XNK-GS15Guide System

Copyright ⓒ 2023. Lab-T, Inc. User Manual 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 may cause undesired operation. Note: 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 try to correct the interference by one or more 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 that to which the receiver is connected. —Consult the dealer or an experienced radio/TV technician for help. CAUTION: Any changes or modifications in construction of this device which are not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This equipment complies its antenna must not be co-located or operation in conjunction with any other antenna or transmitter. This equipment complies with FCC RF exposure requirements set forth in an uncontrolled environment and can be used without any restriction. Manufacturer: JUNSUNGTECH Co., Ltd. Address: 448-2, Shinwol-dong, Yangchun-gu, Seoul, Republic of Korea Tel: +82-2-2697-2094 E-Mail: [email protected]

Rev 1/26/2023 JUNSUNGTECH Co., Ltd. 448-2, Shinwol-dong, Yangchun-gu, Seoul, Republic of Korea Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: June, 22, 2023 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: XNK-GS15 JUNSUNGTECH Co., Ltd. (“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, JUNSUNGTECH Co., Ltd. Young Hoon Chung (Applicant signature) Rev 1/26/2023 JUNSUNGTECH Co., Ltd. 448-2, Shinwol-dong, Yangchun-gu, Seoul, Republic of Korea Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: June, 22, 2023 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: XNK-GS15 JUNSUNGTECH 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 an entity producing “covered” equipment. Sincerely, JUNSUNGTECH Co., Ltd. Young Hoon Chung (Applicant signature)

Rev 1/26/2023 JUNSUNGTECH Co., Ltd. 448-2, Shinwol-dong, Yangchun-gu, Seoul, Republic of Korea Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: June-23-2023 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: XNK-GS15 JUNSUNGTECH Co., Ltd. (“the applicant”) certifies that, as of the date of the filing of the application, Nam Sound is our designated U.S. agent for service of process for the above referenced FCC ID. JUNSUNGTECH 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. Nam Sound 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: Name: Nam Sound FRN: 0033923848 Address: 2285 W Broadway Apt L-215, Anaheim, CA 92804 USA Contact Person: Namku Har Tel.: +657-347-2247 Email: [email protected] Sincerely, Young Hoon Chung Namku Har Technical Director President

JUNSUNGTECH Co., Ltd. 448-2, Shinwol-dong, Yangchun-gu, Seoul, Republic of Korea Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: XNK-GS15 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 - Schematics - Operational Description - 06. Block Diagram.pdf - 07. Schematics.pdf - 10. Operation 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. Pursuant to DA04-1705 June 15, 2004 of the Commission’s public notice, we also request temporary confidential treatment of information accompanying this application as outlined below for a period of 180 days Exhibit Type File Name - RF Test Setup photos - Internal Photos - User manual - 03. Test Setup Photos.pdf - 05. Internal Photos.pdf - 08. User Manual.pdf (Signature) Young Hoon Chung / Technical Director +82-2-2697-2094 448-2, Shinwol-dong, Yangchun-gu, Seoul, Republic of Korea

JUNSUNGTECH Co., Ltd. 448-2, Shinwol-dong, Yangchun-gu, Seoul, Republic of Korea Date: June-23-2023 Timco Engineering, Inc. 849 NW State Road 45 Newberry, FL 32669 SUBJECT: Application for Certification for FCC ID: XNK-GS15 To Whom It May Concern: We, the undersigned, hereby authorize SangHoon, Yu at Lab-T, Inc. on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by SangHoon, Yu at Lab-T, Inc. 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, (Signature) Young Hoon Chung / Technical Director +82-2-2697-2094 448-2, Shinwol-dong, Yangchun-gu, Seoul, Republic of Korea

Page: 1 / 6 Copyright ⓒ 2023, Lab-T, Inc. External Photos Page: 2 / 6 Copyright ⓒ 2023, Lab-T, Inc. External Photos Front Rear Page: 3 / 6 Copyright ⓒ 2023, Lab-T, Inc. External Photos Top Bottom Page: 4 / 6 Copyright ⓒ 2023, Lab-T, Inc. External Photos Left Right Page: 5 / 6 Copyright ⓒ 2023, Lab-T, Inc. External Photos Adapter Front Adapter Rear Page: 6 / 6 Copyright ⓒ 2023, Lab-T, Inc. External Photos Adapter Label

Copyright ⓒ 2023. Lab-T, Inc. Label Information Copyright ⓒ 2023. Lab-T, Inc. 1. Location 2. Label Label

