2BGKS-DD7602H15 channel Emitter

FCC Compliance Statement This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that maycause undesired operation. FCC Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to correct the interference by one of the following measures: • Reorient or relocate the receiving antenna. • Increase the separation between the equipment and receiver. • Connect the equipment into an outlet on a circuit different from which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. FCC Caution Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. FCC Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 5 mm between the radiator and your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Industry Canada Statement This device complies with RSS-247 of the Industry Canada Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Ce dispositif est conforme à la norme CNR-247 d’Industrie Canada applicable aux appareils radio exempts de licence. Son fonctionnement est sujet aux deux conditions suivantes: (1) le dispositif ne doit pas produire de brouillage préjudiciable, et (2) ce dispositif doit accepter tout brouillage reçu, y compris un brouillage susceptible de provoquer un fonctionnement indésirable. Industry Canada Radiation Exposure Statement This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 5 mm between the radiator & your body. Déclaration d’exposition aux radiations Cet équipement est conforme aux limites d’exposition aux rayonnements IC établies pour un environnement non con trôlé. Cet équipement doit être installé et utilisé avec un minimum de 5 mm de distance entre la source de rayonnement et votre corps.

Rev 1/26/2023 SONGJUNG SMART CO.,LTD 4, Cheoyongsaneop 1-gil, Onsan-eup Ulju-gun, Ulsan, Republic of Korea Tel: +82-52-988-8698 / Fax: +82-52-988-8670 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: August 13, 2024 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID : 2BGKS-DD7602H FRN 0035461235 [SONGJUNG SMART CO.,LTD] 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, BOSANG YOUN / CEO SONGJUNG SMART CO.,LTD Rev 1/26/2023 SONGJUNG SMART CO.,LTD 4, Cheoyongsaneop 1-gil, Onsan-eup Ulju-gun, Ulsan, Republic of Korea Tel: +82-52-988-8698 / Fax: +82-52-988-8670 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: August 13, 2024 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID : 2BGKS-DD7602H FRN 0035461235 [SONGJUNG SMART CO.,LTD] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List ( as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Sincerely, BOSANG YOUN / CEO SONGJUNG SMART CO.,LTD

SONGJUNG SMART CO.,LTD 4, Cheoyongsaneop 1‐gil, Onsan‐eup Ulju‐gun, Ulsan, Republic of Korea Tel: +82‐52‐988‐8698 / Fax: +82‐52‐988‐8670 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: August 13, 2024 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID : 2BGKS‐DD7602H Applicant FRN : 0035461235 SONGJUNG SMART CO.,LTD certifies that, as of the date of the filing of the application, FCC US AGENT, LLC. is our designated U.S. agent for service of process for the above referenced FCC ID. SONGJUNG SMART CO.,LTD accepts 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. FCC US AGENT, LLC. accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Company Name: FCC US Agent, LLC FRN: 0033402884 Address: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA Contact Person: Tim Payne Phone: 708-571-3148 Email: [email protected] Sincerely, SONGJUNG SMART CO.,LTD FCC US AGENT, LLC. BOSANG YOUN / CEO Tim Payne Rev 1/26/2023

SONGJUNG SMART CO.,LTD 4, Cheoyongsaneop 1-gil, Onsan-eup Ulju-gun, Ulsan, Republic of Korea Tel: +82-52-988-8698 / Fax: +82-52-988-8670 Date: August 13, 2024 Federal Communications Commission Authorization and Evaluation Division Chief, Certification and Engineering Bureau Industry Canada 1241 Clyde Avenue Ottawa, Ontario Canada K2C 1Y3 Confidentiality Request regarding application for certification of FCC ID : 2BGKS-DD7602H IC number : 32668-DD7602H Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules and IC regulation, we hereby request confidential treatment of information accompanying this application as outlined below: PERMANENT Exhibit TypeFile Name Part ListPart List.pdf Schematics Diagram(s)Schematic.pdf Operation descriptionOperation description.pdf Block diagramBlock diagram.pdf And 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, BOSANG YOUN / CEO SONGJUNG SMART CO.,LTD

