2BEVY-S41Smart Cutting Machine

Changsha Benlei Technology Co., Ltd. I, the signer, The only differences between these models are the model name and the appearance of the color. They are electrically identical. Model name difference is for commercial purpose. Item Name ：Smart Cutting Machine Model Number: S41 Additional Model: S42, S43, S41-PK, S41-BU, S41-MK <Signature> Name: Baofeng Li Title: Engineer Company: Changsha Benlei Technology Co., Ltd.

External Photos M/N: S41 External Photos M/N: S41 Internal Photos M/N: S41 Internal Photos M/N: S41 External Photos M/N: S41 External Photos M/N: S41 External Photos M/N: S41 External Photos M/N: S41 External Photos M/N: S41

Internal Photos M/N: S41 Internal Photos M/N: S41 Bluetooth antenna Internal Photos M/N: S41 Internal Photos M/N: S41 Internal Photos M/N: S41 Internal Photos M/N: S41 Internal Photos M/N: S41 Internal Photos M/N: S41 Internal Photos M/N: S41 Internal Photos M/N: S41 Internal Photos M/N: S41 Internal Photos M/N: S41 \

Page 1 of 4 Report No. ESTE-R2509147 FCC 47 CFR MPE REPORT Changsha Benlei Technology Co., Ltd Smart Cutting Machine Model Number: S41 Additional Model: S42, S43, S41-PK, S41-BU, S41-MK FCC ID: 2BEVY-S41 Applicant: Changsha Benlei Technology Co., Ltd Address: Room 3002-621, Comprehensive Building, Sifang Community, No.168 Shuangyong Road, Sifangping Street, Kaifu District, Changsha City, Hunan Province, China Prepared By: EST Technology Co., Ltd. Chilingxiang, Qishantou, Santun, Houjie, Dongguan, Guangdong, China Tel: 86-769-83081888-808 Report Number: ESTE-R2509147 Date of Test: Aug. 27, 2025~ Sep. 16, 2025 Date of Report: Sep. 20, 2025 Page 2 of 4 Report No. ESTE-R2509147 Maximum Permissible Exposure 1. Applicable Standards Systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess limit for maximum permissible exposure. In accordance with 47 CFR FCC Part 2 Subpart J, section 2.1091 this device has been defined as a mobile device whereby a distance of 0.2m normally can be maintained between the user and the device. 1.1. Limits for Maximum Permissible Exposure (MPE) (a) Limits for Occupational/Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) Averaging Times ︱E︱ 2 ,︱H︱ 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842/f 4.89/f (900/f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-10000 5 6 (b) Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) Averaging Times ︱E︱ 2 ,︱H︱ 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-10000 1.o 30 Note: f=frequency in MHz; *Plane-wave equivalent power density Page 3 of 4 Report No. ESTE-R2509147 1.2. MPE Calculation Method E (V/m) = d G × P × 30 Power Density: Pd (W/m 2 ) = 377 E 2 E = Electric Field (V/m) P = Peak RF output Power (W) G = EUT Antenna numeric gain (numeric) d = Separation distance between radiator and human body (m) The formula can be changed to Pd = 2 d × 377 G × P × 30 From the peak EUT RF output power, the minimum mobile separation distance, d=0.2m, as well as the gain of the used antenna, the RF power density can be obtained Page 4 of 4 Report No. ESTE-R2509147 2. Conducted Power Result Mode Frequency (MHz) Peak output power (dBm) Peak output power (mW) GFSK 2402 0.28 1.067 2441 1.16 1.306 2480 1.69 1.476 π/4-DQPSK 2402 1.25 1.334 2441 1.89 1.545 2480 2.36 1.722 BLE 1M 2402 0.36 1.086 2440 0.99 1.256 2480 1.53 1.422 BLE 2M 2402 0.52 1.127 2440 1.18 1.312 2480 1.65 1.462 3. Calculated Result and Limit Mode Peak output power (dBm) Target power (dBm) MAX Target power (dBm) Antenna gain Power Density (S) (mW /cm 2 ) Limited of Power Density (S) (mW /cm 2 ) Test Result (dBi) (Linear) 2.4G Band GFSK 1.69 1±1 2 -0.58 0.875 0.00028 1 Complies π/4-DQPSK 2.36 2±1 3 -0.58 0.875 0.00035 1 Complies BLE 1M 1.53 1±1 2 -0.58 0.875 0.00028 1 Complies BLE 2M 1.65 1±1 2 -0.58 0.875 0.00028 1 Complies End of Test Report

Inverted F Antenna Specification Summary ITEM ANT SPEC Model Name 2.4G ANT Horizontal Vertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.26 -0.76 -0.58 -5.25 -2.46 -1.86 MAX. Gain -0.58dB Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Length 38.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -1.26174 -30.0801 -7.18716 2450 -0.765802 -36.5604 -7.48023 2500 -0.585582 -22.0315 -6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

