2BUPV-GW01Gateway

HI24042701 Rev:B HUM INDUSTRIAL TECHNOLOGIES STANDARD PROCEDURES DWG NO: HI24042701 REV. B Dat e: 07/30/2026 PAGE: 1 of 5 DE SCRIPTION: Installation of HI24030204 Gateway using through bolts 1.COMPANY INFORMATION: 1.1. ADDRESS: 1.1.1. 4220 Duncan Ave, Suite 201 St. Louis, Missouri 63110 1.2. PHONE NUMBER: 314-750-8962 1.3. EMAIL: [email protected] 1.4. WEBSITE: www.humindustrial.com 2.TITLE: Installation Instructions of the HUM Gateway Device to Train Car 3.SCOPE: HUM Gateway Devices using the bolted mounting plates 4.PURPOSE OF UNIT: The Hum Gateway uses a LoRa Protocol to connect to and collect data from Hum’s peripheral IoT Devices. As of October 2025, Hum’s current IoT devices are Hum Valve Sensor and Hum Boomerang. The Gateway then uses a cellular network to relay this data to a cloud-based server. 5.DISCUSSION: 5.1. TOOLS RE QUIRED: 5.1.1. 7/16” Wrench 5.1.2. 7/16” Socket on a Ratchet or Impact Drill 5.1.3. Battery Powered Electric Drill 5.1.4. 9/32” Split Tip Drill Bits 5.1.5. HUM Hole Drilling Jig 5.1.6. Spring-Impact Marking Punch 5.1.7. Sharpie Pen or Spray Paint 5.2. HARDWARE REQUIRED: 5.2.1. Four (4) 1.0 Inch ¼”-20 Steel Bolts 5.2.2. Four (4) ¼”-20 Hex Nuts HUM INDUSTRIAL TECHNOLOGIES STANDARDPROCEDURES DWG NO: HI24042701 REV. B PAGE: 2 of 5 DE SCRIPTION: Installation of HI24030204 Gateway using through bolts 5.2.3. Four (4) ¼” Split Lock Washers 5.2.4. Eight (8) ¼” Flat Washers 5.3. MOUNTING LOCATION: 5.3.1. The Gateway Device is mounted horizontally on the side of the train car with the solar panels angled up as Shown in Figures 1 & 2 5.4. MOUNTING HOLES 5.4.1. Use the Handle to hold the Mounting Hole Jig Vertically (Figure 3) on the side of the train car as shown in STEP 5.2.1 5.4.2. Use a Sharpie Pen or Spray Paint to Mark the Four (4) Holes Figure 2 Figure 3 GATEWAY DEVICE LOCATION LOCATIONO Figure 1 Date: 07/30/2026 HI24042701 Rev:B HUM INDUSTRIAL TECHNOLOGIES STANDARD PROCEDURES DWG NO: HI24042701 REV. B PAGE: 3 of 5 DE SCRIPTION: Installation of HI24030204 Gateway using through bolts 5.5. DRILLING MOUNTING HOLE 5.5.1. Use a Spring-Impact Punch to punch the center of the Four (4) circles marked in STEP 5.3.2 5.5.2. Drill through the side of the train car using a 9/32” Drill Bit at the 4 Locations punched in STEP 5.4.1 5.6. BOLT INSTALLATION 5.6.1. Install a ¼” Flat Washer onto the ¼”-20 Bolt 5.6.2. Hold the Gateway Device up to the holes drilled in the train car and install the bolt and washer through the top mount and hole in the train car. 5.6.3. Install a FLAT WASHER, LOCKING WASHER and ¼-20 NUT onto the BOLT as shown in Figure 4. 5.6.4. Screw the NUT onto the BOLT, until snug but do not fully tighten until all bolts are installed. 5.6.5. Install the other three sets of BOLTS, NUTS and WASHERS as shown in Figure 4 & 5. 5.6.6. Tighten all of the NUTS and BOLTS with a 7/16” Wrench and Socket or Impact Drill. Figure 4 Figure 5 Dat e: 07/30/2026 HI24042701 Rev:B HUM INDUSTRIAL TECHNOLOGIES STANDARD PROCEDURES DWG NO: HI24042701 REV. B PAGE: 4 of 5 6.TECHNICAL DETAILS 6.1. DEVICE LABEL DETAILS: Hum Industrial Technology Part Number: HI24030204 Class I, Div. 2 Groups A,B,C,D Temperature Code: T6 T amb : 10°C to 40°C Electrical Rating: 500mA @ 4.2V IP64 Rated Explosion Hazard: Do Not Open Device. No user replaceable or serviceable parts. Avertissement: Risque D'explosion. Ne Pas Ouvrir. Aucune pièce remplaçable ou réparable 6.2. BATTERY REPLACEMENT INSTRUCTIONS: 6.2.1 This device is not intended for on-site battery replacement. Any opening or tampering of the device will result in the void of all warranties. For device service, please contact HUM INDUSTIAL. 6.2.2 Explosion Hazard: Do Not Open Device. No user replaceable or serviceable parts. Avertissement: Risque D'explosion. Ne Pas Ouvrir. Aucune pièce remplaçable ou réparable 6.3. OPERATING INSTRUCTIONS: Once installed the device will start working automatically. All devices have been configured by HUM and do not require any set up from the user. 6.4. MAINTENANCE INSTRUCTIONS: 6.4.1. Cleaning: If the clear windows become covered in dust or dirt, spray clean with water or wipe clean with a wet sponge. Be careful not to scratch the windows while cleaning. 6.4.2. Inspection: The Gateway Device should be visually inspected every 3 months to ensure device has not been damaged. If there are any cracks, broken or missing parts, please contact HUM INDUSTRIAL for warranty or replacement. 