2BHLV-PDS-BSPedisol

Pedisol Manual System configuration After the user wears the smart insole , the smart insole and smart devices (smartphone, tablet, etc.) are connected via Bluetooth to measure and analyze the user's walking data. Smart Device Smart Insole Smart Insole 1. Power Switch : A switch that turns on and off the power of the Smart Insole. The power switch is turned on when the switch is pressed. When the power is turned on, the LED will flash blue and will be in a connection standby state. 1 How to use Smart Insole App by menu HOME menu The name, date of birth, and gender of the examinee will be entered for the first time. After entering the examinee information, press ' Next ' to go to the ' Device ' menu. On the right side of the Home menu the list of registered examinee appears, and can be sorted by date or name. If you select the registered name, Examination, Balance Result, Gait Analysis window will appear in which you can navigate the menu. Device menu This menu is for searching and connecting the Smart Insole with the smart device.. When the smart insole is in the stand-by mode, pressing the insole icon button brings up the insole selection window. After selecting the insoles to connect with, press OK to proceed. When the device connection is completed, a message window is displayed as shown above. Click ' Next ' to go to the Examination menu. ※ If one of the insoles does not work properly after connection, close the Smart Insole app and reset the Smart Insole by pressing the button <R>, and then retry the app. Examination menu In the Examination menu, select either ' Balance Ability ' or ' Gait Ability ' . To examine Balance Ability, set the time to examine. Gait Ability can be examined by either measuring time or measuring distance In addition, video recording is possible with Gait Examination by using the mobile device camera. Press the 'Video Recording' button to activate the camera. After selecting the ability to measure, press the ' Start ' button to start examination. When the examination is completed, the measured data is saved automatically. Press the button ' Next ' to go to the analysis menu screen. Balance Result menu This menu is to analyze and show the measured information of ' Balance Ability ' . In the ' Data Load ' menu, you can upload the saved ' Balance Ability' data. The 'Coronal / Sagittal Plane Balance' menu is an analysis of the static balance. In the ' COP Trajectory ' menu, you can check the changes of the COP(Center of Pressure) of each of the left and right foot, and also the COP of both feet during measurement. In the ' 2D/3D Pressure Distribution ' menu, you can check the pressure distribution of the foot in 2D and 3D shapes. Press the play button to play and show the pressure data. In the ' Divisional Pressure ' menu, the foot is divided into 9 areas to show the average pressure and the maximum pressure values for each area. In the ' Sensor Pressure ' menu, you can see the average pressure and the maximum pressure value of each sensor. Gait Analysis menu This menu analyzes and shows the measured information of ' Gait Ability ' . In the ' Data Load ' menu, you can upload the saved ' Gait Ability ' data. In the ' Normal/Abnormal Ratio ' menu, you can check the normal and abnormal step ratios of the left and right foot, the number of steps, and the average walking time. In the ' Gait Cycle' menu, you can check the ratio and time of the average stance and swing phase. In the ' COP Trajectory ' menu, you can check the COP distribution of the left and right foot during examination. In the ' Pressure Distribution ' menu, you can check the pressure distribution of each foot. Press the play button to play and show the pressure data movement while walking. Press the data import button of ' Previous Data ' to upload the previous data and compare it with the current data. If you have recorded video, press the video buttonto see the video. Press the pressure distribution button to return to the pressure distribution screen. In the ' Pressure of Each Sensor ' menu, you can select up to six sensors from the left and right feet to analyze the details of selected sensor data. After selecting the sensors to check, press the button ' Analyze '. The pressure change of the selected sensors is displayed. The pressure change graph can be enlarged/reduced. If any of the selected sensors is to be removed from the graph, uncheck the applicable sensor and press the button 'Refresh'. 'Gait Analysis Graph' menu shows the scores for each measurement. 'Improvement Graph ' displays the change of accumulated measurement data to show the progress. 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. 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 …

