2BANDCHASY0215Wearable Hydration Sensor

Go to epicore.ch to review instructional training videos. Install Epicore CH from the App Store. Reference video for help. Follow instructions in the app to complete setup. Reference video for help. See your local health & safety representative for the Enterprise ID. ONBOARDING INSTRUCTIONS 1 2 3 4 WARNING DO NOT INCINERATE or subject battery cells to temperatures in excess of 212°F. Such treatment can cause cell rupture. WARNING EXPLOSION HAZARD - BATTERIES MUST ONLY BE CHANGED IN AN AREA KNOWN TO BE NON-HAZARDOUS. Rev 00 United States FCCID:2BANDCHASY0215 Epicore Biosystems, Inc. 810 Memorial Drive Suite 100, Cambridge MA 02139, USA REGULATORY INFORMATION ModelASY-0215 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 form that to which the receiver is connected • Consult the dealer or an experienced radio/TV technician for help RADIATION HAZARD The maximum output power, antenna gain and minimum separation distance of this product was determined to be below the threshold and is exempt from SAR requirements according to the FCC SAR Exemption Criteria (FCC Title 47 CFR Part 1.1307, 2.1093) and the ISED SAR Exemption Criteria (RSS-102 Issue 5). WARNING There is danger of explosion if batteries are mishandled or incorrectly replaced. On systems with replaceable batteries, replace only with the same manufacturer and type or equivalent type recommended per the instructions provided in the product service manual. Do not disassemble batteries or attempt to recharge them outside the system. Do not dispose of batteries in fire. Dispose of batteries properly in accordance with the manufacturer’s instructions and local regulations. FCC COMPLIANCE Compliance Statements ATTENTION Any modifications made to this device that are not approved by Epicore Biosystems, Inc. may void the authority granted to the user by the FCC to operate equipment. ATTENTION For Class B - Unintentional Radiators: 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. ATTENTION 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

Go to epicore.ch to review instructional training videos. Install Epicore CH from the App Store. Reference video for help. Follow instructions in the app to complete setup. Reference video for help. See your local health & safety representative for the Enterprise ID. ONBOARDING INSTRUCTIONS 1 2 3 4 WARNING DO NOT INCINERATE or subject battery cells to temperatures in excess of 212°F. Such treatment can cause cell rupture. WARNING EXPLOSION HAZARD - BATTERIES MUST ONLY BE CHANGED IN AN AREA KNOWN TO BE NON-HAZARDOUS. Rev 01 United States FCCID:2BANDCHASY0215 Epicore Biosystems, Inc. 810 Memorial Drive Suite 100, Cambridge MA 02139, USA REGULATORY INFORMATION ModelASY-0215 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 form that to which the receiver is connected • Consult the dealer or an experienced radio/TV technician for help RADIATION HAZARD The maximum output power, antenna gain and minimum separation distance of this product was determined to be below the threshold and is exempt from SAR requirements according to the FCC SAR Exemption Criteria (FCC Title 47 CFR Part 1.1307, 2.1093) and the ISED SAR Exemption Criteria (RSS-102 Issue 5). WARNING There is danger of explosion if batteries are mishandled or incorrectly replaced. On systems with replaceable batteries, replace only with the same manufacturer and type or equivalent type recommended per the instructions provided in the product service manual. Do not disassemble batteries or attempt to recharge them outside the system. Do not dispose of batteries in fire. Dispose of batteries properly in accordance with the manufacturer’s instructions and local regulations. E-LABEL INFORMATION Launch Connected Hydration Mobile App Go to Settings → Legal & Regulatory FCC COMPLIANCE Compliance Statements ATTENTION Any modifications made to this device that are not approved by Epicore Biosystems, Inc. may void the authority granted to the user by the FCC to operate equipment. ATTENTION For Class B - Unintentional Radiators: 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. ATTENTION 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

