2BEN9-STSmart Handheld Printer

Declaration of Conformity FCC Statement 1. 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. (2)This device must accept any interferencereceived, including interference that may cause undesired operation. 2. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in. accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. if this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to 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 from that to which the receiveris connected. ∑ Consult the dealer or an experienced radio/TV technician for help. The device has been evaluated to meet general RF exposure requirement. The device canbe used in portable exposure condition without restriction. 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

Report No.: BTL-FCC SAR-1-2607C254_Appendix A. Page 1 of 1 Test Laboratory: BTL Inc. (Dongguan) Date: 2026/8/12 System Check_H2450_0812 DUT: Dipole 2450 MHz D2450V2;SN:919; Communication System: UID 0, CW (0); Frequency: 2450 MHz; Duty Cycle: 1:1 Medium parameters used : f = 2450 MHz; σ = 1.873 S/m; ε r = 38.568; ρ = 1000 kg/m 3 Ambient Temperature：22.3 °C; Liquid Temperature：22.1 °C DASY Configuration: • Probe:EX3DV4-SN7693;ConvF(7.29,7.14,7.75) @ 2450 MHz; Calibrated: 2025/11/26 • Sensor-Surface: 1.4mm (Mechanical Surface Detection), z = 1.0, 31.0 • Electronics: DAE4 Sn1390; Calibrated: 2025/11/19 • Phantom: ELI V5.0 (20deg probe tilt); Type: QD OVA 002 Ax; Serial: 1222 • DASY52 52.10.4(1535); SEMCAD X 14.6.14(7501) Area Scan (8x9x1): Measurement grid: dx=12mm, dy=12mm Maximum value of SAR (measured) = 5.84 W/kg Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 71.19 V/m; Power Drift = -0.05 dB Peak SAR (extrapolated) = 10.3 W/kg SAR(1 g) = 5.17 W/kg; SAR(10 g) = 2.41 W/kg Smallest distance from peaks to all points 3 dB below = 9.6 mm Ratio of SAR at M2 to SAR at M1 = 49.1% Maximum value of SAR (measured) = 8.57 W/kg

Setup Photographs AC Power Line Conducted Emission Radiated Band edge and Spurious Emission Page 2 of 2

OA-W01Specification Document GuangzhouCambrianElectronicTechnologyCo.,Ltd. OA-W01_V02 1 SMDAntennaSpecificationDocument ® OverAirSMDAntennaSeries ComplieswithRoHSstandards PN:OA-W01 2.4G/5GWIFIFrequencyBandAntenna OA-W01Specification Document GuangzhouCambrianElectronicTechnologyCo.,Ltd. OA-W01_V02 2 Characteristic 1. 3 AcompactSMDsurface-mountantennawithdimensionsofonly8.0×3.0×1.0mm. 2.Lowenergylossandhighantennaefficiency. 3.Itexhibitshighstabilityundervariationsintemperatureandhumidity. Apply 1.Antennaapplicationsforthe2.4G/5GWi-Fifrequencybands. 2.Otherapplicationsincludeantennasoperatinginthe2.4GHzor5GHzfrequencybands. Structure 1、Antennasignalfeedterminal 2、Fixedendoftheantenna afterwelding 3、AntennaPowerSupplySide Label size threeviews symbol size（mm） L8.0±0.1 w 3.0±0.1 T1.0±0.1 a0.6±0.1 OA-W01Specification Document GuangzhouCambrianElectronicTechnologyCo.,Ltd. OA-W01_V02 3 ElectricalCharacter OA-W01Specification WorkingFrequencyRangeWorkingFrequency 2400-2500MHz，5200-6000MHz Impedance 50Ω Gain(dBi) 5.5dBi（2.45GHz），3.5dBi（5.5Ghz） StandingWaveRatio(VSWR) <2 WorkingTemperature -40°C~+85°C PowerCapacity 3W Theantennaoperatingfrequencymustbeachievedthroughdebuggingwithimpedancematchingcomponents. AntennaPadandTraceDesign PCB原理图 PCB设计尺寸图 OA-W01Specification Document GuangzhouCambrianElectronicTechnologyCo.,Ltd. OA-W01_V02 4 MatchedDeviceValue Series1SeriesofConnected Devices Resistance:0Ω ShuntDevice1(Parallel) VacancyNC Series2SeriesofConnected Devices Resistance:0Ω Antennatestingonthetestboard(boardthickness:1.0mm) OA-W01Specification Document GuangzhouCambrianElectronicTechnologyCo.,Ltd. OA-W01_V02 