6.5. ENVIRONMENTAL SEPECIFICATIONS: Maximum Humidity: 100% Maximum Altitude: 12,000 feet Pollution Degree: 4 (Electrical Equipment for Outdoor Use) Note: This device is designed to be used in outdoor locations, to withstand normal weather conditions, including wet locations. 6.6 WARNINGS: The intended function of this device could be impaired if the equipment is used in a manner not specified by the manufacturer. 6.7 BATTERY MANAGEMENT: There is a temperature control monitoring system within the Battery Management System Date: 07/30/2026 DE SCRIPTION: Installation of HI24030204 Gateway using through bolts HI24042701 Rev:B HUM INDUSTRIAL TECHNOLOGIES STANDARD PROCEDURES DWG NO: HI24042701 REV. B PAGE: 5 of 5 6.8 WIRELESS REGULATORY INFORMATION 6.8.1 FCC ID FCC ID: 2BUPV-GW01 IC: 35176-GW01 6.8 .2 FCC Compliance Statement Changes or modifications not expressly approved by Hum Industrial Technology Inc. could void the user's authority to operate the equipment. This device complies with Part 15 of 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 A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, an…

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CKC Certification Services, LLC CB: US0103; NB/AB: 0976 5046 Sierra Pines Drive Mariposa, CA 95338 Phone: 1 800-500-4EMC (4362) Fax: 209-787-5568 Email: [email protected] APP-FCC-A Page 1 of 7 Rev 9 APP-FCC-A Covered List Attestation Applicant Information Company Name: Hum Industrial Technology Inc Contact Name: Byron Porter Contact Title: CEO Company Address: 4220 Duncan Ave, Suite 201, St. Louis, MO 63110 Telephone No: 512-298-2818 Facsimile No: Email Address: [email protected] Equipment Identification Certification Program: FCC Equipment Authorization / Radio Certification Certification Number: FCC ID: 2BUPV-GW01 Declaration Declared Statement Affirmative (Correct) The applicant identified above is not identified on the FCC’s “Covered List” as an entity, affiliate, or subsidiary which produces equipment on the “Covered List” or identified as an entity which has rebranded or relabeled equipment produced by entities identified on the “Covered List.” Affirmative (Correct) The equipment identified above is not “covered” equipment Affirmative (Correct) The equipment identified above is not “covered” UAS equipment, including UAS critical components produced in a foreign country and communications and video surveillance equipment and services listed in Section 1709(a)(1) of the FY25 National Defense Authorization Act (Pub. L. 118-159). Affirmative (Correct) The equipment identified above is not a “covered” router produced in a foreign country. Affirmative (Correct) The software to be loaded prior to marketing of the equipment identified above is not “covered” software manufactured by any entity including predecessors, successors, parents, subsidiaries, or affiliates or any entity which has rebranded or relabeled the software produced by the entity(ies) identified on the “Covered List.” Affirmative (Correct) The equipment identified above is not a foreign-produced bi-directional power inverter which contains components for remote communication.0F 1 Affirmative (Correct) The equipment identified above is not a foreign-produced advanced robotic device. 1 Covered entities, covered equipment (categories or devices) and covered software installed on equipment at time of sale are prohibited from receiving an equipment authorization pursuant to 47 CFR Part 2, Subpart J, §2.903. 1 Equipment granted conditional approval can mark affirmative and applicant shall supply conditional approval letter. CKC Certification Services, LLC CB: US0103; NB/AB: 0976 5046 Sierra Pines Drive Mariposa, CA 95338 Phone: 1 800-500-4EMC (4362) Fax: 209-787-5568 Email: [email protected] APP-FCC-A Page 2 of 7 Rev 9 I hereby attest and certify that the above statements are true and correct. Signature of Authorized Individual: 1F 2 Printed Name: Byron Porter Title of authorized signature: CEO Date 8/10/2026 Note this attestation shall be signed by the applicant or their direct appointee within the same legal entity. A third party agent is not permitted to sign on behalf of the applicant. 