SONGJUNG SMART CO.,LTD 4, Cheoyongsaneop 1-gil, Onsan-eup Ulju-gun, Ulsan, Republic of Korea Tel: +82-52-988-8698 / Fax: +82-52-988-8670 Date: August 13, 2024 Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 Innovation, Science and Economic Development Canada 3701 Carling Avenue (Building 94) P.O. Box 11490, Station H Ottawa, Ontario K2H 8S2 FCC ID : 2BGKS-DD7602H IC number : 32668-DD7602H To whom it may concern: I, the undersigned, hereby authorize Young-Jin, Lee of KES Co., Ltd. and hereafter referred to as KES Co., Ltd., to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by Young-Jin, Lee of KES Co., Ltd. on our behalf shall have the same effect as acts of our own. I, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). In authorizing KES Co., Ltd. as our agent, we still recognize that we are responsible to: a) comply with the relevant provisions of the certification program; b) make all necessary arrangements for the conduct of the evaluation, including provision for examining documentation and access to all areas, records (including internal audit reports) and personnel for the purposes of evaluation (e.g. testing, inspection, assessment, surveillance, reassessment) and resolution of complaints; c) make claims regarding certification only in respect of the scope for which certification has been granted; d) do not use our product certification in such a manner as to bring the Certification Division into disrepute and not make any statement regarding our product certification which the Certification Division may consider misleading or unauthorized; e) upon suspension or cancellation of certification, discontinue use of all advertising matter that contains any reference thereto and return any certification documents as required by the Certification Division; SONGJUNG SMART CO.,LTD 4, Cheoyongsaneop 1-gil, Onsan-eup Ulju-gun, Ulsan, Republic of Korea Tel: +82-52-988-8698 / Fax: +82-52-988-8670 f) use certification only to indicate the products are certified as being in conformity with specified standards; g) endeavor to ensure that no certificate or report nor any part thereof is used in a misleading manner; h) ensure that any reference to our product certification in communication media such as documents, brochures or advertising, complies with the requirements of the Certification Division; i) keep a record of all complaints made known to the us relating to the product’s compliance with requirements of the relevant standard and to make these records available to the Certification Division when requested; j) take appropriate action with respect to such complaints and any deficiencies found in products or services that affect compliance with the requirements for certification; k) document the actions taken. This authorization is valid until further written notice from the applicant. Sincerely Yours, BOSANG YOUN / CEO SONGJUNG SMART CO.,LTD REMARK: 1. This authorization letter will be sent along with your application when filing with the Certification Division. 2. Please follow the format and type it on company letterhead and send original to us. 3. Authorized signature must be in agreement with grantee code contact in FCC database.

FCC ID : 2BGKS-DD7602H IC number : 32668-DD7602H Page 1 of 2 External photos FCC ID : 2BGKS-DD7602H IC number : 32668-DD7602H Page 2 of 2 Blank

FCC ID : 2BGKS-DD7602H IC number : 32668-DD7602H Page 1 of 1 Label Location Label & Label Location The device is so small that it is not practicable to place the statement specified under 15.19 statement request, the information required by this paragraph shall be placed in a prominent location in the User’s Manual.

FCC ID : 2BGKS-DD7602H IC number : 32668-DD7602H Page 1 of 1 Internal photos Antenna

FCC ID : 2BGKS-DD7602H Page 1 of 1 RF exposure FCC ID : 2BGKS-DD7602H According to 447498 D01 General RF Exposure Guidance v06 The 1-g and 10-g SAR test exclusion thresholds for 100 ㎒ to 6 ㎓ at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] ·[√f(㎓)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, Where; f(㎓) is the RF channel transmit frequency in ㎓ Power and distance are rounded to the nearest ㎽ and mm before calculation The result is rounded to one decimal place for comparison Results Mode Frequency (㎓) Distance (mm) Max tune-up power (㏈m) Calculation value Exclusion Threshold (㏈m) (㎽) TX 0.433 92 5 1.0 1.26 0.166 ≤3.0