Page 1 of 40 Report No.ESTE-R2509146 FCC PART 15C TEST REPORT FOR CERTIFICATION On Behalf of Changsha Benlei Technology Co., Ltd Smart Cutting Machine Model Number: S41 Additional Model: S42, S43, S41-PK, S41-BU, S41-MK FCC ID: 2BEVY-S41 Applicant: Changsha Benlei Technology Co., Ltd Address: Room 3002-621, Comprehensive Building, Sifang Community, No.168 Shuangyong Road, Sifangping Street, Kaifu District, Changsha City, Hunan Province, China Prepared By: EST Technology Co., Ltd. Chilingxiang, Qishantou, Santun, Houjie, Dongguan, Guangdong, China Tel: 86-769-83081888-808 Report Number: ESTE-R2509146 Date of Test: Aug. 27, 2025~ Sep. 16, 2025 Date of Report: Sep. 20, 2025 Page 2 of 40 Report No.ESTE-R2509146 TABLE OF CONTENTS Description Page TEST REPORT VERIFICATION .......................................................................................................... 3 1. GENERAL INFORMATION ................................................................................................................... 5 1.1. Description of Device (EUT) ............................................................................................................ 5 1.2. Antenna Information ......................................................................................................................... 5 1.3. Information of RF Cable ................................................................................................................... 5 2. SUMMARY OF TEST ........................................................................................................................... 6 2.1. Summary of test result ..................................................................................................................... 6 2.2. Test Facilities ..................................................................................................................................... 7 2.3. Measurement uncertainty ................................................................................................................ 8 2.4. Assistant equipment used for test .................................................................................................. 8 2.5. Block Diagram ................................................................................................................................... 8 2.6. Test Mode .......................................................................................................................................... 9 2.7. Power Setting of Test Software ...................................................................................................... 9 2.8. Duty Cycle .......................................................................................................................................... 9 2.9. Channel List ..................................................................................................................................... 10 2.10. Test Equipment List ...................................................................................................................... 11 3. 6DB BANDWIDTH ............................................................................................................................ 13 3.1. Limit ................................................................................................................................................... 13 3.2. Test Setup ........................................................................................................................................ 13 3.3. Spectrum Analyzer Setting ............................................................................................................ 13 3.4. Test Procedure ................................................................................................................................ 13 3.5. Test Result ....................................................................................................................................... 13 4. MAXIMUM PEAK OUTPUT POWER .................................................................................................. 14 4.1. Limit ................................................................................................................................................... 14 4.2. Test Setup ........................................................................................................................................ 14 4.3. Spectrum Analyzer Setting ............................................................................................................ 14 4.4. Test Procedure ................................................................................................................................ 14 4.5. Test Result ....................................................................................................................................... 14 5. POWER SPECTRAL DENSITY .......................................................................................................... 15 5.1. Limit ................................................................................................................................................... 15 5.2. Test Setup ........................................................................................................................................ 15 5.3. Spectrum Analyzer Setting ............................................................................................................ 15 5.4. Test Procedure ................................................................................................................................ 15 5.5. Test Result ....................................................................................................................................... 15 6. CONDUCTED BAND EDGE .............................................................................................................. 16 6.1. Limit ......................…

Text truncated - open the document above for the full version.