The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm, and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm according to 4.1 f) is applied to determine SAR test exclusion. The values 3.0 and 7.5 are referred to as numeric thresholds in step b) below Step.2-1 Step.2-2 {[Power allowed at numeric threshold for 50 mm in step a)] + [(test separation distance – 50 mm)· (f(MHz)/150)]} mW, for 100 MHz to 1500 MHz {[Power allowed at numeric threshold for 50 mm in step a)] + [(test separation distance – 50 mm)·10]} mW, for > 1500 MHz and ≤ 6 GHz KDB447498 was used as the guidance. SAR test exclusion considerations Step.1 For 100 MHz to 6 GHz and test separation distances ≤ 50 mm, the 1-g and 10-g SAR test exclusion threshold are determined by the following : [(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 for 1-g SAR, and ≤ 7.5 for 10-g extremity SAR where f(GHz) is the RF channel transmit frequency in GHz Power and distance are rounded to the nearest mW and mm before calculation The result is rounded to one decimal place for comparison Step.2 For 100 MHz to 6 GHz and test separation distances > 50 mm, the 1-g and 10-g SAR test exclusion thresholds are determined by the following RF EXPOSURE FCC ID :XNK-GS15 Copyright ⓒ 2023. Lab-T, Inc. Page :1 / 2 ( 4.00dBm 2.51mW P : Max tuneup Power (dBm) - NOTE- P= = = [(P(mW) / R)] X [√f(GHz)] 3< mm ) =S : Maximum Estimated SAR P(mW) : Max tuneup Power (mW)= [ 5.00 √( 2.475009 ) f(GHz) : the RF channel transmit frequency in GHz - Measured RF Maximum Output Power :3.00 dBm [(2.51/ 1.00 dB- Target Power & Tolerance :3.00 dBm&± 4.00 dBm Maximum : MHz- Frequency Range : MHz~2 405.3772 475.009 SAR test exclusion considerations 4.00 dBm Therefore, EUT is not required the SAR Evaluation. ] 0.79 Power Density at the specific separation - NOTE- S RF Exposure Compliance Issue 5.00)]X R : Distance to the center of the radiation of the antenna The EUT will only be used with a separation of 5 millimeters or lesser between the antenna and the body of the The MPE calculation for this exposure is shown below. (&Minimum :2.00 dBm) - Maximum Output Power for the Calculation : Copyright ⓒ 2023. Lab-T, Inc. Page :2 / 2

Copyright ⓒ 2023. Lab-T, Inc. Antenna datasheet 양쪽 HOOK부+0.05살붙임 09-05-0709-05-0709-05-07 경북 구미시 사곡동 657-7번지 프린스 빌딩 TEL : 054-465-9600 FAX : 054-465-6149 http://www.kwangjintel.com GS-15 JUNSUNGTECH ANTENNA Customer APPROVALSHEET Manufacturer Devicename Part number Modelname User Code Kwangjin Telecom KJI-0004 JunsungTech Kwangjin Telecom ApprovalReview Review UndertakeReview Approval Researchteam Qualityteam Qualityteam Y.H KimS.H BeakY.K Heo CODEKJI - 0004 MODEL ANTENNATYPEFOLDED MONOPOLE TYPE APPLICATIONSANTENNA 1.2 Test Fixture FrequencyRange [Mhz]2400 ~ 2500MHz Lower FREQUENCY(2400Mhz)SWR [MAX]3.0 Upper FREQUENCY(2500Mhz)SWR [MAX]2.0 ITEMSPEC FrequencyRange [Mhz]2400 ~ 2500 SWR [Max]- Input Impedance[Ω]50Ω Polarization- LENGTH26.7mm × 8.4mm TEMPERATURE-40°C ~ +80°C CONNECTORTYPESOLDERCONTACT TYPE 4. ElectricalCharacteristics ElectricalCharacteristics 1.1 GeneralSpecifications 1.3 Set mountingmeasurement 1.4 MechanicalSpecification GS-15 CODEKJI - 0004 1.5 Set mountingmeasurementdata [NetworkData] ElectricalCharacteristic -Hplan:XY -E1plan:XZ -E2plan:ZY -Hplan 2400Mhz 2445Mhz 2447Mhz 2475Mhz 2484Mhz 2500Mhz 0` 45`315` 135` 90` 225` 270` 180` -E1plan -E2plan 2400Mhz 2445Mhz 2447Mhz 2475Mhz 2484Mhz 2500Mhz 0` 45`315` 135` 90` 225` 270` 180` FrequencyMax (dBi) Avg (dBi) BeamPeak 2400Mhz -3.40-7.1484` 2445Mhz -2.87-6.7784` 2447Mhz -2.86-6.7884` 2475Mhz -2.56-6.5086` 2484Mhz -2.65-6.6386` 2500Mhz -2.00-6.1986` FrequencyMax (dBi) Avg (dBi) BeamPeak 2400Mhz -0.91-4.51116` 2445Mhz -0.63-5.13112` 2447Mhz -0.66-5.17110` 2475Mhz -0.25-5.19112` 2484Mhz -0.31-5.31112` 2500Mhz 0.36-4.72110` FrequencyMax (dBi) Avg (dBi) BeamPeak 2400Mhz -5.40-9.3178` 2445Mhz -4.12-8.30304` 2447Mhz -4.08-8.27304` 2475Mhz -3.57-7.57304` 2484Mhz -3.75-7.64304` 2500Mhz -3.48-7.09302` 2400Mhz 2445Mhz 2447Mhz 2475Mhz 2484Mhz 2500Mhz 0` 45`315` 135` 90` 225` 270` 180` CODEKJI - 0004 ElectricalCharacteristics 1.6 Set mountingmeasurement[2D Passive chamberdata]