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Spina System Co.,Ltd. 504-1, Bundang Techno Park B-dong, 723, Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, South Korea Tel: +82-70-4801-0048 Rev 1/26/2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: August 22, 2024 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID : 2BHLV-PDS-BS Spina System Co.,Ltd.(“the applicant”) certifies that the equipment for which authorization is soughtis not“covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, Contact / Sung Young Ryu Spina System Co.,Ltd. Spina System Co.,Ltd. 504-1, Bundang Techno Park B-dong, 723, Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, South Korea Tel: +82-70-4801-0048 Rev 1/26/2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: August 22, 2024 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID : 2BHLV-PDS-BS Spina System Co.,Ltd.(“the applicant”) certifies that, as of the date of the filing of the application, the applicantis notidentified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Sincerely, Contact / Sung Young Ryu Spina System Co.,Ltd.

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. 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: August 19, 2024 Signed by (Printed Name/Title): Nathan Grinager / Co-President *This letter is valid indefinitely for all applications submitted within the period of 8/19/2024 – 8/18/2029 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: Spina System Co., Ltd. Grantee FRN: 0035693787 FCC ID: 2BHLV Contact Name: Sung Young Ryu Street Address: 504-1, Bundang Techno Park B-dong, 723, Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, South Korea City/Province/Zip: Seongnam-si / Gyeonggi-do / 13511 Telephone No: +82-70-4801-0048 Email: [email protected] Applicant Signature: Date: August 19, 2024 Signed by (Printed Name/Title): Sung Young Ryu / Contact

Spina System Co.,Ltd. 504-1, Bundang Techno Park B-dong, 723, Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, South Korea Tel: +82-70-4801-0048 Date: August 22, 2024 Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID : 2BHLV-PDS-BS 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: PERMANENT Exhibit TypeFile Name Part ListPart List.pdf Schematics Diagram(s)Schematics.pdf Operation descriptionOperational 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, Contact / Sung Young Ryu Spina System Co.,Ltd.

Spina System Co.,Ltd. 504-1, Bundang Techno Park B-dong, 723, Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, South Korea Tel:+82-70-4801-0048 Date: August 22, 2024 Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 FCC ID : 2BHLV-PDS-BS 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; 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; Spina System Co.,Ltd. 504-1, Bundang Techno Park B-dong, 723, Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, South Korea Tel:+82-70-4801-0048 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, Contact / Sung Young Ryu Spina System 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 : 2BHLV-PDS-BSPage 1 of 3 External photos FCC ID : 2BHLV-PDS-BSPage 2 of 3 FCC ID : 2BHLV-PDS-BSPage 3 of 3 Blank

FCC ID : 2BHLV-PDS-BSPage 1 of 1 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. Pedisol Model : PDS-BS FCC ID : 2BHLV-PDS-BS Manufacturer : Spina System Co.,Ltd. Power : DC 3.7 V (Battery)

FCC ID : 2BHLV-PDS-BSPage 1 of 1 Internal photos PCB Antenna

FCC ID: 2BHLV-PDS-BSPage 1 of 1 RF exposure 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㎽andmmbefore calculation The result is rounded to one decimal place for comparison Results Bluetooth LE 1 Mbps Frequency (㎓) Distance (mm) MaxAverage tune-up power (㏈m) Calculation value Exclusion Threshold (㏈m)(㎽) 2.402 ~ 2.4805-11.000.0790.025≤3.0