Page 1 of 25 Report No. ESTE-R2509146 Appendix A: DTS Bandwidth Test Result TestMode Antenna Frequency[MHz] DTS BW [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE_1M Ant1 2402 0.714 2401.646 2402.360 0.5 PASS BLE_1M Ant1 2440 0.690 2439.655 2440.345 0.5 PASS BLE_1M Ant1 2480 0.675 2479.676 2480.351 0.5 PASS BLE_2M Ant1 2402 1.176 2401.424 2402.600 0.5 PASS BLE_2M Ant1 2440 1.122 2439.454 2440.576 0.5 PASS BLE_2M Ant1 2480 1.212 2479.376 2480.588 0.5 PASS Page 2 of 25 Report No. ESTE-R2509146 Test Graphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS BLE_1M-Ant1-2480-PASS Page 3 of 25 Report No. ESTE-R2509146 BLE_2M-Ant1-2402-PASS BLE_2M-Ant1-2440-PASS Page 4 of 25 Report No. ESTE-R2509146 BLE_2M-Ant1-2480-PASS Page 5 of 25 Report No. ESTE-R2509146 Appendix B: Maximum conducted output power Test Result Peak TestMode Antenna Frequency[MHz] Conducted Peak Powert[dBm] Conducted Limit[dBm] Verdict BLE_1M Ant1 2402 0.36 ≤30 PASS BLE_1M Ant1 2440 0.99 ≤30 PASS BLE_1M Ant1 2480 1.53 ≤30 PASS BLE_2M Ant1 2402 0.52 ≤30 PASS BLE_2M Ant1 2440 1.18 ≤30 PASS BLE_2M Ant1 2480 1.65 ≤30 PASS Test Graphs Peak BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS Page 6 of 25 Report No. ESTE-R2509146 BLE_1M-Ant1-2480-PASS BLE_2M-Ant1-2402-PASS Page 7 of 25 Report No. ESTE-R2509146 BLE_2M-Ant1-2440-PASS BLE_2M-Ant1-2480-PASS Page 8 of 25 Report No. ESTE-R2509146 Page 9 of 25 Report No. ESTE-R2509146 Appendix C: Maximum power spectral density Test Result TestMode Antenna Frequency[MHz] Result[dBm/3kHz] Limit[dBm/3kHz] Verdict BLE_1M Ant1 2402 -15.55 ≤8.00 PASS BLE_1M Ant1 2440 -14.89 ≤8.00 PASS BLE_1M Ant1 2480 -14.20 ≤8.00 PASS BLE_2M Ant1 2402 -19.30 ≤8.00 PASS BLE_2M Ant1 2440 -18.57 ≤8.00 PASS BLE_2M Ant1 2480 -17.78 ≤8.00 PASS Page 10 of 25 Report No. ESTE-R2509146 Test Graphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS BLE_1M-Ant1-2480-PASS Page 11 of 25 Report No. ESTE-R2509146 BLE_2M-Ant1-2402-PASS BLE_2M-Ant1-2440-PASS Page 12 of 25 Report No. ESTE-R2509146 BLE_2M-Ant1-2480-PASS Page 13 of 25 Report No. ESTE-R2509146 Appendix D: Reference level measurement Test Result TestMode Antenna Freq(MHz) Max.Point[MHz] Result[dBm] BLE_1M Ant1 2402 2402.26 0.12 BLE_1M Ant1 2440 2440.25 0.67 BLE_1M Ant1 2480 2480.27 1.16 BLE_2M Ant1 2402 2402.03 -0.78 BLE_2M Ant1 2440 2440.50 -0.34 BLE_2M Ant1 2480 2480.51 0.14 Page 14 of 25 Report No. ESTE-R2509146 Test Graphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS BLE_1M-Ant1-2480-PASS Page 15 of 25 Report No. ESTE-R2509146 BLE_2M-Ant1-2402-PASS BLE_2M-Ant1-2440-PASS Page 16 of 25 Report No. ESTE-R2509146 BLE_2M-Ant1-2480-PASS Page 17 of 25 Report No. ESTE-R2509146 Appendix E: Band edge measurements Test Result TestMod e Antenn a ChNam e Frequency[MHz ] RefLevel[dBm ] Result[dBm ] Limit[dBm ] Verdic t BLE_1M Ant1 Low 2402 0.12 -39.76 ≤-19.88 PASS BLE_1M Ant1 High 2480 1.16 -39.79 ≤-18.84 PASS BLE_2M Ant1 Low 2402 -0.78 -34.09 ≤-20.78 PASS BLE_2M Ant1 High 2480 0.14 -38.47 ≤-19.86 PASS Page 18 of 25 Report No. ESTE-R2509146 Test Graphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2480-PASS BLE_2M-Ant1-2402-PASS Page 19 of 25 Report No. ESTE-R2509146 BLE_2M-Ant1-2480-PASS Page 20 of 25 Report No. ESTE-R2509146 Appendix F: Conducted Spurious Emission Test Result TestMode Antenna Frequency[MHz] FreqRange [MHz] RefLevel [dBm] Result[dBm] Limit[dBm] Verdict BLE_1M Ant1 2402 30~26500 0.12 -42.1 ≤-19.88 PASS BLE_1M Ant1 2440 30~26500 0.67 -42.29 ≤-19.33 PASS BLE_1M Ant1 2480 30~26500 1.16 -42.29 ≤-18.84 PASS BLE_2M Ant1 2402 30~26500 -0.78 -42.34 ≤-20.78 PASS BLE_2M Ant1 2440 30~26500 -0.34 -42.23 ≤-20.34 PASS BLE_2M Ant1 2480 30~26500 0.14 -41.97 ≤-19.86 PASS Page 21 of 25 Report No. ESTE-R2509146 Test Graphs BLE_1M-Ant1-2402-30~26500-PASS BLE_1M-Ant1-2440-30~26500-PASS BLE_1M-Ant1-2480-30~26500-PASS Page 22 of 25 Report No. ESTE-R2509146 BLE_2M-Ant1-2402-30~26500-PASS BLE_2M-Ant1-2440-30~26500-PASS Page 23 of 25 Report No. ESTE-R2509146 BLE_2M-Ant1-2480-30~26500-PASS Page 24 of 25 Report No. ESTE-R2509146 Appendix G: Duty Cycle Test Result TestMode Antenna Frequency[MHz] ON Time [ms] Period [ms] Duty Cycle [%] Duty Cycle Factor[dB] BLE_1M Ant1 2440 2.13 2.50 85.20 0.70 BLE_2M Ant1 2440 1.08 2.49 43.37 3.63 Page 25 of 25 Report No. ESTE-R2509146 Test Graphs NTNV-BLE_1M-Ant1-2440 NTNV-BLE_2M-Ant1-2440

Radiated emission test: Below 1GHz Radiated emission test: Above 1GHz Conducted emission test: