FCC ID: 2APKO-SENSOR Intelligent Environmental Sensor

) mm 0-60

>60-100 >100-150 >150-200 >200-600

>600 1.0 1.5 2.0 2.5 3 4 2.0 3 GUANGZHOU SHIYUAN ELECTRONIC CO.,LTD. V1.0 V1.1 2022-01-20 2022-02-09

CLEVERTOUCH Intelligent Environmental Sensor Model No.: Intelligent Environmental Sensor Supply source: 5V===300mA Serial No.:

Importer/Manufacturer:Sahara Presentation Systems Plc Address: Europa house,Delivery bays 28-30.Littlebrook DC1,Shield Road,Dartford,Kent DA1 5UR FCC ID: 2APKO-SENSOR ae i Manufacture date : 2020-%x FC C MADE IN CHINA

Guangzhou Shirui Electronics Co., Ltd. 192 Kezhu Road, Scientech Park, Guangzhou, Economic Technology Development District, Guangzhou, China Date: Feb. 08, 2022 To:

Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21048 Dear Sir or Madam:

We, the undersigned, hereby authorize Sahara Presentation Systems PLC, to apply for its own FCC identification number FCC ID: 2APKO-SENSOR for the product that is the subject of the Guangzhou Shirui Electronics Co., Ltd., FCC identification number: 2AFG6-WL10A. Please contact me if you have any question. Sincerely,

(Signed) Name / Title: / Sarah Sun / Regulatory Engineer Company: Guangzhou Shirui Electronics Co., Ltd. Address: 192 Kezhu Road, Scientech Park, Guangzhou, Economic Technology Development District, Guangzhou, China Phone: +86-13640798230 Fax: +86-20-82086168

<Sahara Presentation Systems PLC>

C5266091_X4_Ed.1 Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject:

Request for 2.933 Change in identification of equipment Date: 2022-02-08 Reference:

FCC ID: 2APKO-SENSOR Gentlemen, Sahara Presentation Systems PLC requests a Change in Identification for a currently approved device. This application will establish a new FCC ID for purpose of marketing. The original Grant for Guangzhou Shirui Electronics Co., Ltd., under FCC ID: 2AFG6-WL10A with a Grant Date of 01/28/2022 will remain in effect. An authorization letter from the original Grantee is attached. We attest that the equipment is electrically identical. Only the product name, model name, trade name and FCC ID are different. The original test results are applicable and continue to be representative of this device. The following files are provided as attachments:

Cover letter giving permission from original Applicant for Change in ID External photos showing no physical changes to this device New FCC identification label and its location. Thanks and Best Regards, Name / Title: Rob Xenos / Group Product Development Development Manager Company: Sahara Presentation Systems PLC Address: Europa House, Littlebrook DC1, Shield Road, Dartford, Kent DA1 5UR, United Kingdom Phone: +44 (0)20 8319 7742 Email: Rob.xenos@saharaplc.com 1/1

Sahara Presentation Systems PLC Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Subject: Request for Confidentiality FCC ID: 2APKO-SENSOR To Whom It May Concern, C5266091_X10_Ed.1 Date: 2022/02/08 Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules

(47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits ID Label/Location Attestation Statement External Photos Block Diagram Schematics Test Report Test Setup Photos Users Manual Internal Photos Parts List / Tune Up RF Exposure Info Operational Description Cover Letter(s) SDR Software / Security Info Long-Term Confidentiality No No No Short-Term Confidentiality No No No No No No No No In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of _180_ days from the date of the Grant of Equipment Authorization and prior to marketing. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. 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. Sincerely, Signature:

Name: Rob Xenos Title: Software Development Manager 1/1

C5266091_X8_Ed.1 Letter of Authorization Sahara Presentation Systems PLC Company:Sahara Presentation Systems PLC Address:Europa House, Littlebrook DC1, Shield Road, Dartford, Kent DA1 5UR, United Kingdom Product Name:Intelligent Environmental Sensor Model Number:Intelligent Environmental Sensor FCC Identifier:2APKO-SENSOR We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. is allowed to forward all Name: Robert Xenos Date: 10/2/2022 Title: Group Product Development Manager Signature of applicant:

1/1

Sahara Presentation Systems PLC Europa House, Littlebrook DC1, Shield Road, Dartford, Kent DA1 5UR, United Kingdom DATE : 2022-02-08 Sahara Presentation Systems PLC Europa House, Littlebrook DC1, Shield Road, Dartford, Kent DA1 5UR, United Kingdom Attn: Director of Certification On our behalf, I appoint below company and person:

Authority to Act as Agent Name Position Company Name Dongguan Dongdian Testing Service Co.,Ltd. Address Damon Hu Manager Tel / Fax E-Mail 17, Zongbu Road 2, Songshan Lake Sci&Tech, Industry Park, Dongguan City, Guangdong Province, China, 523808 Tel: +86-0769-38826678-850 Damon_hu@dgddt.com to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commissions regulations will have affixed to it a label identical to that submitted for approval with this application. Applicant name Address Sahara Presentation Systems PLC Europa House, Littlebrook DC1, Shield Road, Dartford, Kent DA1 5UR, United Kingdom Yours sincerely, Name Position Company Name Sahara Presentation Systems PLC Address Rob Xenos Group Product Development Manager Europa House, Littlebrook DC1, Shield Road, Dartford, Kent DA1 5UR, United Kingdom

+44 (0)20 8319 7742 / +44 (0)20 8319 7783 Tel / Fax E-Mail Rob.xenos@saharaplc.com