2 Signature is not subject to the FCC’s authorized individual policy (KDB 852134) and may be signed by any appropriate company official. CKC Certification Services, LLC CB: US0103; NB/AB: 0976 5046 Sierra Pines Drive Mariposa, CA 95338 Phone: 1 800-500-4EMC (4362) Fax: 209-787-5568 Email: [email protected] APP-FCC-A Page 3 of 7 Rev 9 Attachment A – Additional Information The FCC’s “Covered List” includes certain “telecommunications equipment” and “video surveillance equipment” produced by specific manufacturers, their Affiliates or Subsidiaries and including any products produced by these entities which are rebranded or relabeled by other entities. (191, 184, 185, 188) 2F 3 Furthermore, the Covered List items includes software produced or provided by specific manufacturers, their predecessors, successors, parents, subsidiaries, or affiliates and includes any software produced by these entities which is rebranded or relabeled by other entities. The FCC claims under Section 2 of the Secure Networks Act that the identified equipment and/or software poses an unacceptable risk to United States national security. Telecommunications Equipment (195) : Any equipment used in fixed or mobile networks that provides advanced communications service, provided the equipment includes or uses electronic components, as defined under section 1.50001(c). Video Surveillance Equipment (205) : Any equipment that is used in fixed and mobile networks that provides advanced communications service in the form of a video surveillance service, provided the equipment includes or uses electronic components. Advanced Communications Service (195, 205) Any equipment that can be used in such a fixed or mobile broadband network to enable users to originate and receive high quality voice, data, graphics, and video telecommunications service using any technology with connection speeds of at least 200 kbps in either direction. Affiliate (183) : An entity that (directly or indirectly) owns or controls, is owned or controlled by, or is under common ownership or control with, another entity, where the term “own” means to have, possess, or otherwise control an equity interest (or the equivalent thereof) of more than 10 percent. Subsidiary (184) : Any entity in which such named entity directly or indirectly (1) holds de facto control or (2) owns or controls more than 50% of the total voting power of the entity’s outstanding voting stock. 3 Parenthetical references are citations of paragraph numbers in FCC Report and Order FCC 22-84 (ET Docket 21.232). CKC Certification Services, LLC CB: US0103; NB/AB: 0976 5046 Sierra Pines Drive Mariposa, CA 95338 Phone: 1 800-500-4EMC (4362) Fax: 209-787-5568 Email: [email protected] APP-FCC-A Page 4 of 7 Rev 9 Additional Definitions Router The term Router is defined by National Institute of Standards and Technology’s Internal Report 8425A to mean consumer-grade networking devices that are primarily intended for residential use and can be installed by…

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Attestation For United States Agent for Service of Process Self-Designation for US Based Manufacturers Only CKC CS PUB FCC AFSOP Self Designation v6 Applicant / Equipment Manufacturer Information Company Name: Hum Industrial Technology Inc. Contact Name: Byron Porter Contact Title: CEO Physical Address: 4220 Duncan Ave, Suite 201, St. Louis, MO 63110, USA Mailing Address: Same as above Telephone No: (512) 298-2818 Facsimile No: Email Address: [email protected] Grantee Code: 2BUPV FRN (10-Digit Number) 1 : 0037951910 Applicant Attestation The undersigned hereby consents: a) to self-designation as US Agent for Service of Process; and b) to accept responsibility and obligation to maintain self-designation for no less than one year after either all marketing and importation of the applicable equipment within the U.S has been permanently terminated, or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later; and c) to accept service of process in the US for matters related to the applicable equipment and at the physical address and email address identified in the applicant’s grantee code registration for equipment authorization applications under certification pursuant to 47 CFR Part 2 Subpart J; and d) to maintain current grantee code information on file in accordance with 47 CFR Part 2.929. Signature of Applicant: Printed Name: Byron Porter Date: 1/27/2026 1 FRN is mandatory when the US Agent for Service of Process has an existing FRN.

