2BNDD-SFHA500SensAura500

CoveredEquipmentAttestationLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(5)(i)-(ii)oftheCommission’sRules(47C.F.R.)weattestas followsfortheproductlistedbelow: FCCIDModelname 2BNDD-SFHA500SF-HA500 We, Applicant CompanyName:SensforgeInc Address:639AlphaDr,Pittsburgh,PA15238,United States Phone:412-926-4025 certifythattheequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules.Thisincludesthecybersecurityandanti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofit’ssuccessorsandassignees. Wecertifythat,asofthedateofthefilingoftheapplication,theapplicantisnotidentified ontheCoveredListasanentityproducing“covered”equipment. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, SignatureDate:2026-7-1 PrintedNameofSignee: CaseyDelgrosso/ChiefOperationOfficer Company:SensforgeInc Address:639AlphaDr,Pittsburgh,PA15238,UnitedStates Phone:412-926-4025Fax:N/A Email:[email protected]

ConfidentialityRequestLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoParagraphs§0.457and0.459oftheCommission’sRules(47C.F.R.)andSection §552(b)(4)oftheFreedomofInformationAct,werequestconfidentialityforthe documentationofthefollowingproducts: FCCIDModelname 2BNDD-SFHA500SF-HA500 Fortheproductslistedabove,werequestpermanentconfidentialityforallapplicable exhibitsasthereare:  theOperationalDescription  theBlockDiagram theSchematics Theabovelistedexhibitscontaintradesecretsandproprietaryinformationthatcouldbeof benefittoourcompetitors. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, Signature Date:2026-7-1 PrintedNameofSignee:CaseyDelgrosso/ChiefOperationOfficer Company:SensforgeInc Address:639AlphaDr,Pittsburgh,PA15238,UnitedStates Phone:412-926-4025Fax:N/A Email:[email protected]

FCC ID: 2BNDD- SFHA500 www.cotecna-toby.com TB-RF-073-3.1 Appendix III EUT External Photographs Photo 1 Appearance of EUT Photo 2 Appearance of EUT FCC ID: 2BNDD- SFHA500 www.cotecna-toby.com TB-RF-073-3.1 Photo 3 Appearance of EUT Photo 4 Appearance of EUT FCC ID: 2BNDD- SFHA500 www.cotecna-toby.com TB-RF-073-3.1 Photo 5 Appearance of EUT Photo 6 Appearance of EUT FCC ID: 2BNDD- SFHA500 www.cotecna-toby.com TB-RF-073-3.1 Photo 7 Appearance of EUT

FCC ID: 2BNDD- SFHA500 www.cotecna-toby.com TB-RF-073-3.1 Appendix I Label Appendix II Label Location FCC ID: 2BNDD- SFHA500 Model: SF-HA500

FCC ID: 2BNDD- SFHA500 www.cotecna-toby.com TB-RF-073-3.1 Appendix IV EUT Internal Photographs Photo 8 Internal of EUT Photo 9 Internal of Battery FCC ID: 2BNDD- SFHA500 www.cotecna-toby.com TB-RF-073-3.1 Photo 10 Appearance of PCB-R Photo 11 Appearance of PCB-R FCC ID: 2BNDD- SFHA500 www.cotecna-toby.com TB-RF-073-3.1 Photo 12 Appearance of PCB-R Photo 13 Appearance of PCB-R Ant. FCC ID: 2BNDD- SFHA500 www.cotecna-toby.com TB-RF-073-3.1 Photo 14 Appearance of PCB-L Photo 15 Appearance of PCB-L FCC ID: 2BNDD- SFHA500 www.cotecna-toby.com TB-RF-073-3.1 Photo 16 Appearance of PCB-L Photo 17 Appearance of PCB-L Ant.

Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202605-0406-4 Page: 1 of 10 TB-RF-073-3.1 1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Email: [email protected] www.cotecna-toby.com Maximum Permissible Exposure Evaluation FCC ID: 2BNDD-SFHA500 Report No. : TBR-C-202605-0406-4 Applicant : Sensforge Inc Equipment Under Test (EUT) EUT Name : SensAura500 Model No. : SF-HA500 Series Model No. : N/A Brand Name : SensForge Sample ID : HC-C-202605-0406-02-01 Receipt Date : 2026-06-16 Test Date : 2026-06-16 to 2026-07-01 Issue Date : 2026-07-01 Standards : FCC Part 2.1093 Test Method : KDB 447498 D01 General RF Exposure Guidance v06 Conclusions : PASS In the configuration tested, the EUT complied with the standards specified above. Test By : Lily ZHANG Reviewed By : Lucase Yang Approved By : Ivan Su This report details the results of the testing carried out on one sample. The results contained in this test report do not relate to other samples of the same product. The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in the report. Report No.: TBR-C-202605-0406-4 Page: 2 of 10 www.cotecna-toby.com TB-RF-073-3.1 CONTENTS CONTENTS ............................................................................................................................................. 2 1. GENERAL INFORMATION ABOUT EUT.............................................................................. 4 1.1 Client Information ................................................................................................................. 4 1.2 General Description of EUT (Equipment Under Test) ................................................... 4 2. MEASUREMENT UNCERTAINTY .......................................................................................... 5 3. TEST FACILITY.......................................................................................................................... 6 4. SAR TEST EXCLUSION CALCULATIONS .......................................................................... 7 Report No.: TBR-C-202605-0406-4 Page: 3 of 10 www.cotecna-toby.com TB-RF-073-3.1 Revision History Report No. Version Description Issued Date TBR-C-202605-0406-4 Rev.01 Initial issue of report 2026-07-01 Report No.: TBR-C-202605-0406-4 Page: 4 of 10 www.cotecna-toby.com TB-RF-073-3.1 1. General Information about EUT 1.1 Client Information Applicant : Sensforge Inc Address : 639 Alpha Dr, Pittsburgh, PA 15238, United States Manufacturer : Sensforge Inc Address : 639 Alpha Dr, Pittsburgh, PA 15238, United States 1.2 General Description of EUT (Equipment Under Test) EUT Name : SensAura500 Models No. : SF-HA500 Model Different : N/A Product Description : Operation Frequency: Bluetooth&BLE: 2402MHz~2480MHz (Right&Left) Modulation Type: Bluetooth&BLE: GFSK, Pi/4-DQPSK, 8DPSK (Right&Left) Antenna Gain: 2.4dBi Chip Antenna (Right&Left) Power Rating : USB Input: DC 5V (Right&Left) DC 3.87V 200mAh Rechargeable Li-ion battery Software Version : S230622-F251014-W5MSP-DSP251014V3-ALKSAPP-F2D(4.4V)- 1MAPP-EN-T1.21D1-ALL Hardware Version : MC-F2A-R-V1.5,MC-F2-L-V1.5 Remark: The above antenna information is declared by manufacturer and for more detailed features description, please refer to the manufacturer's specifications, the laboratory shall not be held responsible. Report No.: TBR-C-202605-0406-4 Page: 5 of 10 www.cotecna-toby.com TB-RF-073-3.1 2. Measurement Uncertainty The reported uncertainty of measurement y±U，where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2，providing a level of confidence of approximately 95 %. Test Item Parameters Expanded Uncertainty (ULab) Conducted Emission Level Accuracy: 9kHz~150kHz 150kHz to 30MHz ±3.50 dB ±3.10 dB Radiated Emission Level Accuracy: 9kHz to 30 MHz ±4.60 dB Radiated Emission Level Accuracy: 30MHz to 1000 MHz ±4.50 dB Radiated Emission Level Accuracy: Above 1000MHz ±4.20 dB Temperature / ±0.6°C Humidity / ±4% Supply voltages / ±2% Time / ±4% Report No.: TBR-C-202605-0406-4 Page: 6 of 10 www.cotecna-toby.com TB-RF-073-3.1 3. Test Facility The testing report were performed by the Shenzhen Toby Technology Co., Ltd., in their facilities located at 1/F., Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. At the time of testing, the following bodies accredited the Laboratory: CNAS (L5813) The Laboratory has been accredited by CNAS to ISO/IEC 17025: 2017 General Requirements for the Competence of Testing and Calibration Laboratories for the competence in the field of testing. And the Registration No.: CNAS L5813. A2LA Certificate No.: 4750.01 The laboratory has been accredited by American Association for Laboratory Accreditation(A2LA) to ISO/IEC 17025：2017 General Requirements for the Competence of Testing and Calibration Laboratories for the technical competence in the field of Electrical Testing. And the A2LA Certificate No.: 4750.01.FCC Accredited Test Site Number: 854351. Designation Number: CN1223. IC Registration No.: (11950A) The Laboratory has been registered by Certification and Engineering Bureau of Industry Canada for radio equipment testing. The site registration: Site# 11950A. CAB identifier: CN0056. Report No.: TBR-C-202605-0406-4 Page: 7 of 10 www.cotecna-toby.com TB-RF-073-3.1 4. SAR Test Exclusion Calculations 4.1 FCC: According to KDB 447498 D01 v06 Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies v06. (1) Clause 4.3: General SAR test reduction and exclusion guidance Sub clause 4.31: Standalone SAR test exclusion considerations 1) The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6GHz at test separation distance≤5 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation, mm)]*[√ f (GHz) ] ≤3.0 for 1-g SAR [(max. power o…

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5F., No. 83, Kewang Rd., Longtan Dist., Taoyuan City 32556, Taiwan (R.O.C.) Tel: 886-3-4072728｜Fax: 886-3-4072738 ｜https://www.unictron.com 1 © Unictron Technologies Corp . All specifications subject to change without notice. www.sanav.com www.unictron.com Product Name: WiFi/Bluetooth Chip Antenna – CW201 Part Number: H2U34C1H1B0100 Features:  Supporting WiFi/Bluetooth, covering 2400 to 2484 MHz  Surface Mount  Dimensions: 2.0 x 1.2 x 0.6 mm  High performance, small size.  RoHS & REACH & HF Compliant  AEC-Q200 Compliant 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 5F., No. 83, Kewang Rd., Longtan Dist., Taoyuan City 32556, Taiwan (R.O.C.) Tel: 886-3-4072728｜Fax: 886-3-4072738 ｜https://www.unictron.com 2 © Unictron Technologies Corp . All specifications subject to change without notice. www.sanav.com www.unictron.com WiFi/Bluetooth Chip Antenna MODEL: CW201 Version: A I. Specifications: Mechanical Specifications Dimensions (mm) 2.0 (L) x 1.2 (W) x 0.6 (H) Material Ceramic Termination Ag (environmental Pb free) Environmental Conditions Operation & Storage Temperature ( o C) -40 ~ +105 Storage Temperature ( o C) (Antenna with packing sealed) -5 ~ +40 Relative Humidity 10 ~ 70 % Items Specifications Frequencies (MHz) 2400~2484 Return loss (dB) < -10 Typ. VSWR < 2 Typ. Efficiency (%) @2442MHz 62.9 Average Gain (dB) -2.0 Peak Gain (dBi) 2.0 Test Condition 40 x 20 mm² (Evaluation board) Impedance (Ω) 50 Polarization Linear Polarization 5F., No. 83, Kewang Rd., Longtan Dist., Taoyuan City 32556, Taiwan (R.O.C.) Tel: 886-3-4072728｜Fax: 886-3-4072738 ｜https://www.unictron.com 3 © Unictron Technologies Corp . All specifications subject to change without notice. www.sanav.com www.unictron.com II. Layout Guide: Solder Land Pattern: The solder land pattern (gold marking areas) is shown below. Recommendation on matching circuit will be provided according to customer’s installation conditions. Grounding Pin Signal Input Transmission