REPORT No.:TRRFCC23-0006 Total 35 pages TRF-R-003(00) Page: 2 / 35 Copyright ⓒ 2023, Lab-T, Inc. CONTENTS 1. Revision History .............................................................................................................................................. 3 2. Information ...................................................................................................................................................... 4 2.1 Applicant Information ................................................................................................................................................................. 4 2.2 Test Laboratory Information..................................................................................................................................................... 4 2.3 Test Site .............................................................................................................................................................................................. 4 3. Information about Test Equipment ............................................................................................................. 5 3.1 Equipment Information .............................................................................................................................................................. 5 3.2 Antenna Information ................................................................................................................................................................... 5 3.3 Test Frequency ................................................................................................................................................................................ 5 3.4 Operation Conditions for the EUT ........................................................................................................................................ 5 3.5 Tested Companion Device Information .............................................................................................................................. 5 3.6 Equipment Channel List ............................................................................................................................................................. 6 4. Test Report ....................................................................................................................................................... 7 4.1 Summary ........................................................................................................................................................................................... 7 4.2 Measurement Uncertainty ......................................................................................................................................................... 7 4.3 Transmitter Requirements ......................................................................................................................................................... 8 4.3.1 Antenna Requirement ......................................................................................................................................................... 8 4.3.2 Maximum Peak Output Power ........................................................................................................................................ 9 4.3.3 Peak Power Spectral Density .........................................................................................................................................11 4.3.4 6 dB Bandwidth(DTS Bandwidth).................................................................................................................................14 4.3.5 Spurious Emission, Band Edge, and Restricted Bands.......................................................................................19 4.3.6 Conducted Emission ..........................................................................................................................................................32 APPENDIX I ............................................................................................................................................................ 34 REPORT No.:TRRFCC23-0006 Total 35 pages TRF-R-003(00) Page: 3 / 35 Copyright ⓒ 2023, Lab-T, Inc. 1. Revision History Test Report No. Date Description TRRFCC23-0006 2023-06-22 Initial Issue REPORT No.:TRRFCC23-0006 Total 35 pages TRF-R-003(00) Page: 4 / 35 Copyright ⓒ 2023, Lab-T, Inc. 2. Information 2.1 Applicant Information Applicant Name JUNSUNGTECH Co., Ltd. Address 448-2, Shinwol-dong, Yangchun-gu, Seoul, Republic of Korea Telephone No. +82-2-2697-2094 Person in charge Young Hoon Chung / [email protected] Manufacturer JUNSUNGTECH Co., Ltd. Address 448-2, Shinwol-dong, Yangchun-gu, Seoul, Republic of Korea 2.2 Test Laboratory Information Corporate Name Lab-T, Inc. Representative Duke (Jongyoung) Kim Address 2182-42 Baegok-daero, Mohyeon-eup, Cheoin-gu, Yongin-si, Gyeonggi-do 17036, Korea (Republic of) Telephone +82-31-322-6767 Fax +82-31-322-6768 E-mail [email protected] FCC Designation No. KR0159 FCC Registration No. 133186 IC Site Registration No. 22000 2.3 Test Site Test Site Used Address Building L 2182-40 Baegok-daero, Mohyeon-eup, Cheoin-gu, Yongin-si, Gyeonggi-do 17036, Korea(Republic of) Building T 2182-42 Baegok-daero, Mohyeon-eup, Cheoin-gu, Yongin-si, Gyeonggi-do 17036, Korea(Republic of) Building A 2182-44 Baegok-daero, Mohyeon-eup, Cheoin-gu, Yongin-si, Gyeonggi-do 17036, Korea(Republic of) REPORT No.:TRRFCC23-0006 Total 35 pages TRF-R-003(00) Page: 5 / 35 Copyright ⓒ 2023, Lab-T, Inc. 3. Information about Test Equipment 3.1 Equipment Information Equipment Type Guide System Model Name GS-15 Frequency Range 2 405.377 MHz ~ 2 475.009 MHz Modulation Type FSK Power Supply DC 3.7 V H/W Version 002 S/W Version 001 Note 1 : The above EUT information was declared by the manufacturer. 3.2 Antenna Information Type Model No. Gain Note. Monopole Antenna KJI-0…

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Page: 1 / 4 Copyright ⓒ 2023. Lab-T, Inc. Test Setup Photos Page: 2 / 4 Copyright ⓒ 2023. Lab-T, Inc. Test Setup Photos Radiated Emission_9 kHz ~ 30 MHz Test distance : 3 m, Height of table : 0.8 m Radiated Emission_30 MHz ~ 1 GHz Test distance : 3 m, Height of table : 0.8 m Page: 3 / 4 Copyright ⓒ 2023. Lab-T, Inc. Test Setup Photos Radiated Emission_1 GHz ~ 18 GHz Test distance : 1 m, Height of table : 1.5 m Radiated Emission_18 GHz ~ 26.5 GHz Test distance : 1 m, Height of table : 1.5 m Page: 4 / 4 Copyright ⓒ 2023. Lab-T, Inc. Test Setup Photos Conducted Emission_Front Conducted Emission_Rear