HUM INDUSTRIAL 4220 DUNCAN AVE, SUITE 201 ST. LOUIS, MO 63110 January 27, 2026 To Whom It May Concern: We hereby delegate CKC Certification Services, LLC (CKC CS) power of attorney to act on our behalf in matters pertaining to certification of products. The actions of CKC CS shall be considered the same as our own. Sincerely, Byron Porter Chief Executive Officer (CEO)

7/30/2026 Federal Communications Commission 7435 Oakland Mills Road C olumbia, MD 21046 Subject: Request for Permanent Confidentiality To whom it may concern: In accordance with 47CFR Section 0.457 and Section 0.459 pertaining to confidential material, we hereby request to hold permanently confidential all information contained within the b elow identified exhibits/document categories submitted pursuant to radio equipment certification requirements for FCC ID: 2BUPV-GW01 1.Block Diagram 2 .Operational Description 3.Schematics 4.Parts List / Tune-Up Procedure The above material contains trade secrets and proprietary information as specified by 47CFR 0.457(d) and technical data, which would customarily be gu arded from competitors. The public disclosure of this information might be harmful to our company and provide unjustified benefits to our competitors. Sin cerely, Byron Porter CEO Hum Industrial Technology Inc.

F2P28727A-2-C3 Page 1 of 1 2026-08-05 PHOTOGRAPHS: EXTERNAL Hum Industrial Technology Inc. – Model HUM Gateway V3 / Part No. HI24030204 Top Bottom

Sample ID Label Sample Location

20240420 Report Number: F2P28727A-2-C3-02E Page 1 of 8 Issue Date: 2026-08-05 F2 Labs 16740 Peters Road Middlefield, Ohio 44062 United States of America www.f2labs.com RF EXPOSURE REPORT Manufacturer: Hum Industrial Technology Inc. 4220 Duncan Avenue, Suite 201 St. Louis, Missouri 63110 USA Applicant: Same as Above Product Name: HUM Gateway V3 Product Description: The Hum Gateway offers the most robust GPS tracker in the rail industry. Dual BLE and LoRa wireless capability offer future proof interoperability while achieving an industry leading 1.5m CEP GPS accuracy. Operating Voltage/Freq. of EUT During Testing: Battery-Operated (3.3V) Model: Hum-Gateway-V6-R2 Part No.: HI24030204 FCC ID: 2BUPV-GW01 IC: 35176-GW01 Testing Commenced: 2026-07-21 Testing Ended: 2026-07-29 Test Results: In Compliance The EUT complies with the EMC requirements when manufactured identically as the unit tested in this report, including any required modifications. Any changes to the design or build of this unit subsequent to this testing may deem it non- compliant. Standards: • KDB447498 • FCC 1.1310 • FCC 1.1307(b)(3)(i)(A) • Safety Code 6 • RSS-102, Issue 6 Order No(s): F2P28727A-2-C3 Applicant: Hum Industrial Technology Inc. EUT: Model Hum-Gateway-V6-R2 / Part No. HI24030204 042216 Report Number: F2P28727A-2-C3-02E Page 2 of 8 Issue Date: 2026-08-05 Evaluation Conducted by: Erik Tobin, EMC Engineer Report Reviewed by: Ken Littell, Vice President of Operations F2 Labs F2 Labs F2 Labs 26501 Ridge Road 16740 Peters Road 8583 Zionsville Road Damascus, MD 20872 Middlefield, OH 44062 Indianapolis, IN 46268 Ph 301.253.4500 Ph 440.632.5541 Ph 317.610.0611 This test report may be reproduced in full; partial reproduction only may be made with the written consent of F2 Labs. The results in this report apply only to the equipment