2BA28TT-1000the table(Automatic pet Feeder)

Certification designating a U.S. Agent for service of process: As required by section 2.911(d)(7), the applicant must designate a contact located in the United States for purposes of acting as the applicant’s agent for service of process, regardless of whether the applicant is a domestic or foreign entity. An applicant located in the United States may designate itself as the agent for service of process. In either scenario, the designation of the U.S. agent for service of process should be provided as an attachment to the equipment authorization application. The applicant must provide a written certification, which must: i. Be signed by both the applicant and designated agent for service of process, if the agent is different from the applicant. ii. Acknowledge the applicant’s consent and the designated agent’s obligation to accept service of process. iii. Provide a physical U.S. address and email for the designated agent. iv. Acknowledge the applicant’s acceptance to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Unofficial information provided by FCC personnel on February 14, 2023, via the monthly call with the TCB Council: The Agent for Process of Service: • cannot be a TCB or affiliated with a TCB (e.g. could not be a person who works for a TCB or a company that owns or is owned by the TCB) • cannot be a [FCC recognised] Lab or affiliated with a test lab (e.g. could not be a person who works for a Lab or a company that owns or is owned by the Lab) • Agent can be Individual Entity or a Company Entity • Agent Entity must be located in US, US address/phone • Entity acting as Agent must have FRN (best practice, put FRN on Agent Letter) • Agent letter does not have to be FCC ID specific, can be general Agent for Grantee For devices being marketed or for which marketing has ceased for less than 1 year, if the Agent for Process of Service changes, then for every TC Number the TCB must request the FCC to put application into Audit Mode and Agent Letter needs to be updated (superseded). NOTE: The U.S. Agent for Service of Process should not be confused with the authorized agent used for signing the 731 form, other cover letters within the application, and/or the agent who may interface with the TCB. Duit design lab. b-410ho, tera tower1, 167, Songpa-daero, Songpa-gu, Seoul, Republic of Korea Tel : +82-70-4323-6596 U.S. Agent Designation for Service of Process ATTENTION: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA REGARDING: FCC Certification – Section 2.911(d)(7) Information Designated U.S. Agent Company Name: Approve-IT, Inc. Contact Name: Nathan Grinager Street Address: 8011 34 th Ave South, Suite 342 City/Province/Zip: Bloomington, MN 55425 Telephone No: 651-247-1678 Email: [email protected] FRN #: 0027533835 This letter is to confirm that we (“the Designated U.S. Agent) have accepted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d)(7) on behalf of the Applicant noted below. U.S. Agent Signature: Date: July 5, 2023 Signed by (Printed Name/Title): Nathan Grinager / Co-President *This letter is valid indefinitely for all applications submitted within the period of 07/03/2023 – 07/03/2024. The Applicant confirms its explicit consent and acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Applicant Company name: Duit design lab. FCC ID: 2BA28TT-1000 Contact Name: Jeongmin Seo Street Address: b-410ho, tera tower1, 167, Songpa-daero, Songpa-gu, Seoul, Republic of Korea City/Province/Zip: Seoul/-/05855 Telephone No: +82-70-4323-6596 Email: [email protected] Applicant Signature: Date: July 3, 2023 Signed by (Printed Name/Title): Jeongmin Seo / Manager

Duit design lab. b-410ho, tera tower1, 167, Songpa-daero, Songpa-gu, Seoul, Republic of Korea Tel : +82-70-4323-6596 Rev 1/26/2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: July 3, 2023 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2BA28TT-1000 Duit design lab. (“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. Sincerely, NAME: Jeongmin Seo Applicant: Duit design lab. Duit design lab. b-410ho, tera tower1, 167, Songpa-daero, Songpa-gu, Seoul, Republic of Korea Tel : +82-70-4323-6596 Rev 1/26/2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: July 3, 2023 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2BA28TT-1000 Duit design lab. (“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. Sincerely, NAME: Jeongmin Seo Applicant: Duit design lab.

Duit design lab. b-410ho, tera tower1, 167, Songpa-daero, Songpa-gu, Seoul, Republic of Korea Tel : +82-70-4323-6596 Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID : 2BA28TT-1000 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name Block diagram (2BA28TT-1000)_Block Diagram.pdf Parts List (2BA28TT-1000)_Part List.pdf Schematics (2BA28TT-1000)_Schematics.pdf (2BA28TT-1000)_Schematics_PCB Layout.pdf Operational description (2BA28TT-1000)_Operational Description.pdf 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. Sincerely, NAME: Jeongmin Seo Applicant: Duit design lab.

Duit design lab. b-410ho, tera tower1, 167, Songpa-daero, Songpa-gu, Seoul, Republic of Korea Tel : +82-70-4323-6596 Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date : July 3, 2023 SUBJECT: FCC Application for (FCC ID : 2BA28TT-1000) To Whom It May Concern: We, the undersigned, hereby authorize Young-taek Lee 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, NAME: Jeongmin Seo Applicant: Duit design lab.

CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 www.e-ctk.com Model :TT-1000 EUT External Photographs CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 www.e-ctk.com Model :TT-1000 CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 www.e-ctk.com Model :TT-1000 CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 www.e-ctk.com Model :TT-1000 Adapter

CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 www.e-ctk.com Model :TT-1000 Label and Location

CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 www.e-ctk.com Model :TT-1000 EUT Internal Photographs CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 www.e-ctk.com Model :TT-1000

Model : TT-1000 Test Setup Photographs and Configuration AC power line conducted measurement Model : TT-1000 Radiated measurement