Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
ShenzhenEarainAutomationEquipmentCo.,Ltd. Rev2026-04-24 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:07-28-2026 Ref:AttestationStatementsPart2.911(d)(5)(i)andPart2.911(d)(5)(ii)Filing FCCID:2BKJ5LUMITOOLF28 Part2.911(d)(5)(i) [ShenzhenEarainAutomationEquipmentCo.,Ltd.](âtheapplicantâ)certifiesthattheequipmentfor whichauthorizationissoughtisnotâcoveredâequipmentanddoesnotcontainanti-virussoftwareor cybersecuritysoftwareprohibitedfromreceivinganequipmentauthorizationpursuantto47CFR2.903, KDB986446D01CoveredEquipmentGuidance,andFCCCoveredList (www.fcc.gov/supplychain/coveredlist). Part2.911(d)(5)(ii) [ShenzhenEarainAutomationEquipmentCo.,Ltd.](âtheapplicantâ)certifiesthat,asofthedateofthe filingoftheapplication,theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentity oranyofitssubsidiariesoraffiliates)asanentityproducingâcoveredâequipment. Sincerely, (Applicantsignature) (Applicantprintedname)XuMeixiang
Rev1/26/2023 ShenzhenEarainAutomationEquipmentCo.,Ltd. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:07-28-2026 Ref:AttestationStatementsPart2.911(d)(7)Filing FCCIDorGranteeCode:[2BKJ5LUMITOOLF28] ApplicantFRN:[0035857358] [ShenzhenEarainAutomationEquipmentCo.,Ltd.](âtheapplicantâ)certifiesthat,asofthedateofthe filingoftheapplication,[FCCUSAgent,LLC]isourdesignatedU.S.agentforserviceofprocessforthe abovereferencedFCCID.[ShenzhenEarainAutomationEquipmentCo.,Ltd.]acceptstomaintainan agentfornolessthanoneyearafterthegranteehasterminatedallmarketingandimportationorthe conclusionofanyCommission-relatedproceedinginvolvingtheequipment. [FCCUSAgent,LLC]accepts,asofthedateofthefilingoftheapplication,theobligationofthe designatedU.S.agentforserviceofprocessfortheabovereferencedFCCID. DesignatedU.S.AgentInformation: Name:[FCCUSAgent,LLC] U.S.AgentFRN:[0033402884] Address:[3722IllinoisAvenue,SaintCharles,IL,60174,USA] ContactPerson:[TimPayne] Tel.:[708-571-3148] Email:[[email protected]] Sincerely, [ShenzhenEarainAutomationEquipmentCo.,Ltd.][FCCUSAgent,LLC] [XuMeixiang][TimPayne] [][]
M:\MasterDocuments\TEMPLATES\POA_Letter.doc ShenzhenEarainAutomationEquipmentCo.,Ltd. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Date:July29,2026 SUBJECT:FCCApplicationfor(FCCID:2BKJ5LUMITOOLF28) ToWhomItMayConcern: We,theundersigned,herebyauthorizeAimeeAiatCentreTestingInternationalGroupCo., Ltd/HongweiIndustrialPark,Zone70,Bao â anDistrict,Shenzhen,Guangdong,China onourbehalf,toapplytotheFederalCommunicationsCommissiononourequipment. AnyandallactscarriedoutbyAimeeAiatCentreTestingInternationalGroupCo.,Ltd/ HongweiIndustrialPark,Zone70,BaoâanDistrict,Shenzhen,Guangdong,Chinaonour behalfshallhavethesameeffectasactsofourown. ThisistoadvisethatweareinfullcompliancewiththeAnti-DrugAbuseAct.We,the applicant,arenotsubjecttoadenialoffederalbenefitspursuanttoSection5301ofthe Anti-DrugActof1988,21USC853a,andnopartytotheapplicationissubjecttoadenial offederalbenefitspursuanttothatsection Regards, Signature: printedname:XuMeixiang
Rev11/20/07 ShenzhenEarainAutomationEquipmentCo.,Ltd. FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationof FCCID:2BKJ5LUMITOOLF28 PursuanttoSections0.457and0.459oftheCommissionâsRules,weherebyrequestconfidential treatmentofinformationaccompanyingthisapplicationasoutlinedbelow: Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic.Thepublicdisclosureofthesematerialsmaybeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateoftheGrant forthisapplication. PursuanttoDA04-1705June15,2004oftheCommissionâspublicnotice,wealsorequestthat theinformationattachedtothisapplicationbetemporarilyconfidentialfor180daysasoutlined below Exhibit Type (Block Diagram, Schematics, Operational Description) File Name (Block Diagram.pdf, Schematics.pdf, OperationalDescription.pdf) : ExhibitTypeFileName UserManual.pdf ExternalPhotos.pdf InternalPhotos.pdf TestSetupPhotos.pdf UserManual.pdf ExternalPhotos.pdf InternalPhotos.pdf TestSetupPhotos.pdf Sincerely, Signature: printedname:XuMeixiang Date:July29,2026
