FCC ID: IHDT56AB3 Mobile Cellular Phone

Date: May 9, 2022 Federal Communications Commission Office of Engineering and Technology Laboratory Division 7435 Oakland Mills Rd. Columbia, MD 21046 SUBJECT: Class II Permissive Change for FCC ID: IHDT56AB3 Dear Examiner, This is to request a Class II Permissive Change for FCC ID: IHDT56AB3, Model:

XT2201-4 (approval date: 02/24/2022) The change filed under this application is:

Enable 5G Sub-6 FR1 n48 SA operation via software Update Antenna gain for LTE band 48 Except for the change above, no other modification is performed. All other radios remain identical as originally granted. And Hardware remains identical as originally granted. If you have any questions regarding this application, please feel free to contact me. Sincerely, Jeff Narducci Director, Global Regulatory Compliance narducci@motorola.com Motorola Mobility LLC 222 W. Merchandize Mart Plaza, Chicago Il US www.motorola.com

Federal Communications Commission Office of Engineering and Technology Laboratory Division 7435 Oakland Mills Rd Columbia MD 21046-1609 Subject: Request for Confidentiality FCC ID: IHDT56AB3 Date: May 9, 2022 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commissions rules (47 CFR 0.457, 0.459), we are requesting confidentiality for exhibits filed with the commission supporting the application of equipment authorization for those items referenced above. Motorola Mobility respectfully requests the Commission to withhold indefinitely from public disclosure the following attachments under Long-Term Confidentiality. Tune-up Procedure Operation Description The above listed documents contain detailed system and equipment descriptions that are proprietary and confidential information under Motorola trade secret protection. Public disclosure of above documents would be harmful to our company and would provide competitors an unfair advantage. This information is not made publicly available even after commercial release of the device. In additional to the above mentioned documents, pursuant to Public Notice DA 04-1705 of the Commission s policy, in order to comply with the marketing regulations in 47 CFR 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 request the commission to grant short-term confidentiality request on the following attachments 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 correspondence during certification review process cannot be granted as confidential documents and that information will be available for public review once the grant of equipment authorization is issued. Sincerely, Jeff Narducci Director, Global Regulatory Compliance narducci@motorola.com Motorola Mobility LLC 222 W. Merchandize Mart Plaza, Chicago Il US www.motorola.com

Date: May 9, 2022 To whom it may concern, Please be notified that I, Jeff Narducci, have designated Jones Tsai of Sporton International Inc. and Dai Lihua of Motorola Mobility LLC 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 Jones Tsai of Sporton International Inc. and Dai Lihua of Motorola Mobility LLC 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: IHDT56AB3 If you have any acknowledgement and response, please send it to Sporton International Inc. directly. Should you have any questions or comments regarding this matter, please dont hesitate to contact me. Sincerely yours, Jeff Narducci Director, Global Regulatory Compliance narducci@motorola.com Motorola Mobility LLC 222 W. Merchandize Mart Plaza, Chicago Il US www.motorola.com

Motorola Mobility LLC, attest that this client device, FCC ID: IHDT56AB2, FCC ID:

IHDT56AB3 complies with the following requirements of Part 15 E of the FCCs rules for the 6GHz bands:

1. The device will only associate and connect with a low-power indoor access point or subordinate device and never directly connect to other client devices. 2. This device will always initiate transmission under the control of a low power indoor AP or subordinate except for brief transmissions before joining a network. These short messages will only occur if the client has detected an indoor AP or subordinate operating on a channel. These brief messages will have a time-out mechanism such that if it does not receive a response from an AP it will not continually repeat the request 3. Transmissions will be lower or equal to the power advertised by the indoor low-power access point or subordinate and never above the maximum output power allowed by the FCC grant. 4. Prohibited for control of or communications with unmanned aircraft systems, including drones. Jeff Narducci Director, Global Regulatory Compliance narducci@motorola.com prepared by: Hong Yan email: hongyan2@motorola.com Motorola Mobility LLC 222 W. Merchandize Mart Plaza, Chicago Il US www.motorola.com