5 AntennaS11Characteristics AntennaVSWRCharacteristics OA-W01Specification Document GuangzhouCambrianElectronicTechnologyCo.,Ltd. OA-W01_V02 6 EfficiencyandRadiationDiagram Performanceparameterssuchasefficiency,radiationpattern,andgainwerederivedfromthetestboarddesign. ThespecificationcharacteristictestdatafortheOA-W01antennawereobtainedbasedonthedimensionsofthe testPCBandthetestingorientationshowninthefigurebelow.AllmeasurementswerecompletedinanETS3D microwaveanechoicchamber. + GainandEfficiency Bandwidth:2.4GHz–2.5GHz Bandwidth:5.2–5.8GHz PeakGain 6.1dBi3.67dBi Averagegainwithintheband AverageGainacrosstheband 5.7dBi2.63dBi Bandgainrange GainRangeacrosstheband 5.5dBi~6.1dBi1.33dBi~3.67dBi PeakEfficiency 82.5%62.4% Averageefficiencywithintheband AverageEfficiencyacrosstheband 79%51% BandInternalEfficiencyRange EfficiencyRangeacrosstheband 74.8%~82.5%30.77%~62.4% Z Y X OA-W01Specification Document GuangzhouCambrianElectronicTechnologyCo.,Ltd. OA-W01_V02 7 Theta @2.45 GHz Phi @2.45 GHz Total @2.45 GHz Theta @5.5 GHz OA-W01Specification Document GuangzhouCambrianElectronicTechnologyCo.,Ltd. OA-W01_V02 8 Phi @5.5 GHz Total @5.5 GHz WeldingCondition Thetypicalreliableandnon-destructiveweldingspecificationisshowninthefigurebelow: OA-W01Specification Document GuangzhouCambrianElectronicTechnologyCo.,Ltd. OA-W01_V02 9 Pack PlasticCarrierSpecifications(Unit:Mm) IndexAoBoKoTW Dimension(mm)3.3±0.18.4±0.11.3±0.10.3±0.0516.0±0.3 IndexEFPP0P2 Dimension(mm)1.75±0.17.0±0.18.0±0.14.0±0.12.0±0.1 SpoolSize OA-W01Specification Document GuangzhouCambrianElectronicTechnologyCo.,Ltd. OA-W01_V02 1 IndexABC Dimension(mm)33010013.5 Standardquantity:2000PCSperdisc. StorageEnvironment Productsmustmeetthefollowingstorageconditions: Materialstoragetemperature:-10°Cto+40°C(nottheantennaoperatingtemperature) Materialtraystoragehumidity:30%to70%relativehumidity(nottheantennaoperating humidity) Theproductshouldbestoredawayfromcorrosivegasessuchassulfur.Chlorineoracidsmay causeoxidationoftheproductelectrodes,leadingtoreducedweldability. Theproductshouldbestoredinatoolboxandprotectedfrommoistureanddust. Theproductshallbestoredinawarehouseandprotectedfromheat,vibration,anddirect sunlight. Theproductshouldbestoredundersealedconditions.

Appendix A Duty Cycle Condition Mode Frequency (MHz) Antenna Duty Cycle (%) Correction Factor (dB) 1/T (kHz) NVNT b 2412 Ant1 98.18 0.08 0.12 NVNT b 2437 Ant1 98.17 0.08 0.12 NVNT b 2462 Ant1 98.12 0.08 0.12 NVNT g 2412 Ant1 20.09 6.97 0.72 NVNT g 2437 Ant1 20.04 6.98 0.72 NVNT g 2462 Ant1 20.04 6.98 0.72 NVNT n20 2412 Ant1 20.08 6.97 0.77 NVNT n20 2437 Ant1 20.04 6.98 0.77 NVNT n20 2462 Ant1 20.08 6.97 0.77 NVNT n40 2422 Ant1 47.96 3.19 0.41 NVNT n40 2437 Ant1 48.07 3.18 0.41 NVNT n40 2452 Ant1 47.98 3.19 0.41 2 / 51 Duty Cycle NVNT b 2412MHz Ant1 Duty Cycle NVNT b 2437MHz Ant1 3 / 51 Duty Cycle NVNT b 2462MHz Ant1 Duty Cycle NVNT g 2412MHz Ant1 4 / 51 Duty Cycle NVNT g 2437MHz Ant1 Duty Cycle NVNT g 2462MHz Ant1 5 / 51 Duty Cycle NVNT n20 2412MHz Ant1 Duty Cycle NVNT n20 2437MHz Ant1 6 / 51 Duty Cycle NVNT n20 2462MHz Ant1 Duty Cycle NVNT n40 2422MHz Ant1 7 / 51 Duty Cycle NVNT n40 2437MHz Ant1 Duty Cycle NVNT n40 2452MHz Ant1 8 / 51 Maximum Average Conducted Output Power Condition Mode Frequency (MHz) Antenna Conducted Power (dBm) Conducted Power (W) Limit Conducted(dBm) Verdict NVNT b 2412 Ant1 14.56 0.02858 29.9 Pass NVNT b 2437 Ant1 14.34 0.02716 29.9 Pass NVNT b 2462 Ant1 15.12 0.03251 29.9 Pass NVNT g 2412 Ant1 13.64 0.02312 29.9 Pass NVNT g 2437 Ant1 13.27 0.02123 29.9 Pass NVNT g 2462 Ant1 13.82 0.0241 29.9 Pass NVNT n20 2412 Ant1 13.23 0.02104 29.9 Pass NVNT n20 2437 Ant1 13.48 