Report No. : EED32S80419302Page 1 of 7 RF Exposure Evaluation Report Product:28W Fiber Laser Engraver Trade mark:Lumitool Model/Type reference :F28 Serial Number:N/A Report Number:EED32S80419302 FCC ID:2BKJ5LUMITOOLF28 Date of Issue:Jul. 15, 2026 Test Standards: 47 CFR Part 1.1307 47 CFR Part 1.1310 47 CFR Part 2.1091 KDB 447498 D04 Interim General RF Exposure Guidance v01 Test result:PASS Prepared for: Shenzhen Earain Automation Equipment Co., Ltd 903, Building 1, Nantai Yunchuanggu Park, South of the intersection of Guangming Avenue and Dongchang Road, Fenghuang Street, Guangming District, Shenzhen, Guangdong, China Prepared by: Centre Testing International Group Co., Ltd. Building C, Hongwei Industrial Park Block 70, Bao'an District, Shenzhen, China TEL: +86-755-3368 3668 FAX: +86-755-3368 3385 Compiled by:Reviewed by: Win WeiKeven Tan Approved by:Date: Jul. 15, 2026 Aaron Ma Check No.::1720040326 Report No. : EED32S80419302Page 2 of 7 1 Contents Page 1 CONTENTS........................................................................................................................................................................2 2 GENERAL INFORMATION..............................................................................................................................................3 2.1 CLIENTINFORMATION................................................................................................................................................... 3 2.2 GENERALDESCRIPTION OFEUT...................................................................................................................................3 2.3PRODUCTSPECIFICATION SUBJECTIVE TOTHIS STANDARD..........................................................................................3 2.4 TESTLOCATION.............................................................................................................................................................4 2.5 DEVIATION FROMSTANDARDS......................................................................................................................................4 2.6 ABNORMALITIES FROMSTANDARDCONDITIONS..........................................................................................................4 2.7 OTHERINFORMATIONREQUESTED BY THECUSTOMER................................................................................................4 3 SAR EVALUATION...........................................................................................................................................................5 3.1 RF EXPOSURECOMPLIANCEREQUIREMENT.................................................................................................................5 3.1.1 Limits....................................................................................................................................................................5 3.1.2 TestProcedure....................................................................................................................................................5 3.1.3 EUT RF Exposure Evaluation..........................................................................................................................6 Report No. : EED32S80419302Page 3 of 7 2 General Information 2.1 Client Information Applicant: Shenzhen Earain Automation Equipment Co., Ltd Address of Applicant: 903, Building 1, Nantai Yunchuanggu Park, South of the intersection of Guangming Avenue and Dongchang Road, Fenghuang Street, Guangming District, Shenzhen, Guangdong, China Manufacturer: Shenzhen Earain Automation Equipment Co., Ltd Address of Manufacturer: 903, Building 1, Nantai Yunchuanggu Park, South of the intersection of Guangming Avenue and Dongchang Road, Fenghuang Street, Guangming District, Shenzhen, Guangdong, China Factory: Shenzhen Earain Automation Equipment Co., Ltd Address of Factory: 903, Building 1, Nantai Yunchuanggu Park, South of the intersection of Guangming Avenue and Dongchang Road, Fenghuang Street, Guangming District, Shenzhen, Guangdong, China 2.2 General Description of EUT Product Name: 28W Fiber Laser Engraver Model No.: F28 Test Model No.: F28 