Form: RFT-AMER-TCB-OP-19o Revision: 1 Page 1 of 1 Date: 1/25/2023 Attention: Application Examiner Re: Certification designating a U.S. agent for service of process pursuant to 47 CFR part §2.911(d)(7) of the FCC rules To whom it may concern, This letter is to certify that Epicore Biosystems, Inc (“Applicant”) accepts responsibilities to act as its own agent pursuant to 47 CFR part §2.911(d)(7) of the FCC rules for service of process. I consent to the obligation to accept service of process on behalf of the applicant in regard to the FCC ID designated below. I HEREBY CERTIFY THAT I am authorized to make the representations above on behalf of the Applicant. I further acknowledge the requirement to maintain an agent extends for no less than one year after the termination of all marketing and importation or the conclusion of and commission-related proceeding involving the equipment and agree to immediately notify the FCC and Intertek if there is any change in the status identified above. Applicant Company Name : Epicore Biosystems, Inc. Contact Name : Stephen Lee Address : 810 Memorial Drive, Suite 100. Cambridge, MA 02139 Telephone No : (857) 523-0395 Email : [email protected] FCC ID : 2BANDCHASY0215 Applicant FRN : 0033569039 Signature: ____________________________________ Date: ____________________________________

Form: RFT-AMER-TCB-OP-19n Revision: 1 Page 1 of 1 Date: 1/25/2023 Attention: Application Examiner Re: Covered List, located at https://www.fcc.gov/supplychain/coveredlist and 47 CFR parts §2.903 and §2.911(d)(5)(ii) of the FCC rules Applicant: Epicore Biosystems, Inc. FCC ID: 2BANDCHASY0215 To whom it may concern, Epicore Biosystems, Inc. (“Applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to 47 CFR part §2.903 of the FCC rules and does not originate directly or indirectly from any company named on the covered list located in the link above or any subsidiary or affiliate thereof. Applicant further 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 and is not a subsidiary or affiliate of any such entity pursuant to 47 CFR part §1.50002 and required by 47 CFR part §2.911(d)(5)(ii) of the FCC rules. I HEREBY CERTIFY THAT I am authorized to make the representations above on behalf of the Applicant and agree to immediately notify Intertek if there is any change in the status identified above. Stephen Lee Chief Technical Officer Epicore Biosystems, Inc. March 24, 2023

Attention: Application Examiner Re: Request for confidentiality Applicant: Epicore Biosystems, Inc. FCC ID: 2BANDCHASY0215 To whom it may concern, Permanent Confidentiality Request is hereby submitted by Epicore Biosystems, Inc. to withhold permanently from public review certain portions of the application for equipment certification for the referenced FCC identifiers. This request for confidentiality is made pursuant to 47 CFR 0.457(d) and 0.459 of the FCC Rules. In particular, the following sections of the application are to be kept permanently confidential: • Schematics • Detailed Block diagrams • Detailed Operational/Functional Description Rationale for request for confidentiality: Epicore Biosystems, Inc. has invested considerable time and materials in research and development to produce the referenced product. Disclosure of the permanently confidential portions of this application to competitors would not only give them significant competitive advantages in developing similar products, but would also disclose successful implementation of unpublished, leading edge technology developed by us. Sincerely, Stephen Lee Chief Technical Officer Epicore Biosystems, Inc.

External Photos

2 9:41 SETTINGS PRIVACY 2 9:41 SUGGESTED INTAKE 34 OUNCES 216 MILLIGRAMS WATERSODIUM WORK DAY SUMMARY TOTALS SODIUM (MG) SHIFT DURATION (HR:MIN) 10:32 AVG. SKIN TEMPERATURE ( ̊F) LOSS INTAKE 95.0 2232,432 1892,116 WATER (OZ) Food intake and elimination impact your requirements. STATUS: OK SWEAT / INTAKE WATER SODIUM PHYSIOLOGY SKIN TEMPERATURE EXERTION LEVEL Privacy Policy of Epicore Biosystems Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Eu facilisis sed odio morbi quis commodo. Nulla facilisi morbi tempus iaculis. Risus commodo viverra maecenas accumsan lacus. Adipiscing at in tellus integer feugiat scelerisque varius. Dolor sit amet consectetur adipiscing elit ut aliquam. Nunc sed augue lacus viverra vitae. Scelerisque eleifend donec pretium vulputate sapien. Eu consequat ac felis donec et. Using Epicore Biosystems Services in Short Eu mi bibendum neque egestas congue. Maecenas ultricies mi eget mauris pharetra et ultrices neque. Mauris pharetra et ultrices neque ornare aenean. Nunc sed velit dignissim sodales. Diam ut venenatis tellus in metus vulputate eu scelerisque. Lorem sed risus ultricies tristique nulla aliquet enim. Faucibus et molestie ac feugiat sed lectus vestibulum mattis. Imperdiet proin fermentum leo vel. Sollicitudin ac orci phasellus egestas tellus rutrum tellus pellentesque. Faucibus vitae aliquet nec ullamcorper sit. Sem et tortor consequat id. In nibh mauris cursus mattis molestie. Est velit egestas dui id. Semper quis lectus nulla at volutpat diam. Praesent tristique magna sit amet purus. Adipiscing elit pellentesque habitant morbi tristique senectus et netus. Id nibh tortor id aliquet. Dictum at tempor commodo ullamcorper a lacus vestibulum. Neque egestas congue quisque egestas diam in. STATUS: OK 2 9:41 SETTINGS TERMS & CONDITIONS Terms of Use Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Eu facilisis sed odio morbi quis commodo. Nulla facilisi morbi tempus iaculis. Risus commodo viverra maecenas accumsan lacus. Adipiscing at in tellus integer feugiat scelerisque varius. Dolor sit amet consectetur adipiscing elit ut aliquam. Nunc sed augue lacus viverra vitae. Scelerisque eleifend donec pretium vulputate sapien. Eu consequat ac felis donec et. Eu mi bibendum neque egestas congue. Maecenas ultricies mi eget mauris pharetra et ultrices neque. Mauris pharetra et ultrices neque ornare aenean. Nunc sed velit dignissim sodales. Diam ut venenatis tellus in metus vulputate eu scelerisque. Lorem sed risus ultricies tristique nulla aliquet enim. Faucibus et molestie ac feugiat sed lectus vestibulum mattis. Imperdiet proin fermentum leo vel. Sollicitudin ac orci phasellus egestas tellus rutrum tellus pellentesque. Faucibus vitae aliquet nec ullamcorper sit. Sem et tortor consequat id. In nibh mauris cursus mattis molestie. Est velit egestas dui id. Semper quis lectus nulla at volutpat diam. Praesent tristique magna sit amet purus. Adipiscing elit pellentesque habitant morbi tristique senectus et netus. Id nibh tortor id aliquet. Dictum at tempor commodo ullamcorper a lacus vestibulum. Neque egestas congue quisque egestas diam in. STATUS: OKSTATUS: OK 2 9:41 TODAY METRIC IMPERIAL ACCOUNT & SETTINGS Unit Height: | ft. | in. Weight: | Male lb. Sex: MEASUREMENT UNIT [email protected] EnterpriseACM SiteMKBY ACCOUNT DATA SHARING Alert me for every 500 ml of sweat loss. (Recommended) MODULE OTHER INFORMATION PHYSIOLOGY INFORMATIONEDIT EDIT Sensor Information Assigned at birth. Share annymous data with Acme Sweat occupational hygienists / medical staff (for safety) Share annoymous data with Epicore Biosytems Unchecking this will disable historical views, insights, and preparation & recovery options. For dehydration, alert me again if no replenishment STATUS: OK 2 9:41 SETTINGS LEGAL & REGULATORY CONNECTED HYDRATION REGULATORY CERTIFICATION ModelASY-0215 United States FCC ID: 28ANDCHASY0215 CanadaIC: XXXXXXXXXXX CAN: XXXXXXXXXXX 810 Memorial Drive Suite 100, Cambridge MA 02139, USA Compliance License STATUS: OK 2 9:41 SETTINGS LEGAL & REGULATORY CONNECTED HYDRATION REGULATORY CERTIFICATION ModelASY-0215 United States FCC ID: 2BANDCHASY0215 CanadaIC: 791941958-CHASY0215 810 Memorial Drive Suite 100, Cambridge MA 02139, USA Compliance License REGULATORY CERTIFICATION Legal & Regulatory Privacy Policy Terms & Conditions #1 #2

Epicore Biosystems FCCID:2BANDCHASY0215 Internal Photos Per Section 2.1033 of Title 47. These are the internal photographs of the Connected Hydration. Top Internal Photo Antenna Epicore Biosystems FCCID:2BANDCHASY0215 Connected Hydration Assembly Component Side View Epicore Biosystems FCCID:2BANDCHASY0215 Component View with Switch Cover in Place

Intertek 731 Enterprise Drive Lexington, KY 40510 Tel 859 226 1000 Fax 859 226 1040 www.intertek.com Epicore Biosystems Inc. SAR EXEMPTION REPORT SCOPE OF WORK SAR EXEMPTION CALCULATION ON THE CONNECTED HYDRATION REPORT NUMBER 105353929LEX-001 ISSUE DATE 9/14/2023 PAGES 10 DOCUMENT CONTROL NUMBER Non-Specific EMC Report Shell Rev. December 2017 © 2017 INTERTEK This report is for the exclusive use of Intertek's Client and is provided pursuant to the agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to copy or distribute this report and then only in its entirety. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results in this report are relevant only to the sample tested. This report by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program. Intertek Testing Services NA, Inc. SAR EXEMPTION TEST REPORT Report Number: 105353929LEX-001 Project Number: G105353929 Report Issue Date: 9/14/2023 Product Name: Connected Hydration Model ASY-0215 Standards: FCC Part 2.1093 Tested by: Client: Intertek Testing Services NA, Inc. 731 Enterprise Drive Lexington, KY 40510 USA Epicore Biosystems Inc. 810 Memorial Drive Suite 100 Cambridge, MA 02139 USA Report prepared by Report reviewed by Brian Lackey, Team Leader Michael Carlson, EMC Engineer Evaluation For: Epicore Biosystems Inc. Product: Connected Hydration, Model ASY-0215 SAR Exemption Report Date: 9/14/2023 Non-Specific EMC Report Shell Rev. December 2017 Page 3 of 10 Report Number: 105353929LEX-001 Table of Contents 1 Introduction and Conclusion ........................................................................................................................... 4 2 Test Summary ................................................................................................................................................ 4 3 Client Information .......................................................................................................................................... 5 4 Description of Equipment under Test and Variant Models .............................................................................. 6 4.1 Variant Models: ...................................................................................................................................... 6 4.2 Antenna Gain ......................................................................................................................................... 7 4.3 Maximum Output Power ........................................................................................................................ 8 5 FCC SAR Exemption Criteria ............................................................................................................................ 9 6 Revision History ........................................................................................................................................... 10 Evaluation For: Epicore Biosystems Inc. Product: Connected Hydration, Model ASY-0215 SAR Exemption Report Date: 9/14/2023 Non-Specific EMC Report Shell Rev. December 2017 Page 4 of 10 Report Number: 105353929LEX-001 1 Introduction and Conclusion SAR exemption calculations were performed on the product constructed as described in section 4. Information provided by the client including maximum output power, antenna gain(s), and minimum separation distance(s) was used to determine if the product under evaluation was exempt from SAR. Any change in these stated values may invalidate these results. No additions, deviations, or exclusions have been made from the standard(s) unless specifically noted. Based on the results of our investigation, we have concluded the product under evaluation is exempt from SAR requirements for each of the standard(s) indicated. The results obtained in this test report pertain only to the item(s) evaluated. Intertek does not make any claims of compliance for samples or variants which were not evaluated. 2 Test Summary Section Requirement Result 5 FCC SAR Exemption Criteria (FCC Title 47 CFR Part 1.1307, 2.1093) Exempt from SAR Evaluation For: Epicore Biosystems Inc. Product: Connected Hydration, Model ASY-0215 SAR Exemption Report Date: 9/14/2023 Non-Specific EMC Report Shell Rev. December 2017 Page 5 of 10 Report Number: 105353929LEX-001 3 Client Information This product was tested at the request of the following: Client Information Client Name: Epicore Biosystems Inc. Address: 810 Memorial Drive Suite 100 Cambridge, MA 02139 USA Contact: Stephen Lee Email: [email protected] Manufacturer Information Manufacturer Name: Epicore Biosystems Inc. Manufacturer Address: 810 Memorial Drive Suite 100 Cambridge, MA 02139 USA Evaluation For: Epicore Biosystems Inc. Product: Connected Hydration, Model ASY-0215 SAR Exemption Report Date: 9/14/2023 Non-Specific EMC Report Shell Rev. December 2017 Page 6 of 10 Report Number: 105353929LEX-001 4 Description of Equipment under Test and Variant Models Equipment Under Test Product Name Connected Hydration Model Number ASY-0215 FCC Identifier 2BANDCHASY0215 Type of Transmission Bluetooth Low Energy (BLE) Frequency Range 2402 MHz – 2480 MHz Type of Modulation / Data Rate GFSK Number of Channel(s) 40 Description of Equipment Under Test (provided by client) Wearable sweat sensor. 4.1 Variant Models: There were no variant models covered by this evaluation. Evaluation For: Epicore Biosystems Inc. Product: Connected Hydration, Model ASY-0215 SAR Exemption Report Date: 9/14/2023 Non-Specific EMC Report Shell Rev.…

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2.4 GHz SMD, Above Metal, Low Profile Mini Chip Antenna P/N 2450AT42E010B This antenna will generally have a metal layer directly underneath for proper operation, exceptions may apply. Detail Specification: Page 1 of 9 1 L ±± 2 W ±± 3 T ±± 4 a ±± b ±± C https://www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2021 Johanson Technology, Inc. All Rights Reserved GND All sales are subject to Johanson Technology, Inc. terms and conditions. 1 Make sure to have Pin 2 soldered to its PCB land pad but not connected to GND or input, it must be NC (or floating). 0.0200.0080.500.20 0.1970.0085.000.20 0.0590.0081.500.20 NC 1 0.0790.0082.000.20 GND Ver. 5.1 Johanson Technology, Inc. reserves the right to make design changes without notice. 0.0590.0081.500.20 0.012 max0.30 max High Frequency Ceramic Solutions 10/28/2021 *Evaluation boards 1 and 2 are meant to demonstrate the difference in performance achievable with different substrate thicknesses. Part Number Explanation This antenna was designed in mind for small coin cell, wearable, IoT, 2.4 BLE, 802.11, ISM, Zigbee, etc. applications in close-range networks where metal or a battery/display covers the entire length or side of the PCB or encasement must be present directly under the antenna and there's no room for usual/typical antenna metal clearance. Impedance (Ω) Power Capacity (W) -40 to +85°C +5 to +35°C Humidity 45 - 75% RH 50 2 max. (CW) 2,000 General Specifications Part Number Frequency (MHz) Mechanical SpecificationsTerminal Configuration Inmm Feeding Point 2450AT42E010B 2400 - 2480 -1.0 (YZ-V) EVB1* 2.7 min. EVB2 * 3.5 min. -1.0 (YZ-V) Suffix = S Suffix = E 18 months max. Return Loss (dB) Peak Gain (dBi typ.) Average Gain (dBi typ.)-3.5 (YZ-V)-5.0 (YZ-V) Evaluation Board 2 2450AT42E010B-EB2SMA (comes with 1 female SMA connector) P/N Suffix E.g. 2450AT42E010BS E.g. 2450AT42E010BE Evaluation Board 1 Packing Style 2450AT42E010B-EB1SMA (comes with 1 female SMA connector) Bulk (loose pcs.) T & R Reel Quantity (pcs./reel) Operating Temp Recommended Storage Conditions and Period for unused Product on T&R Antenna mounts directly above or below the metal layer of PCB. No antenna clearance required ever again! b T a b    L W c Top View Bottom View Side View 2.4 GHz SMD, Above Metal, Low Profile Mini Chip Antenna P/N 2450AT42E010B This antenna will generally have a metal layer directly underneath for proper operation, exceptions may apply. Detail Specification: Page 2 of 9 https://www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2021 Johanson Technology, Inc. All Rights Reserved Mounting Consideration 1: Evaluation Board 1 (Thickness = 1.5mm) Ver. 5.1 High Frequency Ceramic Solutions Johanson Technology, Inc. reserves the right to make design changes without notice. 10/28/2021 *Line width should be designed to match 50ohm characteristic impedance, depending on PCB material and thickness. A coplanar waveguide trace is recommended for best results. For this particular antenna It is recommended that the designer leave available slots for the matching network, even if all slots won't be used, this will prepare the PCB for the unpredictable final mass production version of the matching circuit. The antenna matching network values above are used when antenna is mounted on Johanson's evaluation board. The matching values on client’s PCB will be different. To order a pre-tuned 50 Ω EVB with a female SMA connector you see here Click here: https://www.johansontechnology.com/request-a-sample Reference p/n: 2450AT42E010B-EB1SMA All sales are subject to Johanson Technology, Inc. terms and conditions. Metal bottom GND plane to be placed directly underneath yellow soldemask zone, covering entire area. 1.5 nH Matching circuit 1.5mm 0.3mm 2mm 1.5mm 0.6mm 1.0mm 0.6mm 0.5mm 0.63mm 0.63mm Floating pad 3mm 6.26mm     * Ground Plane (where other SMD components will be mounted) 30mm 6.26mm 50mm 50Ω Feed Line 3mm Top View Bottom View Ground Want the layout file? Send us a message at: https://www.johansontechnology.com/ask-a-question p/n: 2450AT42E010B-EB1SMA Matching circuit 2.4 GHz SMD, Above Metal, Low Profile Mini Chip Antenna P/N 2450AT42E010B This antenna will generally have a metal layer directly underneath for proper operation, exceptions may apply. Detail Specification: Page 3 of 9 https://www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2021 Johanson Technology, Inc. All Rights Reserved Ver. 5.1 *Line width should be designed to match 50ohm characteristic impedance, depending on PCB material and thickness. A coplanar waveguide trace is recommended for best results. For this particular antenna It is recommended that the designer leave available slots for the matching network, even if all slots won't be used, this will prepare the PCB for the unpredictable final mass production version of the matching circuit. The antenna matching network values above are used when antenna is mounted on Johanson's evaluation board. The matching values on client’s PCB will be different. To order a pre-tuned 50 Ω EVB with a female SMA connector you see here Click here: https://www.johansontechnology.com/request-a-sample Reference p/n: 2450AT42E010B-EB2SMA High Frequency Ceramic Solutions 10/28/2021 Johanson Technology, Inc. reserves the right to make design changes without notice. Mounting Consideration 1: Evaluation Board 2 (Thickness = 2.5mm) All sales are subject to Johanson Technology, Inc. terms and conditions. 0.5mm Floating pad * 1.5 nH 3.6pF 1.0 nH 8.2 pF Matching circuit 0.13mm     Metal bottom GND plane to be placed directly underneath yellow soldemask zone, covering entire area. Ground Plane (where other SMD components will be mounted) 30mm 6.26mm 50mm 50Ω Feed Line 3mm Top View Bottom View Ground Want the layout file? Send us a message at: https://www.johansontechnology.com/ask-a-question p/n: 2450AT42E0…