Line with 50Ω Impedance Characteristic Top View Bottom View 5F., No. 83, Kewang Rd., Longtan Dist., Taoyuan City 32556, Taiwan (R.O.C.) Tel: 886-3-4072728｜Fax: 886-3-4072738 ｜https://www.unictron.com 4 © Unictron Technologies Corp . All specifications subject to change without notice. www.sanav.com www.unictron.com III. Mechanical Dimensions: a) Antenna Dimensions b) PIN Definition PIN 1 2 Soldering Pad Signal Input Tuning/Signal Output TOP View Bottom View Side View Unit: mm Unit: mm 5F., No. 83, Kewang Rd., Longtan Dist., Taoyuan City 32556, Taiwan (R.O.C.) Tel: 886-3-4072728｜Fax: 886-3-4072738 ｜https://www.unictron.com 5 © Unictron Technologies Corp . All specifications subject to change without notice. www.sanav.com www.unictron.com c) Test Board with Antenna Unit: mm 5F., No. 83, Kewang Rd., Longtan Dist., Taoyuan City 32556, Taiwan (R.O.C.) Tel: 886-3-4072728｜Fax: 886-3-4072738 ｜https://www.unictron.com 6 © Unictron Technologies Corp . All specifications subject to change without notice. www.sanav.com www.unictron.com IV. Properties: a) Return loss (dB) b) VSWR 5F., No. 83, Kewang Rd., Longtan Dist., Taoyuan City 32556, Taiwan (R.O.C.) Tel: 886-3-4072728｜Fax: 886-3-4072738 ｜https://www.unictron.com 7 © Unictron Technologies Corp . All specifications subject to change without notice. www.sanav.com www.unictron.com c) Efficiency (%) b) Average Gain (dB) 5F., No. 83, Kewang Rd., Longtan Dist., Taoyuan City 32556, Taiwan (R.O.C.) Tel: 886-3-4072728｜Fax: 886-3-4072738 ｜https://www.unictron.com 8 © Unictron Technologies Corp . All specifications subject to change without notice. www.sanav.com www.unictron.com c) Peak Gain (dBi) d) Frequency (MHz) 2400 2410 2415 2420 2425 2430 2435 2440 2442 2450 Average Gain (dB) -2.6 -2.5 -2.3 -2.1 -2.1 -2.1 -2.1 -2.0 -2.0 -2.1 Efficiency (%) 54.6 55.7 59 61.7 62.2 61.2 62.2 63.4 62.9 61.9 Peak Gain (dBi) 0.7 0.8 1.2 1.5 1.7 1.7 1.8 1.9 2 2 Frequency (MHz) 2455 2460 2465 2470 2475 2480 2485 Average Gain (dB) -2.1 -2.2 -2.2 -2.4 -2.5 -2.5 -2.7 Efficiency (%) 61.2 60.1 59.6 56.2 55.8 55 54 Peak Gain (dBi) 2.1 2.1 2.4 2.1 2.1 2.1 2.1 5F., No. 83, Kewang Rd., Longtan Dist., Taoyuan City 32556, Taiwan (R.O.C.) Tel: 886-3-4072728｜Fax: 886-3-4072738 ｜https://www.unictron.com 9 © Unictron Technologies Corp . All specifications subject to change without notice. www.sanav.com www.unictron.com V. Antenna Radiation Pattern Measurement: The antenna radiation patterns are measured in Unictron’s 3D Anechoic Chamber. The measurement setup is as show below. Z Y X X Y Z 5F., No. 83, Kewang Rd., Longtan Dist., Taoyuan City 32556, Taiwan (R.O.C.) Tel: 886-3-4072728｜Fax: 886-3-4072738 ｜https://www.unictron.com 10 © Unictron Technologies Corp . All specifications subject to change without notice. www.sanav.com www.unictron.com 3D Radiation Gain Pattern 2400 MHz (unit: dBi) 2442 MHz (unit: dBi) 2485 MHz (unit: dBi) X Y Z 5F., No. 83, Kewang Rd., Longtan Dist., Taoyuan City 32556, Taiwan (R.O.C.) Tel: 886-3-4072728｜Fax: 886-3-4072738 ｜https://www.unictron.com 11 © Unictron Technologies Corp . All specifications subject to change without notice. www.sanav.com www.unictron.com 2D Radiation Gain Pattern 2400 MHz (unit: dBi) 2442 MHz (unit: dBi) 2485 MHz (unit: dBi) Y X X Y Z Z XY Plane XZ Plane YZ Plane Y X X Y Z Z XY Plane XZ Plane YZ Plane Y X X Y Z Z XY Plane XZ Plane YZ Plane X Y Z 5F., No. 83, Kewang Rd., Longtan Dist., Taoyuan City 32556, Taiwan (R.O.C.) Tel: 886-3-4072728｜Fax: 886-3-4072738 ｜https://www.unictron.com 12 © Unictron Technologies Corp . All specifications subject to change without notice. www.sanav.com www.unictron.com VI. Frequency tuning: System Matching Circuit Component Location Description Vendor Tolerance 1 N/C - - 2 5.0 pF (0402) MURATA ±0.05 pF 3 0.8 pF (0402) MURATA ±0.05 pF 4 2.7 pF (0201) MURATA ±0.05 pF DC Block 22 pF (0402) MURATA ±5% 1 3 2 DC Block 4 5F., No. 83, Kewang Rd., Lo…