Trade Mark: Lumitool 2.3 Product Specification subjective to this standard FrequencyRange:2.4G Wi-Fi: IEEE 802.11b/g/n(HT20): 2412MHz to 2462MHz Modulation Type:2.4G Wi-Fi: IEEE for 802.11b: DSSS(CCK,DQPSK,DBPSK) IEEE for 802.11g :OFDM(64QAM, 16QAM, QPSK, BPSK) IEEE for 802.11n(HT20) : OFDM (64QAM, 16QAM,QPSK, BPSK) Test Power Grade:Default Test Software of EUT:EspRFTestTool_v3.6_Manual Antenna Type: PCB Antenna Antenna Gain: 1.97 dBi Power Supply: Adapter: Model: BSG-12020000 Input: 100-240V~, 3.0A Output: 12.0V20.0A Sample Received Date: Jun. 16, 2026 Sample tested Date: Jun. 16, 2026 to Jun. 26, 2026 Report No. : EED32S80419302Page 4 of 7 2.4 Test Location All tests were performed at: Centre Testing International Group Co., Ltd Building C, Hongwei Industrial Park Block 70, Bao'an District, Shenzhen, China Telephone: +86 (0) 755 33683668 Fax:+86 (0) 755 33683385 No tests were sub-contracted. FCC Designation No.: CN1164, Test Firm Registration No.: 260439 2.5 Deviation from Standards None. 2.6 Abnormalities from Standard Conditions None. 2.7 Other Information Requested by the Customer None. Report No. : EED32S80419302Page 5 of 7 3 SAR Evaluation 3.1 RF Exposure Compliance Requirement 3.1.1Limits The SAR-based exemption formula of § 1.1307(b)(3)(i)(B), repeated here as Formula (B.2), applies for single fixed, mobile, and portable RF sources with available maximum time-averaged power or effective radiated power (ERP), whichever is greater, of less than or equal to the threshold Pth (mW). This method shall only be used at separation distances from 0.5 cm to 40 cm and at frequencies from 0.3 GHz to 6 GHz (inclusive). Pth is given by Formula and f is in GHz, d is the separation distance (cm), and ERP20cm is per Formula (B.1). The 1 mW Blanket Exemption of § 1.1307(b)(3)(i)(A) appliesâŠ
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ReportNo.:EED32S80419301Page42of47 802.11b_HCH_2462MHz_Ant1(SISO)_NTNV 802.11g_LCH_2412MHz_Ant1(SISO)_NTNV ReportNo.:EED32S80419301Page43of47 802.11g_LCH_2412MHz_Ant1(SISO)_NTNV 802.11g_MCH_2437MHz_Ant1(SISO)_NTNV ReportNo.:EED32S80419301Page44of47 802.11g_HCH_2462MHz_Ant1(SISO)_NTNV 802.11g_HCH_2462MHz_Ant1(SISO)_NTNV ReportNo.:EED32S80419301Page45of47 802.11n(HT20)_LCH_2412MHz_Ant1(SISO)_NTNV 802.11n(HT20)_LCH_2412MHz_Ant1(SISO)_NTNV ReportNo.:EED32S80419301Page46of47 802.11n(HT20)_MCH_2437MHz_Ant1(SISO)_NTNV 802.11n(HT20)_HCH_2462MHz_Ant1(SISO)_NTNV ReportNo.:EED32S80419301Page47of47 802.11n(HT20)_HCH_2462MHz_Ant1(SISO)_NTNV ***EndofReport***
Report No. : EED32S80419301Page 1 of 53 TEST REPORT Product:28W Fiber Laser Engraver Trade mark:Lumitool Model/Type reference :F28 Serial Number:N/A Report Number:EED32S80419301 FCC ID:2BKJ5LUMITOOLF28 Date of Issue:Jul. 15, 2026 Test Standards: 47 CFR Part 15 Subpart C Test result:PASS Prepared for: Shenzhen Earain Automation Equipment Co., Ltd 903, Building 1, Nantai Yunchuanggu Park, South of the intersection of Guangming Avenue and Dongchang Road, Fenghuang Street, Guangming District, Shenzhen, Guangdong, China Prepared by: Centre Testing International Group Co., Ltd. Building C, Hongwei Industrial Park Block 70, Bao'an District, Shenzhen, China TEL: +86-755-3368 3668 FAX: +86-755-3368 3385 Compiled by:Reviewed by: Win WeiKeven Tan Approved by:Date: Jul. 15, 2026 Aaron Ma Check No.::1720040326 Report No. : EED32S80419301Page 2 of 53 1 Content 1 CONTENT............................................................................................................................................................................2 2 TEST SUMMARY............................................................................................................................................................... 