2BLHGNPKDT241PACER

Rev 1/26/2023 neumafit Inc. 32-1-306, 1, Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Nov. 28 2024 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2BLHGNPKDT241 neumafit Inc. (“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. neumafit Inc. (“the applicant”) certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Sincerely, neumafit Inc. Jinmo Kim (Applicant signature) Rev 1/26/2023 neumafit Inc. 32-1-306, 1, Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Nov. 28 2024 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2BLHGNPKDT241 neumafit Inc. (“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, neumafit Inc. Jinmo Kim (Applicant signature)

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. neumafit Inc. 32-1-306, 1, Gwanak-gu, Seoul, Korea 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: Da te: October 23, 2024 Signed by (Printed Name/Title): Nathan Grinager / Co-President 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: neumafit Inc. Grantee FRN: 0036061190 FCC ID: 2BLHGNPKDT241 Contact Name: Kim Jinmo Street Address: 32-1-306, 1, Gwanak-gu City/Province/Zip: Seoul, Kor ea / 08826 Telephone No: +82-10-2274-3514 Email: [email protected] Applicant Signature: Da te: Oct 23, 2024 Signed by (Printed Name/Title): Kim Jinmo /CEO

neumafit Inc. 32-1-306, 1, Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea Date: Nov. 28 2024 Timco Engineering, Inc. 13146 NW 86th Drive, Suite 400, Alachua, FL 32615 SUBJECT: Application for Certification for FCC ID: 2BLHGNPKDT241 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) Jinmo Kim / President 32-1-306, 1, Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea

neumafit Inc. 32-1-306, 1, Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2BLHGNPKDT241 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 - Tune-up procedure - 06. Block Diagram.pdf - 07. Schematics.pdf - 10. Operation Description.pdf - 12. Tune-up procedure.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 - Internal Photos - User manual - 05. Internal Photos.pdf - 08. User Manual.pdf (Signature) Jinmo Kim / President 32-1-306, 1, Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea

Page: 1 / 4 Copyright ⓒ 2024. Lab-T, Inc. External Photos Page: 2 / 4 Copyright ⓒ 2024. Lab-T, Inc. External Photos FRONT REAR Page: 3 / 4 Copyright ⓒ 2024. Lab-T, Inc. External Photos LEFT RIGHT Page: 4 / 4 Copyright ⓒ 2024. Lab-T, Inc. External Photos TOP BOTTOM

Copyright ⓒ 2024. Lab-T, Inc. Label Informaion Copyright ⓒ 2024. Lab-T, Inc. Location * Label

1. Regulation 1285800415474102 245 35007294114134158 245089128170209 298 190092138194257323 83596129172228 362 450147175208248296 ≤300 216246280319 32 Frequency (MHz) Exemption Limits 30 mm (mW) 35 mm (mW) 40 mm (mW) 45 mm (mW) > 50 mm (mW) 5800151323 56 350026152950 2450371632 72 1900610183357 83521324154 189 450327187104124 ≤300 45116139163 RF EXPOSURE FCC ID : 2BLHGNPKDT241 IC : 33139-NPKDT241 The SAR exclusion table from RSS-102 issue 6 is reproduced below: Table 11: Power limits for exemption from routine SAR evaluation based on the separation distance Frequency (MHz) Exemption Limits ≤ 5 mm (mW) 10 mm (mW) 15 mm (mW) 20 mm (mW) 25 mm (mW) Copyright ⓒ 2024. Lab-T, Inc. Page :1 / 3 RF EXPOSURE 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 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 Copyright ⓒ 2024. Lab-T, Inc. Page :2 / 3 ( P : Max tuneup Power (dBm) =-5.00dBmG : Maximum Peak Antenna Gain (dBi) =-7.50dBm+2.50 - EIRP=P + G- NOTE -7.50 dBm SAR test exclusion considerations : Bluetooth LE ] 0.056 01 Power Density at the specific separation - NOTE- S 5.00)]X R : Distance to the center of the radiation of the antenna f(GHz) : the RF channel transmit frequency in GHz 3.0< mm ) S : Maximum Estimated SAR P(mW) : Max tuneup Power (mW)= - Measured RF Maximum Output Power :-7.65 dBm 5.00 The EUT will only be used with a separation of 5 millimeters between the antenna and the body of the The MPE calculation for this exposure is shown below. (&Minimum :-9.50 dBm 0.18 ) P : Max tuneup Power (dBm) - Maximum Output Power for the Calculation : - NOTE- P - Frequency Range :2 402 MHz~2 480 MHz 0.18/ 1.00 mW √( 2.48 ) = = -7.50dBm = [(P(mW) / R)] X [√f(GHz)] =[[( =0.32mW dBi dB- Target Power & Tolerance :-8.50 dBm&± -7.50 dBm Maximum : Copyright ⓒ 2024. Lab-T, Inc. Page :3 / 3