TEST REPORT Report No. : KES-RF240246-R1 Page1/26 KES Co., Ltd. #3002, #3503, #3701, 40, Simin-daero365beon-gil, Dongan-gu, Anyang-si,Gyeonggi-do, 14057, Republic ofKorea Tel : +82-31-425-6200, Fax : +82-31-341-3838 The authenticity of this test report can be found on the verification page of our website (www.kes.co.kr). KES-QP16-F01(00-23-01-01)KES Co., Ltd. FCC/IC TEST REPORT 1. Client ○ Name : SONGJUNG SMART CO.,LTD ○ Address : 4, Cheoyongsaneop 1-gil, Onsan-eup, Uljin-gun, Ulsan, Republic of Korea 2. Sample Description ○ Product item : 15 channel Emitter ○ Model name : DD7602H ○ Manufacturer etc. : Ningbo Dooya Mechanic & Electronic Technology Co., Ltd 3. Date of test :2024.04.29 ~ 2024.05.28 4. Location of Test :Permanent Testing LabOn Site Testing ○ Address : 473-21, Gayeo-ro, Yeoju-si, Gyeonggi-do, Korea 5. Test method used :Part 15.231 & RSS-210(Issue 11) 6. Test result :PASS The results shown in this test report refer only to the sample(s) tested unless otherwise stated. This laboratory is not accredited for the test results marked*. This test report is not related to KOLAS accreditation. Affirmation Tested byTechnical Manager Name : Gu-Bong, Kang(Signature) Name :Yeong-Jun Cho(Signature) 2024. 08. 16. KES Co., Ltd. Accredited by KOLAS, Republic of KOREA The authenticity of this test report can be found on the verification page of our website (www.kes.co.kr). Report No. : KES-RF240246-R1 Page2/26 KES-QP16-F01(00-23-01-01)KES Co., Ltd. REPORT REVISION HISTORY DateTest Report No.Revision History 2024.08.13KES-RF240246Initial 2024.08.16KES-RF240246-R1Retested for item : 99% Occupied bandwidth This report shall not be reproduced except in full, without the written approval of KES Co., Ltd. This document may be altered or revised by KES Co., Ltd. personnel only, and shall be noted in the revision section of the document. Any alteration of this document not carried out by KES Co., Ltd. will constitute fraud and shall nullify the document. Use of uncertainty of measurement for decisions on conformity (decision rule): No decision rule is specified by the standard, when comparing the measurement result with the applicable limit according to the specification in that standard. The decisions on conformity are made without applying the measurement uncertainty(“simple acceptance” decision rule, previously known as “accuracy method”). ☐ Other (to be specified, for example when required by the standard or client) The authenticity of this test report can be found on the verification page of our website (www.kes.co.kr). Report No. : KES-RF240246-R1 Page3/26 KES-QP16-F01(00-23-01-01)KES Co., Ltd. TABLE OF CONTENTS 1.General information ................................................................................................................................... 4 1.1.EUT description .......................................................................................................................... 4 1.2.Test configuration........................................................................................................................ 4 1.3.Information about derivative model ............................................................................................ 5 1.4.Accessory information ................................................................................................................ 5 1.5.Sample calculation ..................................................................................................................... 5 1.6.Measurement Uncertainty .......................................................................................................... 5 1.7.Frequency/channel operations ................................................................................................... 6 2.Summary of tests ....................................................................................................................................... 7 3.Test results ................................................................................................................................................. 8 3.1.99% Occupied Bandwidth .......................................................................................................... 8 3.2.Radiated emission, Spurious emission and Field Strength of Fundamental............................ 10 3.3.Bandwidth of operation frequency ............................................................................................ 22 3.4.Transmission time..................................................................................................................... 23 3.5.Duty cycle correction factor ...................................................................................................... 24 3.6.Antenna Requirement............................................................................................................... 25 Appendix A. Measurement equipment.......................................................................................................... 26 The authenticity of this test report can be found on the verification page of our website (www.kes.co.kr). Report No. : KES-RF240246-R1 Page4/26 KES-QP16-F01(00-23-01-01)KES Co., Ltd. 1.General information Applicant: SONGJUNG SMART CO.,LTD Applicant address: 4, Cheoyongsaneop 1-gil, Onsan-eup, Uljin-gun, Ulsan, Republic of Korea Test site:KES Co., Ltd. Test site address:#3002, #3503, #3701, 40, Simin-daero 365beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do,14057,Republic of Korea 473-21, Gayeo-ro, Yeoju-si, Gyeonggi-do, Korea Test FacilityFCC Accreditation Designation No.: KR0100, Registration No.: 444148 ISED Registration No.: 23298 FCC rule part(s):15.231 IC rule part(s):RSS-210 (Issue 11) FCC ID:2BGKS-DD7602H IC Number :32688-DD7602H Test device serial No.:ProductionPre-productionEngineering 1.1.EUT description Equipment under test 15 channel Emitter Frequency range433.92㎒ Model DD7602H Modulation technique FSK Number of channels433.92…

Text truncated - open the document above for the full version.

Max:36.5mm Max:7.5mm Max:26mm

FCC ID : 2BGKS-DD7602H IC number : 32668-DD7602H Page 1 of 1 Appendix B. Measurement equipment Radiated test Blank