3 3 GENERAL INFORMATION...............................................................................................................................................4 3.1 CLIENTINFORMATION....................................................................................................................................................4 3.2 GENERALDESCRIPTION OFEUT.................................................................................................................................4 3.3 TESTCONFIGURATION..................................................................................................................................................6 3.4 TESTENVIRONMENT.....................................................................................................................................................7 3.5 DESCRIPTION OFSUPPORTUNITS...............................................................................................................................7 3.6 TESTLOCATION.............................................................................................................................................................7 3.7 MEASUREMENTUNCERTAINTY(95%CONFIDENCE LEVELS,K=2).............................................................................8 4 EQUIPMENT LIST..............................................................................................................................................................9 5 TEST RESULTS AND MEASUREMENT DATA.........................................................................................................13 5.1 ANTENNAREQUIREMENT............................................................................................................................................13 5.2 AC POWERLINECONDUCTEDEMISSIONS................................................................................................................14 5.3 MAXIMUMCONDUCTEDOUTPUTPOWER.................................................................................................................. 18 5.4 DTS BANDWIDTH........................................................................................................................................................19 5.5 MAXIMUMPOWERSPECTRALDENSITY.....................................................................................................................20 5.6 BANDEDGEMEASUREMENTS ANDCONDUCTEDSPURIOUSEMISSION...................................................................21 5.7 RADIATEDSPURIOUSEMISSION& RESTRICTED BANDS...........................................................................................22 6 APPENDIX A.....................................................................................................................................................................51 7 PHOTOGRAPHS..............................................................................................................................................................52 Report No. : EED32S80419301Page 3 of 53 2 Test Summary Test ItemTest RequirementResult Antenna Requirement 47 CFR Part 15 Subpart C Section 15.203/15.247 (c) PASS AC Power Line Conducted Emission 47 CFR Part 15 Subpart C Section 15.207 PASS DTS Bandwidth 47 CFR Part 15 Subpart C Section 15.247 (a)(2) PASS Maximum Conducted Output Power 47 CFR Part 15 Subpart C Section 15.247 (b)(3) PASS Maximum Power Spectral Density 47 CFR Part 15 Subpart C Section 15.247 (e)PASS Band edge measurements 47 CFR Part 15 Subpart C Section 15.247(d) PASS Conducted Spurious Emissions 47 CFR Part 15 Subpart C Section 15.247(d) PASS Radiated Spurious Emission & Restricted bands 47 CFR Part 15 Subpart C Section 15.205/15.209 PASS Report No. : EED32S80419301Page 4 of 53 3 General Information 3.1 Client Information Applicant:Shenzhen Earain Automation Equipment Co., Ltd Address of Applicant:903, Building 1, Nantai Yunchuanggu Park, South of the intersection of Guangming Avenue and Dongchang Road, Fenghuang Street, Guangming District, Shenzhen, Guangdong, China Manufacturer:Shenzhen Earain Automation Equipment Co., Ltd Address of Manufacturer: 903, Building 1, Nantai Yunchuanggu Park, South of the intersection of Guangming Avenue and Dongchang Road, Fenghuang Street, Guangming District, Shenzhen, Guangdong, China Factory:Shenzhen Earain Automation Equipment Co., Ltd Address of Factory:903, Building 1, Nantai Yunchuanggu Park, South of the intersection of Guangming Avenue and Dongchang Road, Fenghuang Street, Guangming District, Shenzhen, Guangdong, China 3.2 General Description of EUT Product Name: 28W Fiber Laser Engraver Model No.: F28 Test Model No.: F28 Trade mark: Lumitool Product Type: MobilePortableFix Location Operation Frequency: IEEE 802.11b/g/n(HTâŠ
