou Gong E-mail: zhizhou.gong@tcl.com