REPORT No.:TRRFCC24-0018 Total 34 pages TRF-R-003(00) Page: 2 / 34 Copyright ⓒ 2024, 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 4. Test Report ....................................................................................................................................................... 6 4.1 Summary ........................................................................................................................................................................................... 6 4.2 Measurement Uncertainty ......................................................................................................................................................... 6 4.3 Transmitter Requirements ......................................................................................................................................................... 7 4.3.1 Antenna Requirement ......................................................................................................................................................... 7 4.3.2 Maximum Peak Output Power ........................................................................................................................................ 8 4.3.3 Peak Power Spectral Density .........................................................................................................................................10 4.3.4 6 dB Bandwidth(DTS Bandwidth).................................................................................................................................13 4.3.5 Spurious Emission, Band Edge, and Restricted bands ......................................................................................18 4.3.6 Conducted Emission ..........................................................................................................................................................31 APPENDIX I ............................................................................................................................................................ 33 REPORT No.:TRRFCC24-0018 Total 34 pages TRF-R-003(00) Page: 3 / 34 Copyright ⓒ 2024, Lab-T, Inc. 1. Revision History Test Report No. Date Description TRRFCC24-0018 2024-11-28 Initial Issue REPORT No.:TRRFCC24-0018 Total 34 pages TRF-R-003(00) Page: 4 / 34 Copyright ⓒ 2024, Lab-T, Inc. 2. Information 2.1 Applicant Information Applicant Name neumafit Inc. Address 32-1-306, 1, Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea Telephone No. +82-10-2376-8439 Person in charge Jinmo Kim / [email protected] Manufacturer neumafit Inc. Address 32-1-306, 1, Gwanak-ro, Gwanak-gu, Seoul, 08826, 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/IC Designation No. KR0159 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.:TRRFCC24-0018 Total 34 pages TRF-R-003(00) Page: 5 / 34 Copyright ⓒ 2024, Lab-T, Inc. 3. Information About Test Equipment 3.1 Equipment Information Equipment Type PACER Model Name NP-KDT241 Variant model name Note 2 - Frequency Range 2 402 MHz ~ 2 480 MHz Modulation Type (Symbol rate / Data rate) GFSK(1 Msps / 1 Mbps) Modulation Technology Bluetooth LE Power Supply DC 3.7 V H/W Version 1.0 S/W Version 1.0 Note 1: The above EUT information was declared by the manufacturer. Note 2: Only the LCD part has been removed. 3.2 Antenna Information Type Model No. Gain Note. Chip Antenna AA055U 2.5 dBi - 3.3 Test Frequency Test Mode Test Frequency (MHz) Lowest Frequency Middle Frequency Highest Frequency Bluetooth LE 2 402 2 440 2 480 3.4 Operation Conditions for the EUT Firmware State 1.0 Test Software Name(Version) Teraterm (Version 4.86) Test Power Setting 5 (-16 …

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Copyright ⓒ 2024. Lab-T, Inc. Antenna datasheet Product Specification Chip Antenna 3.2 x 1.6 x 0.5 (mm) WiFi/Bluetooth Ceramic Chip Antenna (AA055U) Engineering Specification Confidential #412, Ace high-end Tower3. 371-50 Gasan-dong, Geumcheon-gu, seoul 153-803 Korea Tel : 82-785-2777~8,2624-0887~8 Fax : 82-785-2744 개정 이력 NO 일 자 변경전 변경후 개정사유 Rev. 1 2020.06.01 Black White 디자인 변경 1.0 3.2 x 1.6 x 0.5 (mm) WiFi/Bluetooth Ceramic Chip Antenna (AA055U) Engineering Specification 2. Features *Stable and reliable in performances *Low profile, compact size *RoHS compliance *SMT processes compatible 3. Applications *ISM 2.4 GHz applications *ZigBee/BLE applications *Bluetooth earphone systems *Hand-held devices when WiFi / Bluetooth functions are needed, e.g., Smart phones *IEEE802.11 b/g/n *Wireless PCMCIA cards or USB dongles 4. Description Innolink’s AA055U ceramic chip antenna is designed for ISM 2.4GHz applications, covering frequencies 2400~2500MHz. Fabricated with proprietary design and processes, AA055U shows excellent performance and is fully compatible with SMT processes which can decrease the assembly cost and improve device’s quality and consistency. 2442 MHz / 2450MHz ( unit : dBi ) 2442MHz 2450MHz 10. Reminders for users of Innolink’s AA055U ceramic chip antennas 10-1. This chip antenna is made of ceramic materials which are relatively more rigid and brittle compared to printed circuit board materials. Bending of circuit board at the locations where chip antenna is mounted may cause the cracking of solder joints or antenna itself. 10-2. Punching/cutting of the break-off tab of PCB panel may cause severe bending of the circuit board which may result in cracking of solder joints or chip antenna itself. Therefore break-off tab shall be located away from the installation site of chip antenna. 10-3. Be cautious when ultrasonic welding process needs to be used near the locations where chip antennas are installed. Strong ultrasonic vibration may cause the cracking of chip antenna solder joints. 12. Operating & Storage Conditions 12-1. Operating (1) Maximum Input Power: 2 W (2) Operating Temperature: -40°C to 85°C 12-2. Storage (1) Storage Temperature: -5°C to 40°C (2) Relative Humidity: 20% to 70% (3) Shelf Life: 1 year 13. Notice (1) Installation Guide: Please refer to Innolink’s application note “General guidelines for the installation of Innolink’s chip antennas” for further information. (2) All specifications are subject to change without notice.

Page: 1 / 4 Copyright ⓒ 2024. Lab-T, Inc. Test Setup Photos Page: 2 / 4 Copyright ⓒ 2024. 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 ⓒ 2024. 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 ⓒ 2024. Lab-T, Inc. Test Setup Photos Conducted Emission_Front Conducted Emission_Rear