0.02228 29.9 Pass NVNT n20 2462 Ant1 14.01 0.02518 29.9 Pass NVNT n40 2422 Ant1 10.07 0.01016 29.9 Pass NVNT n40 2437 Ant1 10.17 0.0104 29.9 Pass NVNT n40 2452 Ant1 11.03 0.01268 29.9 Pass 9 / 51 -6dB Bandwidth Condition Mode Frequency (MHz) Antenna -6 dB Bandwidth (MHz) Limit -6 dB Bandwidth (MHz) Verdict NVNT b 2412 Ant1 10.08 0.5 Pass NVNT b 2437 Ant1 10.09 0.5 Pass NVNT b 2462 Ant1 10.09 0.5 Pass NVNT g 2412 Ant1 16.17 0.5 Pass NVNT g 2437 Ant1 16.23 0.5 Pass NVNT g 2462 Ant1 16.23 0.5 Pass NVNT n20 2412 Ant1 17.08 0.5 Pass NVNT n20 2437 Ant1 17.34 0.5 Pass NVNT n20 2462 Ant1 17.26 0.5 Pass NVNT n40 2422 Ant1 35.82 0.5 Pass NVNT n40 2437 Ant1 35.66 0.5 Pass NVNT n40 2452 Ant1 35.74 0.5 Pass 10 / 51 -6dB Bandwidth NVNT b 2412MHz Ant1 -6dB Bandwidth NVNT b 2437MHz Ant1 11 / 51 -6dB Bandwidth NVNT b 2462MHz Ant1 -6dB Bandwidth NVNT g 2412MHz Ant1 12 / 51 -6dB Bandwidth NVNT g 2437MHz Ant1 -6dB Bandwidth NVNT g 2462MHz Ant1 13 / 51 -6dB Bandwidth NVNT n20 2412MHz Ant1 -6dB Bandwidth NVNT n20 2437MHz Ant1 14 / 51 -6dB Bandwidth NVNT n20 2462MHz Ant1 -6dB Bandwidth NVNT n40 2422MHz Ant1 15 / 51 -6dB Bandwidth NVNT n40 2437MHz Ant1 -6dB Bandwidth NVNT n40 2452MHz Ant1 16 / 51 Occupied Channel Bandwidth Condition Mode Frequency (MHz) Antenna 99% OBW (MHz) NVNT b 2412 Ant1 14.319 NVNT b 2437 Ant1 14.322 NVNT b 2462 Ant1 14.354 NVNT g 2412 Ant1 16.327 NVNT g 2437 Ant1 16.343 NVNT g 2462 Ant1 16.333 NVNT n20 2412 Ant1 17.348 NVNT n20 2437 Ant1 17.372 NVNT n20 2462 Ant1 17.345 NVNT n40 2422 Ant1 35.807 NVNT n40 2437 Ant1 35.777 NVNT n40 2452 Ant1 35.749 17 / 51 OBW NVNT b 2412MHz Ant1 OBW NVNT b 2437MHz Ant1 18 / 51 OBW NVNT b 2462MHz Ant1 OBW NVNT g 2412MHz Ant1 19 / 51 OBW NVNT g 2437MHz Ant1 OBW NVNT g 2462MHz Ant1 20 / 51 OBW NVNT n20 2412MHz Ant1 OBW NVNT n20 2437MHz Ant1 21 / 51 OBW NVNT n20 2462MHz Ant1 OBW NVNT n40 2422MHz Ant1 22 / 51 OBW NVNT n40 2437MHz Ant1 OBW NVNT n40 2452MHz Ant1 23 / 51 Maximum Power Spectral Density Level Condition Mode Frequency (MHz) Antenna Conducted PSD (dBm/3kHz) Duty Factor (dB) Total PSD (dBm/3kHz) Limit (dBm/3kHz) Verdict NVNT b 2412 Ant1 -17.44 0.08 -17.36 7.9 Pass NVNT b 2437 Ant1 -18.04 0.08 -17.96 7.9 Pass NVNT b 2462 Ant1 -17.32 0.08 -17.24 7.9 Pass NVNT g 2412 Ant1 -25.74 6.97 -18.77 7.9 Pass NVNT g 2437 Ant1 -26.57 6.98 -19.59 7.9 Pass NVNT g 2462 Ant1 -25.46 6.98 -18.48 7.9 Pass NVNT n20 2412 Ant1 -26.12 6.97 -19.15 7.9 Pass NVNT n20 2437 Ant1 -26.7 6.98 -19.72 7.9 Pass NVNT n20 2462 Ant1 -25.36 6.97 -18.39 7.9 Pass NVNT n40 2422 Ant1 -30.14 3.19 -26.95 7.9 Pass NVNT n40 2437 Ant1 -30.11 3.18 -26.93 7.9 Pass NVNT n40 2452 Ant1 -29.33 3.19 -26.14 7.9 Pass 24 / 51 PSD NVNT b 2412MHz Ant1 PSD NVNT b 2437MHz Ant1 25 / 51 PSD NVNT b 2462MHz Ant1 PSD NVNT g 2412MHz Ant1 26 / 51 PSD NVNT g 2437MHz Ant1 PSD NVNT g 2462MHz Ant1 27 / 51 PSD NVNT n20 2412MHz Ant1 PSD NVNT n20 2437MHz Ant1 28 / 51 PSD NVNT n20 2462MHz Ant1 PSD NVNT n40 2422MHz Ant1 29 / 51 PSD NVNT n40 2437MHz Ant1 PSD NVNT n40 2452MHz Ant1 30 / 51 Band Edge Condition Mode Frequency (MHz) Antenna Max Value (dBc) Limit (dBc) Verdict NVNT b 2412 Ant1 -44.67 -30 Pass NVNT b 2462 Ant1 -53.93 -30 Pass NVNT g 2412 Ant1 -40.75 -30 Pass NVNT g 2462 Ant1 -50.4 -30 Pass NVNT n20 2412 Ant1 -39.5 -30 Pass NVNT n20 2462 Ant1 -51.08 -30 Pass NVNT n40 2422 Ant1 -39.88 -30 Pass NVNT n40 2452 Ant1 -42.6 -30 Pass 31 / 51 Band Edge NVNT b 2412MHz Ant1 Ref Band Edge NVNT b 2412MHz Ant1 Emission 32 / 51 Band Edge NVNT b 2462MHz Ant1 Ref Band Edge NVNT b 2462MHz Ant1 Emission 33 / 51 Band Edge NVNT g 2412MHz Ant1 Ref Band Edge NVNT g 2412MHz Ant1 Emission 34 / 51 Band Edge NVNT g 2462MHz Ant1 Ref Band Edge NVNT g 2462MHz