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SHENZHENB&TTECHNOLOGYCo.,LtdZHONGSHANB&TTECHNOLOGYCo.,Ltd -1- SPECIFICATIONFORAPPROVAL CUSTOMERïŒShenzhenAi-ThinkerTechnologyCo.,Ltd CUSPARTNO:ESP-12F PARTNAME:2.4GWLANAntenna EditionïŒ1.0 EditorJuXiang2019/05/13 VerifierGuanNing2019/05/13 ApproverXuFuqiang2019/05/13 SHENZHENB&TTECHNOLOGYCo.,Ltd ZHONGSHANB&TTECHNOLOGYCo.,Ltd Address:3-4/F,BuildingA,DongfangIndustrialPark,NanlangTown, ZhongshanCity,GuangdongProvince,China SHENZHENB&TTECHNOLOGYCo.,LtdZHONGSHANB&TTECHNOLOGYCo.,Ltd -2- Directory 1ăPerformanceparameter.................................................................3 2ăVSWR...................................................................................4 3ăPassivetestdata....................................................................4 4 ăRadiationpattern .....................................................................5 SHENZHENB&TTECHNOLOGYCo.,LtdZHONGSHANB&TTECHNOLOGYCo.,Ltd -3- Productspecification 1ăPerformanceparameter Name2.4GWLANAntenna ModelTypePCBPrintAntenna ELECTRICALSPECTFICATIONS FrenquencyRange2400-2500MHz BandWidth100MHz Impedance50Ω VSWR<2.0 MaxGain1.97dBi PolarizationVertical/Horizontal RadiationOmnidirectional Power50W MECHANICALSPECTFICATIONS ConnectorWeldingtype WorkingTemperature-40°C-+85°C LimitTemperature-40°C-+125°C SHENZHENB&TTECHNOLOGYCo.,LtdZHONGSHANB&TTECHNOLOGYCo.,Ltd -4- 2ăVSWR 3ăPassivetestdata: Frequency(MHz)24002410242024302440245024602470248024902500 Gain(dBi)1.271.261.621.351.391.641.891.971.961.841.71 Efficiency(%)48.6248.8451.3149.0749.8553.4754.6355.1255.2155.0953.65 SHENZHENB&TTECHNOLOGYCo.,LtdZHONGSHANB&TTECHNOLOGYCo.,Ltd -5- 4ăRadiationpattern 5.Antenna drawings
ReportNo.:EED32S80419301Page1of47 Appendix:2.4GWi-Fi ReportNo.:EED32S80419301Page2of47 Content Content........................................................................................................................................................2 1.DutyCycle...............................................................................................................................................4 1.1TestResult.....................................................................................................................................4 1.1.1Ant1.....................................................................................................................................4 1.2TestGraph.....................................................................................................................................5 1.2.1Ant1.....................................................................................................................................5 2.Bandwidth..............................................................................................................................................11 2.1TestResult...................................................................................................................................11 2.1.1OBW..................................................................................................................................11 2.1.26dBBW..............................................................................................................................11 2.2TestGraph...................................................................................................................................12 2.2.1OBW..................................................................................................................................12 2.2.26dBBW..............................................................................................................................18 3.MaximumConductedOutputPower.....................................................................................................24 