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Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202605-0406-1 Page: 1 of 40 FCC ID: 2BNDD-SFHA500 TB-RF-073-3.1 RF Test Data for Bluetooth LE (Conducted Measurements) General Description of EUT EUT Name: SensAura500 Model: SF-HA500 Sample ID: HC-C-202605-0406-02-01 Test Standard: FCC Part 15.247 Environmental Conditions Temperature: 23.8°C Relative Humidity: 46.2% Test Voltage: 3.87V Test Engineer: Lily ZHANG Note: For a more detailed features description, please refer to the report TBR-C-202605-0406-1 The report only show the worst case data. Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202605-0406-1 Page: 2 of 40 FCC ID: 2BNDD-SFHA500 TB-RF-073-3.1 Contents Duty Cycle............................................................................................................................................................................................... 3 Maximum Conducted Output Power ..................................................................................................................................................... 7 -6dB Bandwidth .................................................................................................................................................................................... 11 Occupied Channel Bandwidth ............................................................................................................................................................. 15 Maximum Power Spectral Density Level ............................................................................................................................................. 19 Band Edge ............................................................................................................................................................................................ 23 Conducted RF Spurious Emission ...................................................................................................................................................... 28 Restrict Band ........................................................................................................................................................................................ 35 Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202605-0406-1 Page: 3 of 40 FCC ID: 2BNDD-SFHA500 TB-RF-073-3.1 Duty Cycle Condition Mode Frequency (MHz) Antenna Duty Cycle (%) Correction Factor (dB) 1/T (kHz) NVNT BLE 1Mbps 2402 Ant1 85.12 0.7 0.47 NVNT BLE 1Mbps 2440 Ant1 85.08 0.7 0.47 NVNT BLE 1Mbps 2480 Ant1 85.12 0.7 0.47 NVNT BLE 2Mbps 2402 Ant1 85.92 0.66 0.93 NVNT BLE 2Mbps 2440 Ant1 85.92 0.66 0.93 NVNT BLE 2Mbps 2480 Ant1 85.92 0.66 0.93 Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202605-0406-1 Page: 4 of 40 FCC ID: 2BNDD-SFHA500 TB-RF-073-3.1 Test Graphs Duty Cycle NVNT BLE 1Mbps 2402MHz Ant1 Duty Cycle NVNT BLE 1Mbps 2440MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202605-0406-1 Page: 5 of 40 FCC ID: 2BNDD-SFHA500 TB-RF-073-3.1 Duty Cycle NVNT BLE 1Mbps 2480MHz Ant1 Duty Cycle NVNT BLE 2Mbps 2402MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202605-0406-1 Page: 6 of 40 FCC ID: 2BNDD-SFHA500 TB-RF-073-3.1 Duty Cycle NVNT BLE 2Mbps 2440MHz Ant1 Duty Cycle NVNT BLE 2Mbps 2480MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202605-0406-1 Page: 7 of 40 FCC ID: 2BNDD-SFHA500 TB-RF-073-3.1 Maximum Conducted Output Power Condition Mode Frequency (MHz) Antenna Conducted Power (dBm) Duty Factor (dB) Total Power (dBm) Limit (dBm) Verdict NVNT BLE 1Mbps 2402 Ant1 1.37 0 1.37 30 Pass NVNT BLE 1Mbps 2440 Ant1 1.799 0 1.799 30 Pass NVNT BLE 1Mbps 2480 Ant1 2.012 0 2.012 30 Pass NVNT BLE 2Mbps 2402 Ant1 1.654 0 1.654 30 Pass NVNT BLE 2Mbps 2440 Ant1 1.498 0 1.498 30 Pass NVNT BLE 2Mbps 2480 Ant1 1.703 0 1.703 30 Pass Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202605-0406-1 Page: 8 of 40 FCC ID: 2BNDD-SFHA500 TB-RF-073-3.1 Test Graphs Power NVNT BLE 1Mbps 2402MHz Ant1 Power NVNT BLE 1Mbps 2440MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202605-0406-1 Page: 9 of 40 FCC ID: 2BNDD-SFHA500 TB-RF-073-3.1 Power NVNT BLE 1Mbps 2480MHz Ant1 Power NVNT BLE 2Mbps 2402MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202605-0406-1 Page: 10 of 40 FCC ID: 2BNDD-SFHA500 TB-RF-073-3.1 Power NVNT BLE 2Mbps 2440MHz Ant1 Power NVNT BLE 2Mbps 2480MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.…

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Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202605-0406-1 Page: 1 of 40 FCC ID: 2BNDD-SFHA500 TB-RF-073-3.1 RF Test Data for Bluetooth LE (Conducted Measurements) General Description of EUT EUT Name: SensAura500 Model: SF-HA500 Sample ID: HC-C-202605-0406-02-01 Test Standard: FCC Part 15.247 Environmental Conditions Temperature: 23.8°C Relative Humidity: 46.2% Test Voltage: 3.87V Test Engineer: Lily ZHANG Note: For a more detailed features description, please refer to the report TBR-C-202605-0406-1 The report only show the worst case data. Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202605-0406-1 Page: 2 of 40 FCC ID: 2BNDD-SFHA500 TB-RF-073-3.1 Contents Duty Cycle............................................................................................................................................................................................... 3 Maximum Conducted Output Power ..................................................................................................................................................... 7 -6dB Bandwidth .................................................................................................................................................................................... 11 Occupied Channel Bandwidth ............................................................................................................................................................. 15 Maximum Power Spectral Density Level ............................................................................................................................................. 19 Band Edge ............................................................................................................................................................................................ 23 Conducted RF Spurious Emission ...................................................................................................................................................... 28 Restrict Band ........................................................................................................................................................................................ 35 Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202605-0406-1 Page: 3 of 40 FCC ID: 2BNDD-SFHA500 TB-RF-073-3.1 Duty Cycle Condition Mode Frequency (MHz) Antenna Duty Cycle (%) Correction Factor (dB) 1/T (kHz) NVNT BLE 1Mbps 2402 Ant1 85.12 0.7 0.47 NVNT BLE 1Mbps 2440 Ant1 85.12 0.7 0.47 NVNT BLE 1Mbps 2480 Ant1 85.08 0.7 0.47 NVNT BLE 2Mbps 2402 Ant1 85.92 0.66 0.93 NVNT BLE 2Mbps 2440 Ant1 85.92 0.66 0.93 NVNT BLE 2Mbps 2480 Ant1 85.92 0.66 0.93 Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202605-0406-1 Page: 4 of 40 FCC ID: 2BNDD-SFHA500 TB-RF-073-3.1 Test Graphs Duty Cycle NVNT BLE 1Mbps 2402MHz Ant1 Duty Cycle NVNT BLE 1Mbps 2440MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202605-0406-1 Page: 5 of 40 FCC ID: 2BNDD-SFHA500 TB-RF-073-3.1 Duty Cycle NVNT BLE 1Mbps 2480MHz Ant1 Duty Cycle NVNT BLE 2Mbps 2402MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202605-0406-1 Page: 6 of 40 FCC