tested. Order No(s): F2P28727A-2-C3 Applicant: Hum Industrial Technology Inc. EUT: Model Hum-Gateway-V6-R2 / Part No. HI24030204 042216 Report Number: F2P28727A-2-C3-02E Page 3 of 8 Issue Date: 2026-08-05 TABLE OF CONTENTS 1 ADMINISTRATIVE INFORMATION 2 SUMMARY OF TEST RESULTS/MODIFICATIONS 3 ENGINEERING STATEMENT 4 EUT INFORMATION AND DATA 5 RF EXPOSURE FOR DEVICE <5mm FROM HUMAN  FCC  IC Order No(s): F2P28727A-2-C3 Applicant: Hum Industrial Technology Inc. EUT: Model Hum-Gateway-V6-R2 / Part No. HI24030204 042216 Report Number: F2P28727A-2-C3-02E Page 4 of 8 Issue Date: 2026-08-05 1 ADMINISTRATIVE INFORMATION 1.1 Measurement Location: F2 Labs in Middlefield, Ohio. Site description and attenuation data are on file with the FCC's Sampling and Measurement Branch at the FCC Laboratory in Columbia, MD. Site description and attenuation data are on file with the Certification and Engineering Bureau, Industry Canada, Site Number 4730B. 1.2 Measurement Procedure: All measurements were performed according to: • KDB558074 • FCC 15.249 • RSS-2 10 1.4 Document History Document Number Description Issue Date Approved By F2P28727A-2-C3-02E First Issue 2026-08-05 K. Littell Order No(s): F2P28727A-2-C3 Applicant: Hum Industrial Technology Inc. EUT: Model Hum-Gateway-V6-R2 / Part No. HI24030204 042216 Report Number: F2P28727A-2-C3-02E Page 5 of 8 Issue Date: 2026-08-05 2 SUMMARY OF TEST RESULTS Test Name Standard(s) Results RF Exposure for Device <5mm from Human KDB447498 FCC 1.1310 FCC 1.1307(b)(3)(i)(A) Safety Code 6 RSS-102, Issue 6 Complies Modifications Made to the Equipment None Order No(s): F2P28727A-2-C3 Applicant: Hum Industrial Technology Inc. EUT: Model Hum-Gateway-V6-R2 / Part No. HI24030204 042216 Report Number: F2P28727A-2-C3-02E Page 6 of 8 Issue Date: 2026-08-05 3 ENGINEERING STATEMENT This report has been prepared on behalf of Hum Industrial Technology Inc. to provide documentation for the calculations described herein, based on the measurements taken in supporting Test Reports. This equipment has been tested, and calculations were found to comply with KDB447498, FCC 1.1310, FCC 1.1307(b)(3)(i)(A), Safety Code 6 and RSS-102 Issue 6. The test results found in this test report relate only to the item(s) tested. Order No(s): F2P28727A-2-C3 Applicant: Hum Industrial Technology Inc. EUT: Model Hum-Gateway-V6-R2 / Part No. HI24030204 042216 Report Number: F2P28727A-2-C3-02E Page 7 of 8 Issue Date: 2026-08-05 4 EUT INFORMATION AND DATA 4.1 Equipment Under Test: Product: HUM Gateway V3 Model: Hum-Gateway-V6-R2 Part No.: HI24030204 Serial No.: 350457794335396 Firmware Version: 2.7.0 Hardware Version: Hum-Gateway-V6-R2 FCC ID: 2BUPV- GW01 IC: 35176-GW01 4.2 Trade Name: Hum Industrial Technology Inc. 4.3 Power Supply: Battery-Operated (3.3V) 4.4 Applicable Rules: • KDB447498 • FCC 1.1310 • FCC 1.1307(b)(3)(i)(A) • Safety Code 6 • RSS-102, Issue 6 4.5 Antenna: LoRa Chip Antenna, -1.0dBi Gain 4.6 Accessories: None 4.7 Test Item Condition: The equipment to be tested was received in good condition. Order No(s): F2P28727A-2-C3 Applicant: Hum Industrial Technology Inc. EUT: Model Hum-Gateway-V6-R2 / Part No. HI24030204 042216 Report Number: F2P28727A-2-C3-02E Page 8 of 8 Issue Date: 2026-08-05 5. RF EXPOSURE FOR DEVICE <5mm FROM HUMAN 5.1 Requirements: Distance used is 5mm FCC Limit: FCC 1.1307(b)(3)(i)(A) The available maximum time-averaged power is no more than 1 mW, regardless of separation distance. Formula Used for Result: 푃푃(푑푑푑푑푑푑)=퐸퐸(푑푑푑푑푑푑푑푑푑푑⁄)+20퐿퐿퐿퐿퐿퐿(푑푑)−퐿퐿 −104.77 Results: 927 MHz Vertical was the highest 92.8 + 9.542425 +1.0 - 104.77 = -1.43dBm 푃푃(푑푑푑푑푑푑)= -1.43 푤푤ℎ 푖푖푖푖ℎ 푖푖푖푖 0.72푑푑푚푚 IC Limit: 19mW per Table 11 in Section 6.3 of RSS-102 Issue 6 Formula Used for Result: 푃푃(푑푑푑푑푑푑)=퐸퐸(푑푑푑푑푑푑푑푑푑푑⁄)+20퐿퐿퐿퐿퐿퐿(푑푑)−퐿퐿 −104.77 Results: 927 MHz Vertical was the highest 92.8 + 9.542425 +1.0 - 104.77 = -1.43dBm 푃푃(푑푑푑푑푑푑)= -1.43 푤푤ℎ푖푖푖푖ℎ 푖푖푖푖 0.72푑푑푚푚 Note: LoRa and cellular are mutually exclusive in firmware; they are never active at the same time and never transmitting or receiving during the same time window, so simultaneous transmission is not addressed.

060818 Report Number: F2P28727A-2-C3-01E Page 1 of 31 Issue Date: 2026-08-05 F2 Labs 16740 Peters Road Middlefield, Ohio 44062 United States of America www.f2labs.com CERTIFICATION TEST REPORT Manufacturer: Hum Industrial Technology Inc. 4220 Duncan Avenue, Suite 201 St. Louis, Missouri 63110 USA Applicant: Same as Above Product Name: HUM Gateway V3 Product Description: The Hum Gateway offers the most robust GPS tracker in the rail industry. Dual BLE and LoRa wireless capability offer future proof interoperability while achieving an industry leading 1.5m CEP GPS accuracy. Operating Voltage/Freq. of EUT During Testing: Battery-Operated (3.7-4.2V) Model: Hum-Gateway-V6-R2 Part No.: HI24030204 FCC ID: 2BUPV-GW01 Testing Commenced: 2026-07-21 Testing Ended: 2026-07-29 Summary of Test Results: In Compliance The EUT complies with the EMC requirements when manufactured identically as the unit tested in this report, including any required modifications and/or manufacturer’s statement. Any changes to the design or build of this unit subsequent to this testing may deem it non-compliant. Standards:  FCC Part 15 Subpart C, Section 15.249  FCC Part 15 Subpart C, Section 15.215(c) – Additional provisions to the general radiated emission limitations  FCC Part 15 Subpart A, Section 15.31(e) – Measurement Standards  ANSI C63.10-2020+Cor. 1-2023 Order No(s): F2P28727A-2-C3 Applicant: Hum Industrial Technology Inc. EUT: Model Hum-Gateway-V6-R2 / Part No. HI24030204 060818 Report Number: F2P28727A-2-C3-01E Page 2 of 31 Issue Date: 2026-08-05 Evaluation Conducted by: Erik Tobin, EMC Engineer Report Reviewed by: Ken Littell, Vice President of Operations F2 Labs F2 Labs F2 Labs 26501 Ridge Road 16740 Peters Road 8583 Zionsville Road Damascus, MD 20872 Middlefield, OH 44062 Indianapolis, IN 46268 Ph 301.253.4500 Ph 440.632.5541 Ph 317.610.0611 This test report may be reproduced in full; partial reproduction only may be made with the written consent of F2 Labs. The results in this report apply only to the equipment tested. Order No(s): F2P28727A-2-C3 Applicant: Hum Industrial Technology Inc. EUT: Model Hum-Gateway-V6-R2 / Part No. HI24030204 060818 Report Number: F2P28727A-2-C3-01E Page 3 of 31 Issue Date: 2026-08-05 TABLE OF CONTENTS 1 ADMINISTRATIVE INFORMATION 2 SUMMARY OF TEST RESULTS / MODIFICATIONS 3 TABLES OF MEASURED RESULTS 4 ENGINEERING STATEMENT 5 EUT INFORMATION AND DATA 6 LIST OF MEASUREMENT INSTRUMENTATION 7 OCCUPIED BANDWIDTH 8 FIELD STRENGTH OF EMISSIONS / RADIATED SPURIOUS 9 