Ant1 Emission 35 / 51 Band Edge NVNT n20 2412MHz Ant1 Ref Band Edge NVNT n20 2412MHz Ant1 Emission 36 / 51 Band Edge NVNT n20 2462MHz Ant1 Ref Band Edge NVNT n20 2462MHz Ant1 Emission 37 / 51 Band Edge NVNT n40 2422MHz Ant1 Ref Band Edge NVNT n40 2422MHz Ant1 Emission 38 / 51 Band Edge NVNT n40 2452MHz Ant1 Ref Band Edge NVNT n40 2452MHz Ant1 Emission 39 / 51 Conducted RF Spurious Emission Condition Mode Frequency (MHz) Antenna Max Value (dBc) Limit (dBc) Verdict NVNT b 2412 Ant1 -45.84 -30 Pass NVNT b 2437 Ant1 -45.4 -30 Pass NVNT b 2462 Ant1 -46.31 -30 Pass NVNT g 2412 Ant1 -42.17 -30 Pass NVNT g 2437 Ant1 -42.08 -30 Pass NVNT g 2462 Ant1 -42.96 -30 Pass NVNT n20 2412 Ant1 -43.15 -30 Pass NVNT n20 2437 Ant1 -42.8 -30 Pass NVNT n20 2462 Ant1 -43.23 -30 Pass NVNT n40 2422 Ant1 -36.69 -30 Pass NVNT n40 2437 Ant1 -36.02 -30 Pass NVNT n40 2452 Ant1 -36.63 -30 Pass 40 / 51 Tx. Spurious NVNT b 2412MHz Ant1 Ref Tx. Sp…

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TRF No.: 04-E001-0B TRF Originator: GTG TRF Date: 2023-12-13 Web: www.gtggroup.com E-mail: [email protected] Tel.: 86-400 755 8988 CFR 47 FCC PART 15 SUBPART C(DTS) TEST REPORT For Smart Handheld Printer MODEL NUMBER: ST-1 REPORT NUMBER: E04A26041038F00501 ISSUE DATE: July 06, 2026 FCC ID: 2BEN9-ST Prepared for Shenzhen Eve-Innovations Technology Co., Ltd. Rm 802, Jinqi Zhigu Building, No.1 Tangling Road, Taoyuan Street, Nanshan District, Shenzhen, China Prepared by Guangdong Global Testing Technology Co., Ltd. Room 101-105, 203-210, Building 1, No.2, Keji 8 Road, Songshan Lake Park, Dongguan city, Guangdong, People’s Republic of China, 523808 This report is based on a single evaluation of the submitted sample(s) of the above mentioned product, it does not imply an assessment of the production of the products. This report shall not be reproduced, except in full, without the written approval of Guangdong Global Testing Technology Co., Ltd. REPORT NO.: E04A26041038F00501 Page 2 of 46 TRF No.: 04-E001-0B Global Testing , Great Quality. Revision History Rev. Issue Date Revisions Revised By V0 July 06, 2026 Initial Issue REPORT NO.: E04A26041038F00501 Page 3 of 46 TRF No.: 04-E001-0B Global Testing , Great Quality. Summary of Test Results Test Item Clause Limit/Requirement Result Antenna Requirement N/A FCC Part 15.203/15.247 (c) Pass AC Power Line Conducted Emission ANSI C63.10-2020, Clause 6.2 FCC Part 15.207 Pass Conducted Output Power ANSI C63.10-2020, Clause 11.9.1.3 FCC Part 15.247 (b)(3) Pass 6dB Bandwidth and 99% Occupied Bandwidth ANSI C63.10-2020, Clause 11.8.1 FCC Part 15.247 (a)(2) Pass Power Spectral Density ANSI C63.10-2020, Clause 11.10.2 FCC Part 15.247 (e) Pass Conducted Band edge and spurious emission ANSI C63.10-2020, Clause 11.11 FCC Part 15.247(d) Pass Radiated Band edge and Spurious Emission ANSI C63.10-2020, Clause 11.11 & Clause 11.12 FCC Part 15.205/15.209 Pass Duty Cycle ANSI C63.10-2020, Clause 11.6 None; for reporting purposes only. Pass *This test report is only published to and used by the applicant, and it is not for evidence purpose in China. *The measurement result for the sample received is <Pass> according to <CFR 47 FCC PART 15 SUBPART C(DTS)> when <Accuracy Method> decision rule is applied. REPORT NO.: E04A26041038F00501 Page 4 of 46 TRF No.: 04-E001-0B Global Testing , Great Quality. CONTENTS 1. ATTESTATION OF TEST RESULTS ..................................................................................... 5 2. TEST METHODOLOGY ......................................................................................................... 6 3. FACILITIES AND ACCREDITATION ..................................................................................... 