3.1TestResult...................................................................................................................................24 3.1.1Power.................................................................................................................................24 4.MaximumPowerSpectralDensity........................................................................................................25 4.1TestResult...................................................................................................................................25 4.1.1PSD...................................................................................................................................25 4.2TestGraph...................................................................................................................................26 4.2.1PSD...................................................................................................................................26 5.UnwantedEmissionsInNon-restrictedFrequencyBands...................................................................32 5.1TestResult...................................................................................................................................32 ReportNo.:EED32S80419301Page3of47 5.1.1Ref.....................................................................................................................................32 5.1.2CSE...................................................................................................................................32 5.2TestGraph...................................................................................................................................33 5.2.1Ref.....................................................................................................................................33 5.2.2CSE...................................................................................................................................39 ReportNo.:EED32S80419301Page4of47 1.DutyCycle 1.1TestResult 1.1.1Ant1 Ant1 Mode TX Type Frequency (MHz) T_on (ms) Period (ms) DutyCycle (%) DutyCycle CorrectionFactor(dB) Max.DC Variation(%) 802.11bSISO 2412100.000100.000100.000.000.00 2437100.000100.000100.000.000.00 2462100.000100.000100.000.000.00 802.11gSISO 2412100.000100.000100.000.000.00 2437100.000100.000100.000.000.00 2462100.000100.000100.000.000.00 802.11n (HT20) SISO 2412100.000100.000100.000.000.00 2437100.000100.000100.000.000.00 2462100.000100.000100.000.000.00 ReportNo.:EED32S80419301Page5of47 1.2TestGraph 1.2.1Ant1 802.11b_LCH_2412MHz_Ant1(SISO)_NTNV 802.11b_MCH_2437MHz_Ant1(SISO)_NTNV ReportNo.:EED32S80419301Page6of47 ReportNo.:EED32S80419301Page7of47 802.11b_HCH_2462MHz_Ant1(SISO)_NTNV 802.11g_LCH_2412MHz_Ant1(SISO)_NTNV ReportNo.:EED32S80419301Page8of47 802.11g_MCH_2437MHz_Ant1(SISO)_NTNV 802.11g_HCH_2462MHz_Ant1(SISO)_NTNV ReportNo.:EED32S80419301Page9of47 802.11n(HT20)_LCH_2412MHz_Ant1(SISO)_NTNV 802.11n(HT20)_MCH_2437MHz_Ant1(SISO)_NTNV ReportNo.:EED32S80419301Page10of47 802.11n(HT20)_HCH_2462MHz_Ant1(SISO)_NTNV ReportNo.:EED32S80419301Page11of47 2.Bandwidth 2.1TestResult 2.1.1OBW Mode TX Type Frequency (MHz) ANT 99%OccupiedBandwidth(MHz) Verdict ResultLimit 802.11bSISO 2412112.514/Pass 2437112.705/Pass 2462112.454/Pass 802.11gSISO 2412116.471/Pass 2437116.449/Pass 2462116.428/Pass 802.11n (HT20) SISO 2412117.557/Pass 2437117.575/Pass 2462117.595/Pass 2.1.26dBBW Mode TX Type Frequency (MHz) ANT 6dBBandwidth(MHz) Verdict ResultLimit 802.11bSISO 241218.144>=0.5Pass 243718.166>=0.5Pass 246218.145>=0.5Pass 802.11gSISO 2412116.155>=0.5Pass 2437116.155>=0.5Pass 2462116.208>=0.5Pass 802.11n (HT20) SISO 2412117.239>=0.5Pass 2437117.345>=0.5Pass 2462117.329>=0.5Pass ReportNo.:EED32S80419301Page12of47 2.2TestGraph 2.2.1OBW 802.11b_LCH_2412MHz_Ant1(SâŠ
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3722 Illinois Avenue · Saint Charles, Illinois, 60174 · United States
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 2.41 GHz - 2.46 GHz | 20.00 mW |