ID: 2BNDD-SFHA500 TB-RF-073-3.1 Duty Cycle NVNT BLE 2Mbps 2440MHz Ant1 Duty Cycle NVNT BLE 2Mbps 2480MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202605-0406-1 Page: 7 of 40 FCC ID: 2BNDD-SFHA500 TB-RF-073-3.1 Maximum Conducted Output Power Condition Mode Frequency (MHz) Antenna Conducted Power (dBm) Duty Factor (dB) Total Power (dBm) Limit (dBm) Verdict NVNT BLE 1Mbps 2402 Ant1 5.364 0 5.364 30 Pass NVNT BLE 1Mbps 2440 Ant1 5.263 0 5.263 30 Pass NVNT BLE 1Mbps 2480 Ant1 4.314 0 4.314 30 Pass NVNT BLE 2Mbps 2402 Ant1 5.158 0 5.158 30 Pass NVNT BLE 2Mbps 2440 Ant1 4.978 0 4.978 30 Pass NVNT BLE 2Mbps 2480 Ant1 4.191 0 4.191 30 Pass Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202605-0406-1 Page: 8 of 40 FCC ID: 2BNDD-SFHA500 TB-RF-073-3.1 Test Graphs Power NVNT BLE 1Mbps 2402MHz Ant1 Power NVNT BLE 1Mbps 2440MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202605-0406-1 Page: 9 of 40 FCC ID: 2BNDD-SFHA500 TB-RF-073-3.1 Power NVNT BLE 1Mbps 2480MHz Ant1 Power NVNT BLE 2Mbps 2402MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202605-0406-1 Page: 10 of 40 FCC ID: 2BNDD-SFHA500 TB-RF-073-3.1 Power NVNT BLE 2Mbps 2440MHz Ant1 Power NVNT BLE 2Mbps 2480MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report N…

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Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202605-0406-1 Page: 1 of 36 TB-RF-073-3.1 1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Email: [email protected] www.cotecna-toby.com Radio Test Report FCC ID: 2BNDD-SFHA500 Report No. : TBR-C-202605-0406-1 Applicant : Sensforge Inc Equipment Under Test (EUT) EUT Name : SensAura500 Model No. : SF-HA500 Series Model No. : N/A Brand Name : SensForge Sample ID : HC-C-202605-0406-01-01&HC-C-202605-0406-02-01 Receipt Date : 2026-06-16 Test Date : 2026-06-16 to 2026-07-01 Issue Date : 2026-07-01 Standards : FCC Part 15 Subpart C 15.247 Test Method : ANSI C63.10: 2020+Cor.1:2023+C63.10a: 2024+Errata to C63.10a: 2024 KDB 558074 D01 15.247 Meas Guidance v05r02 Conclusions : PASS In the configuration tested, the EUT complied with the standards specified above. Test By : Lily ZHANG Reviewed By : Lucase Yang Approved By : Ivan Su This report details the results of the testing carried out on one sample. The results contained in this test report do not relate to other samples of the same product. The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in the report. Report No.: TBR-C-202605-0406-1 Page: 2 of 36 www.cotecna-toby.com TB-RF-073-3.1 Contents CONTENTS ............................................................................................................................................ 2 1. GENERAL INFORMATION ABOUT EUT ............................................................................. 5 1.1 Client Information ................................................................................................................ 5 1.2 General Description of EUT (Equipment Under Test) ................................................... 5 1.3 Block Diagram Showing the Configuration of System Tested ...................................... 6 1.4 Description of Support Units .............................................................................................. 7 1.5 Description of Test Mode ................................................................................................... 7 1.6 Description of Test Software Setting ................................................................................ 8 1.7 Measurement Uncertainty .................................................................................................. 9 1.8 Test Facility......................................................................................................................... 1…

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