6 4. CALIBRATION AND UNCERTAINTY ................................................................................... 7 4.1. MEASURING INSTRUMENT CALIBRATION ........................................................... 7 4.2. MEASUREMENT UNCERTAINTY ............................................................................ 7 5. EQUIPMENT UNDER TEST .................................................................................................. 8 5.1. DESCRIPTION OF EUT ........................................................................................... 8 5.2. CHANNEL LIST ........................................................................................................ 9 5.3. Maximum Peak Output Power ................................................................................... 9 5.4. TEST CHANNEL CONFIGURATION ........................................................................ 9 5.5. THE WORSE CASE POWER SETTING PARAMETER .......................................... 10 5.6. DESCRIPTION OF AVAILABLE ANTENNAS ......................................................... 10 5.7. SUPPORT UNITS FOR SYSTEM TEST ................................................................. 11 5.8. SETUP DIAGRAM .................................................................................................. 11 6. MEASURING EQUIPMENT AND SOFTWARE USED......................................................... 12 7. ANTENNA PORT TEST RESULTS ..................................................................................... 14 7.1. Conducted Output Power ........................................................................................ 14 7.2. 6dB Bandwidth ........................................................................................................ 15 7.3. Power Spectral Density ........................................................................................... 17 7.4. Conducted Band edge and spurious emission ........................................................ 18 7.5. Duty Cycle .............................................................................................................. 20 8. RADIATED TEST RESULTS ............................................................................................... 21 8.1. Radiated Band edge and Spurious Emission .......................................................... 26 9. ANTENNA REQUIREMENT ................................................................................................ 42 10. AC POWER LINE CONDUCTED EMISSION ......................................................... 43 REPORT NO.: E04A26041038F00501 Page 5 of 46 TRF No.: 04-E001-0B Global Testing , Great Quality. 1. ATTESTATION OF TEST RESULTS Applicant Information Company Name: Shenzhen Eve-Innovations Technology Co., Ltd. Address: Rm 802, Jinqi Zhigu Building, No.1 Tangling Road, Taoyuan Street, Nanshan District, Shenzhen, China Manufacturer Information Company Name: Shenzhen Eve-Innovations Technology Co., Ltd. Address: Rm 802, Jinqi Zhigu Building, No.1 Tangling Road, Taoyuan Street, Nanshan District, Shenzhen, China EUT Information Product Description: Smart Handheld Printer Model: ST-1 Series Model: / Brand: EVEBOT Sample Received Date: May 20, 2026 Sample…

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Report No.: BTL-FCC SAR-1-2607C254_Appendix D. Page 1 of 2 Appendix D. Photographs of the Test Set-Up Photo 1: Front Side_0mm Photo 2: Back Side_0mm Photo 3: Left Side_0mm Photo 4: Right Side_0mm Photo 5: Top Side_0mm Photo 6: Bottom Side_0mm Report No.: BTL-FCC SAR-1-2607C254_Appendix D. Page 2 of 2 Photo 7: EUT Photo_Front View Photo 8: EUT Photo_Back View

Dipole Internal Calibration Record Asset No.： E-434 Model No.： D2450V2 Serial No.： 919 Environmental 22.5°C, 57 % Original Cal.Date： April 22, 2024 Next Cal. Date： April 22, 2027 Standard List 1 IEC/IEEE 62209-1528:2020 Measurement Procedure For The Assessment Of Specific Absorption Rate Of Human Exposure To Radio Frequency Fields From Hand-Held And Body-Worn Wireless Communication Devices - Part 1528:Human Models,Instrumentation And Procedures(Frequency Range of 4 MHz to 10GHz） 2KDB865664SAR Measurement Requirements for 100 MHz to 6 GHz Equipment Information Equipment：Manufacturer：Model No.：Serial No.：Cal.Organization：Cal. Date： Power AmplifierMini-CircuitsZHL-42W+QA1333003N/A June 29, 2024 DC Source metterlteckIT6154006104126768201001N/A June 29, 2024 Vector Network Analyze AgilentE5071CMY46102965N/A January 11, 2025 Signal GeneratorAgilentN5172BMY53050758N/A January 11, 2025 Smart Power SensorR&SNRP18S101333N/A June 1, 2024 Dielectric Assessment SpeagDAK-3.51226N/A January 20, 2025 Directional CouplerWokenTS-PCC0M-050107090019N/A January 11, 2025 CouplerWoken0110A05601O-10COM5BNW1A2N/A January 12, 2025 Liquid ThermometerNscing EsYZ6021S/N/A November 24, 2024 Model NoFor Head Tissue D2450V2 ItemOriginal Cal. Result Verified on 2025/4/15DeviationResult Impedance, transformed to feed point 55.3Ω+1.3jΩ55.09Ω+3.27Ω<5ΩPass Return Loss(dB)-25.7-25.444-1.0%Pass SAR Value for 1g(mW/g)13.612.7-6.6%Pass SAR Value for 10g(mW/g) 6.35.97-5.2%Pass Impedance Test-HeadReturn Loss-Head Validation Report for Head TSL Calibrator:Approver: Dipole Internal Calibration Record Asset No.： E-434 Model No.： D2450V2 Serial No.： 919 Environmental 22.8°C, 55 % Original Cal.Date： April 22, 2024 Next Cal. Date： April 22, 2027 Standard List 1 IEC/IEEE 62209-1528:2020 Measurement Procedure For The Assessment Of Specific Absorption Rate Of Human Exposure To Radio Frequency Fields From Hand-Held And Body-Worn Wireless Communication Devices - Part 1528:Human Models,Instrumentation And Procedures(Frequency Range of 4 MHz to 10GHz） 2KDB865664SAR Measurement Requirements for 100 MHz to 6 GHz Equipment Information Equipment：Manufacturer：Model No.：Serial No.：Cal.Organization：Cal. Date： Power AmplifierMini-CircuitsZHL-42W+QA1333003N/A May 29, 2025 DC Source metterlteckIT6154006104126768201001N/A May 29, 2025 Vector Network Analyze AgilentE5071CMY46102965N/A December 20, 2025 Signal GeneratorAgilentN5172BMY53050758N/A December 20, 2025 Smart Power SensorR&SNRP18S101333N/A May 29, 2025 Dielectric Assessment SpeagDAK-3.51226N/A February 19, 2026 Directional CouplerWokenTS-PCC0M-050107090019N/A December 20, 2025 CouplerWoken0110A05601O-10COM5BNW1A2N/A December 20, 2025 Liquid ThermometerNscing EsYZ6021S/N/A November 13, 2025 Model NoFor Head Tissue D2450V2 ItemOriginal Cal. Result Verified on 2026/4/15DeviationResult Impedance, transformed to feed point 55.3Ω+1.3jΩ55.8Ω+1.7jΩ<5ΩPass Return Loss(dB)-25.7-25.4-1.2%Pass SAR Value for 1g(mW/g)13.612.9-5.1%Pass SAR Value for 10g(mW/g) 6.35.87-6.8%Pass Impedance Test-HeadReturn Loss-Head Validation Report for Head TSL Calibrator:Approver:

Report No.: BTL-FCC SAR-1-2607C254_Appendix B. Page 1 of 1 Test Laboratory: BTL Inc. (Dongguan) Date: 2026/8/12 W07_WiFi 2.4G_802.11b_CH1_Left Side_0mm DUT: Test sample; Communication System: UID 10012 - CAB, IEEE 802.11b WiFi 2.4 GHz (DSSS, 1 Mbps); Frequency: 2412 MHz; Duty Cycle: 1:1 Medium parameters used : f = 2412 MHz; σ = 1.831 S/m; ε r = 38.734; ρ = 1000 kg/m 3 Ambient Temperature：22.3 °C; Liquid Temperature：22.1 °C DASY Configuration: • Probe:EX3DV4-SN7693;ConvF(7.29,7.14,7.75) @ 2412 MHz; Calibrated: 2025/11/26 • Sensor-Surface: 1.4mm (Mechanical Surface Detection), z = 1.0, 31.0 • Electronics: DAE4 Sn1390; Calibrated: 2025/11/19 • Phantom: ELI V5.0 (20deg probe tilt); Type: QD OVA 002 Ax; Serial: 1222 • DASY52 52.10.4(1535); SEMCAD X 14.6.14(7501) Area Scan (19x19x1): Measurement grid: dx=12mm, dy=12mm Maximum value of SAR (measured) = 1.38 W/kg Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 2.765 V/m; Power Drift = 0 dB Peak SAR (extrapolated) = 2.15 W/kg SAR(1 g) = 1.07 W/kg; SAR(10 g) = 0.487 W/kg Smallest distance from peaks to all points 3 dB below = 9.4 mm Ratio of SAR at M2 to SAR at M1 = 50.2% Maximum value of SAR (measured) = 1.71 W/kg

Report No.: BTL-FCC SAR-1-2607C254 Report Version: R01 Page 1 of 24 FCC SAR Test Report FCC ID: 2BEN9-ST Project No. : 2607C254 Equipment : Smart Handheld Printer Brand Name : EVEBOT Model Name : ST-1 Date of Receipt : Jul. 27, 2026 Date of Test : Jul. 27, 2026 ~ Aug. 12, 2026 Issued Date : Aug. 26, 2026 Test Sample : Engineering Sample No.: DG920260727148 Standard(s) : Please refer to page 2. Applicant : Shenzhen Eve-Innovations Technology Co., Ltd. Address : Rm 802, Jinqi Zhigu Building, No.1 Tangling Road, Taoyuan Street, Nanshan District, Shenzhen, China Manufacturer : Shenzhen Eve-Innovations Technology Co., Ltd. Address : Rm 802, Jinqi Zhigu Building, No.1 Tangling Road, Taoyuan Street, Nanshan District, Shenzhen, China Factory : Shenzhen Eve-Innovations Technology Co., Ltd. Address : Rm 802, Jinqi Zhigu Building, No.1 Tangling Road, Taoyuan Street, Nanshan District, Shenzhen, China The above equipment has been tested and found compliance with the requirement of the relative standards by BTL Inc. (Dongguan). Prepared by : Justin Huang Approved by : Herbort Liu No.3, Jinshagang 1st Road, Dalang, Dongguan, Guangdong People’s Republic of China. Te l : + 8 6-769-8318-3000 Web: www.newbtl.com Service mail: [email protected] Report No.: BTL-FCC SAR-1-2607C254 Report Version: R01 Page 2 of 24 Standard(s) : IEEE Std C95.1:2019 IEEE Standard for Safety Levels with Respect to Human Exposure to Electric, Magnetic, and Electromagnetic Fields, 0 kHz to 300 GHz IEEE Std 1528 TM -2013 lEEE Recommended Practice for Determining the Peak Spatial- Average Specific Absorption Rate (SAR) in the Human Head from Wireless Communications Devices: Measurement Techniques KDB447498 D01 General RF Exposure Guidance v06 KDB865664 D01 SAR measurement 100 MHz to 6 GHz v01r04 Test method : KDB865664 D02 SAR Reporting v01r02 KDB248227 D01 802.11 Wi-Fi SAR v02r02 KDB690783 D01 SAR Listings on Grants v01r03 Report No.: BTL-FCC SAR-1-2607C254 Report Version: R01 Page 3 of 24 Declaration BTL represents to the client that testing is done in accordance with standard procedures as applicable and that test instruments used has been calibrated with standards traceable to international standard(s) and/or national standard(s). BTL's reports apply only to the specific samples tested under conditions. It is manufacturer’s responsibility to ensure that additional production units of this model are manufactured with the identical electrical and mechanical components. BTL assumes no responsibility for the data provided by the customer, any statements, inferences or generalizations drawn by the customer or others from the reports issued by BTL. The report must not be used by the client to claim product certification, approval, or endorsement by A2LA or any agency of the U.S. Government. This report is the confidential property of the client. As a mutual protection to the clients, the public and ourselves, the test report shall not be reproduced, except in full, without our written approval. BTL’s laboratory quality assurance procedures are in compliance with the ISO/IEC 17025: 2017 requirements, and accredited by the conformity assessment authorities listed in this test report. BTL is not responsible for the sampling stage, so the results only apply to the sample as received. The information, data and test plan are provided by manufacturer which may affect the validity of results, so it is manufacturer’s responsibility to ensure that the apparatus meets the essential requirements of applied standards and in all the possible configurations as representative of its intended use. Limitation For the use of the authority's logo is limited unless the Test Standard(s)/Scope(s)/Item(s) mentioned in this test report is (are) included in the conformity assessment authorities acceptance respective. Please note that the measurement uncertainty is provided for informational purpose only and are not use in determining the Pass/Fail results. Report No.: BTL-FCC SAR-1-2607C254 Report Version: R01 Page 4 of 24 Table of Contents Page REVISION HISTORY 6 1 . GENERAL INFORMATION 7 1.1 STATEMENT OF COMPLIANCE 7 1.2 LABORATORY ENVIRONMENT 7 1.3 GENERAL DESCRIPTION OF EUT 7 1.4 MAIN TEST INSTRUMENTS 8 2 . RF EMISSIONS MEASUREMENT 9 2.1 TEST FACILITY 9 2.2 MEASUREMENT UNCERTAINTY 9 3 . SAR MEASUREMENTS SYSTEM CONFIGURATION 10 3.1 SAR MEASUREMENT SET-UP 10 3.1.1 TEST SETUP LAYOUT 10 3.2 DASY E-FIELD PROBE SYSTEM 11 3.2.1 PROBE SPECIFICATION 11 3.2.2 E-FIELD PROBE CALIBRATION 12 3.2.3 OTHER TEST EQUIPMENT 13 3.2.4 SCANNING PROCEDURE 14 4 . SYSTEM VERIFICATION PROCEDURE 16 4.1 TISSUE VERIFICATION 16 4.2 SYSTEM CHECK 17 4.3 SYSTEM CHECK PROCEDURE 17 5 . OPERATIONAL CONDITIONS DURING TEST 18 5.1 SAR TEST CONFIGURATION 18 5.1.1 WIFI TEST CONFIGURATION 18 5.2 TEST POSITION 19 5.2.1 TEST CONFIGURATION 19 6 . TEST RESULT 20 6.1 CONDUCTED POWER RESULTS 20 6.1.1 CONDUCTED POWER MEASUREMENT RESULTS OF WIFI 2.4G 20 6.2 SAR TEST RESULTS 21 6.2.1 SAR MEASUREMENT RESULT OF LIMBS 21 6.3 MULTIPLE TRANSMITTER EVALUATION 22 APPENDIX 23 1. TEST LAYOUT 23 Report No.: BTL-FCC SAR-1-2607C254 Report Version: R01 Page 5 of 24 Table of Contents Page Appendix A. SAR Plots of System Verification Appendix B. SAR Plots of SAR Measurement Appendix C. Calibration Certificate Appendix D. Photographs of the Test Set-Up Report No.: BTL-FCC SAR-1-2607C254 Report Version: R01 Page 6 of 24 REVISION HISTORY Report No. Version Description Issued Date Note BTL-FCC SAR-1-2607C254 R00 Original Report. Aug. 21, 2026 Invalid BTL-FCC SAR-1-2607C254 R01 This report has changes as following: 1. Modified the antenna gain in page 7. 2. Updated the description of scan parameters in page 14-15. lt is a revision of the report BTL-FCC SAR-1-2607C254 R00. This is a newly released report, replacing the BTL-FCC SAR-1-2607C254 R00 report. Aug. 26, 2026 Valid Report No.: BTL-FCC SAR-1-2607C254 Report Version: R01 Page 7 of 24 1. GENERAL INFORMATION 1.1 STATEMENT OF COMPLIANCE Mode Highest Reported Limbs SAR-10g (W/…

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Internal Photographs Internal View of EUT-1 Internal View of EUT-2 Page 2 of 6 Internal View of EUT-3 Internal View of EUT-4 Page 3 of 6 Internal View of EUT-5 Internal View of EUT-6 Page 4 of 6 Internal View of EUT-7 Internal View of EUT-8 Page 5 of 6 Internal View of EUT-9 Internal View of EUT-10 Antenna Page 6 of 6 Internal View of EUT-11 Internal View of EUT-12

45mm x 24mm F CC ID: 2BEN9-ST

External Photographs View of EUT-1 View of EUT-2 Page 2 of 4 View of EUT-3 View of EUT-4 Page 3 of 4 View of EUT-5…

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