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Intertek 731 Enterprise Drive Lexington, KY 40510 Tel 859 226 1000 Fax 859 226 1040 www.intertek.com Epicore Biosystems Inc. TEST REPORT SCOPE OF WORK EMC TESTING – CONNECTED HYDRATION REPORT NUMBER 105353929LEX-003 ISSUE DATE 5/18/2023 PAGES 38 DOCUMENT CONTROL NUMBER Non-Specific EMC Report Shell Rev. December 2017 © 2017 INTERTEK This report is for the exclusive use of Intertek's Client and is provided pursuant to the agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to copy or distribute this report and then only in its entirety. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results in this report are relevant only to the sample tested. This report by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program. Intertek Testing Services NA, Inc. EMC TEST REPORT (FULL COMPLIANCE) Report Number: 105353929LEX-003 Project Number: G105353929 Report Issue Date: 5/18/2023 Model(s) Tested: Connected Hydration ASY-0215 Standards: Title 47 CFR Part 15.247 RSS-247 Issue 2 RSS-Gen Issue 5 Tested by: Client: Intertek Testing Services NA, Inc. 731 Enterprise Dr. Lexington, KY 40510 USA Epicore Biosystems Inc. 810 Memorial Drive Suite 100 Cambridge, MA 02139 USA Report prepared by Report reviewed by David Perry, Engineer Brian Lackey, Team Leader Evaluation For: Epicore Biosystems Inc. Product: Connected Hydration EMC Test Report Date: 5/18/2023 Non-Specific EMC Report Shell Rev. December 2017 Page 3 of 38 Report Number: 105353929LEX-003 Table of Contents 1 Introduction and Conclusion ........................................................................................................................... 4 2 Test Summary ................................................................................................................................................ 4 3 Client Information .......................................................................................................................................... 5 4 Description of Equipment under Test and Variant Models .............................................................................. 6 5 System Setup and Method ............................................................................................................................. 8 6 Transmitter Spurious Emissions & Band Edge ................................................................................................. 9 7 Conducted Spurious Emissions..................................................................................................…

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