PHOTOGRAPHS - TEST SETUPS Order No(s): F2P28727A-2-C3 Applicant: Hum Industrial Technology Inc. EUT: Model Hum-Gateway-V6-R2 / Part No. HI24030204 060818 Report Number: F2P28727A-2-C3-01E Page 4 of 31 Issue Date: 2026-08-05 1 ADMINISTRATIVE INFORMATION 1.1 Measurement Location: F2 Labs in Middlefield, Ohio. Site description and attenuation data are on file with the FCC's Sampling and Measurement Branch at the FCC Laboratory in Columbia, MD. 1.2 Measurement Procedure: All measurements were performed according to ANSI C63.10 and recommended FCC procedure of measurement for devices operating under Section 15.249. A list of the measurement equipment can be found in Section 6. Order No(s): F2P28727A-2-C3 Applicant: Hum Industrial Technology Inc. EUT: Model Hum-Gateway-V6-R2 / Part No. HI24030204 060818 Report Number: F2P28727A-2-C3-01E Page 5 of 31 Issue Date: 2026-08-05 1.3 Uncertainty Budget: The uncertainty in EMC measurements arises from several factors which affect the results, some associated with environmental conditions in the measurement room, the test equipment being used, and the measurement techniques adopted. The measurement uncertainty budgets detailed below are calculated from the test and calibration data and are expressed with a 95% confidence factor using a coverage factor of k=2. The Uncertainty for a laboratory is referred to as Ulab. For Radiated and Conducted Emissions, the Expanded Uncertainty is compared to the Ucispr values to determine if a specific margin is required to deem compliance. Ulab Ucispr If Ulab is less than or equal to Ucispr, then: • compliance is deemed to occur if no measured disturbance exceeds the disturbance limit; • non-compliance is deemed to occur if any measured disturbance exceeds the disturbance limit. If Ulab is greater than Ucispr in table 1, then: • compliance is deemed to occur if no measured disturbance, increased by (Ulab – Ucispr), exceeds the disturbance limit; • non-compliance is deemed to occur if any measured disturbance, increased by (Ulab – Ucispr), exceeds the disturbance limit. Note: Only measurements listed in the above tables that relate to tests included in this Test Report are applicable. Measurement Range Combined Uncertainty Expanded Uncertainty Radiated Emissions <1 GHz @ 3m 2.54dB 5.07dB Radiated Emissions <1 GHz @ 10m 2.55dB 5.09dB Radiated Emissions 1 GHz to 2.7 GHz 1.81dB 3.62dB Radiated Emissions 2.7 GHz to 18 GHz 1.55dB 3.10dB AC Power Line Conducted Emissions, 150kHz to 30 MHz 1.38dB 2.76dB AC Power Line Conducted Emissions, 9kHz to 150kHz 1.66dB 3.32dB Measurement Range Expanded Uncertainty Radiated Emissions <1 GHz @ 3m 5.2dB Radiated Emissions <1 GHz @ 10m 5.2dB Radiated Emissions 1 GHz to 2.7 GHz Under Consideration Radiated Emissions 2.7 GHz to 18 GHz Under Consideration AC Power Line Conducted Emissions, 150kHz to 30 MHz 3.6dB AC Power Line Conducted Emissions, 9kHz to 150kHz 4.0dB Order No(s): F2P28727A-2-C3 Applicant: Hum Industrial Technology Inc. EUT: Model Hum-Gateway-V6-R2 / Part No. HI24030204 060818 Report Number: F2P28727A-2-C3-01E Page 6 of 31 Issue Date: 2026-08-05 1.4 Document History: Document Number Description Issue Date Approved By F2X28727A-2-C3-01E First Issue 2026-08-05 K. Littell Order No(s): F2P28727A-2-C3 Applicant: Hum Industrial Technology Inc. EUT: Model Hum-Gateway-V6-R2 / Part No. HI24030204 060818 Report Number: F2P28727A-2-C3-01E Page 7 of 31 Issue Date: 2026-08-05 2 SUMMARY OF TEST RESULTS Test Name Standard(s) …