TEST REPORT Report No. : KES-RF240459 Page1/33 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 KES-QP16-F01(00-23-01-01)KES Co., Ltd. The authenticity of this test report can be found on the verification page of our website (www.kes.co.kr). FCC TEST REPORT 1. Client ○ Name : Spina System Co.,Ltd. ○ Address : 504-1, Bundang Techno Park B-dong, 723, Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, 13511, Republic of Korea 2. Sample Description ○ Product item : Pedisol ○ Model name : PDS-BS ○ Manufacturer etc. : Spina System Co.,Ltd. 3. Date of test :2024.07.31 ~ 2024.08.05 4. Location of Test :Permanent Testing LabOn Site Testing ○ Adress : 473-21, Gayeo-ro, Yeoju-si, Gyeonggi-do, Korea 5. Test method used :Part 15 Subpart C 15.247 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. 23. KES Co., Ltd. Accredited by KOLAS, Republic of KOREA Report No. :KES-RF240459 Page2/33 KES-QP16-F01(00-23-01-01)KES Co., Ltd. The authenticity of this test report can be found on the verification page of our website (www.kes.co.kr). REPORT REVISION HISTORY DateTest Report No.Revision History 2024.08.23KES-RF240459Initial 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) Report No. :KES-RF240459 Page3/33 KES-QP16-F01(00-23-01-01)KES Co., Ltd. The authenticity of this test report can be found on the verification page of our website (www.kes.co.kr). 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.Device modifications................................................................................................................... 5 1.6.Sample calculation ..................................................................................................................... 5 1.7.Measurement Uncertainty .......................................................................................................... 5 1.8.Frequency/channel operations ................................................................................................... 6 2.Summary of tests ....................................................................................................................................... 7 3.Test results ................................................................................................................................................. 8 3.1.6㏈bandwidth .......................................................................................................................... 8 3.2.Output power ............................................................................................................................ 10 3.3.Power spectral density ............................................................................................................. 12 3.4.Radiated restricted band and emissions .................................................................................. 14 3.5.Conducted spurious emissions & band edge ........................................................................... 27 3.6.AC conducted emissions .......................................................................................................... 30 3.7.Antenna Requirement............................................................................................................... 32 Appendix A. Measurement equipment.......................................................................................................... 33 Report No. :KES-RF240459 Page4/33 KES-QP16-F01(00-23-01-01)KES Co., Ltd. The authenticity of this test report can be found on the verification page of our website (www.kes.co.kr). 1.General information Applicant:Spina System Co.,Ltd. Applicant address:504-1, Bundang Techno Park B-dong, 723, Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, 13511, Republic of Korea Test site:KES Co., Ltd. Test site address:#3002, #3503, #3701, 40, Simin-daero365beon-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 FCC rule part(s):15.247 FCC ID:2BHLV-PDS-BS Test device serial No.:ProductionPre-productionEn…

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Bluetooth Antenna For ISM 2.4 GHz Applications Part number : AHSBTF0402-L00 Specification Frequency 2400 ~ 2485 MHz VSWR 2.0 max Peak Gain 1.9 dBi min Radiation Pattern Omni-directional Input Impedance 50 ohm <Typical Test Board> •Ground size : 37 X 42 mm VSWR on Evaluation Board Gain on Evaluation Board (2D) Azimuth Plane(XY) Elevation1 Plane(YZ) Elevation2 Plane(ZX) (unit : dBi) Frequency (MHz) Azimuth Plane(XY) Elevation1 Plane(YZ) Elevation2 Plane(ZX) Peak Gain Peak Gain Peak Gain 2400 -1.0-0.7 -0.8 2450 1.4 1.3 1.0 2500 0.3 0.5 0.7 Photo / Graph 2450.000Mhz Typical Test Board Recommended Pad Layout Gain on Evaluation Board (3D) Frequency (MHz) 3D Data Peak Gain Avg. Gain 2400 -0.4 -3.3 2450 1.9 -1.0 2500 1.0 -1.8 Ant 50 ohm Feeding No ground area <Ground Plane> 42 1.2 mm gap from ground 37 Matching circuit added in the feeding line - T-type : series + shunt -π -type : shunt + series + shunt (unit : dBi) 1: Input Pad 2: Ground Pad 3: Ground Pad 4: Non-Contact (For SMT) ③ ① ④ ② 2 4 1 2 0.8 ① ② ③ ④ 0.5 0.5 0.5

FCC ID :2BHLV-PDS-BSPage 1 of 1 Test setup photos Radiated testAC Conducted test Blank