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Unlicensed Transmitters: Approved Antennas List Manufacturer Antenna Description Type Peak Gain (dBi) Min Cable loss (dB) Ω Connector Type Notes Johanson Technology Inc. 0915AT43A0026001E RF ANT 915MHZ CHIP SOLDER SMD Chip -1dBi N/A 50 Surface Mount (Solder) Notes: P/N: 0915AT43A0026001E Legacy P/N: 0915AT43A0026 Doc# 36S00210 Page 1 of 9 / Revision 4.0 Datasheet: 0915AT43A0026001E johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012, USA • +1.805-389-1166 2023 Johanson Technology, Inc. All Rights Reserved 902 – 928 MHz ISM Chip Antenna Johanson Technology, Inc. (JTI) miniature RF ceramic chip antennas are made using Low Temperature Co-fired Ceramic (LTCC) technology which has the ability to embed low and high dielectric constants inside our antenna. This enables our components to have high detuning resilience and stability over extreme temperatures (~2ppm). General Specifications 1 2 Maximum Ratings 1 Typical value represents average measurement at 25°C. Min./Max. values represent measurements over specified operating temperature. 2 General specifications measured on Johanson’s evaluation board P/N 0915AT43A0026001CE1. See pages 3-4. 3 Measured Radiated Efficiency on Johanson’s evaluation board P/N 0915AT43A0026001CE2. See pages 5-6. Passband Frequency (MHz) 902 - 928 Impedance (Ω) 50 Return Loss (dB) 8.5 Min. Peak Gain (dBi) -1.0 Typ. Average Gain (dBi) -4.0 Typ. Average Radiated Efficiency (%) – EVB1 25 Average Radiated Efficiency (%) – EVB2 3 22 Power Capacity (W) 2 Max. (CW) Operating Temperature (°C) -40 to +85 Recommended Storage Conditions post-installation (°C) -40 to +85 Recommended Storage Conditions and Period for Unused T&R Product 45% - 75% RH +5 to +35 °C 18 Months Max. PCB End Recommended mounting locations for this antenna PCB Corner P/N: 0915AT43A0026001E Legacy P/N: 0915AT43A0026 Doc# 36S00210 Page 2 of 9 / Revision 4.0 Datasheet: 0915AT43A0026001E johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012, USA • +1.805-389-1166 2023 Johanson Technology, Inc. All Rights Reserved Mechanical Dimensions Terminal Configuration 4 4 The termination type is Nickel Tin. Go to: https://www.johansontechnology.com/ipcsoldering-profile for Typical Soldering Profile.  This terminal must be soldered for anchoring and mechanical stability. Pin Number Function 1 Feed 2 NC  L 0.276 ± 0.008 7.00 ± 0.20 W 0.079 ± 0.008 2.00 ± 0.20 T 0.031 0.80 a 0.020 ± 0.012 0.50 ± 0.30 I nches Millimeters +0.10/-0.20 +0.004/-0.008 Bottom view Top view Side view ② ① a a L W T P/N: 0915AT43A0026001E Legacy P/N: 0915AT43A0026 Doc# 36S00210 Page 3 of 9 / Revision 4.0 Datasheet: 0915AT43A0026001E johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012, USA • +1.805-389-1166 2023 Johanson Technology, Inc. All Rights Reserved 40 9.5 GND Plane 20 Evaluation Board and Recommended Mounting Configuration 1 (P/N 0915AT43A0026001CE1) *Note: Ground Vias are highly recommended to have better antenna efficiency. JTI P/Ns for Matching Network 5 Capacitor (4.7pF): QSCF500Q4R7B1GV001T Inductor (10nH):…

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