2BTLH-ACCUMEMS5Pocket Thermal Imager

[email protected] T T Series Pocket Thermal Imager User Manual Scan to Get the Latest UM i © Hangzhou Accumems Technology Co., Ltd. All rights reserved. Manual Usage Guidelines This manual contains functional descriptions and product usage/management guidelines for various imager models. Due to functional differences among models within the same series, the manual may include explanations that are not applicable to your specific model. All pictures, charts, and other information provided herein are for descriptive and explanatory purposes only and are subject to change without notice due to firmware updates or other reasons. Please note that information regarding new features in the latest firmware may not be included in a timely manner. Use this manual under the guidance and assistance of professionals trained in supporting the product. For more information or technical support, please visit our official website www.accumems.com or send an email to [email protected]. Trademarks Acknowledgement and other AccuMEMS’s trademarks and logos are the properties of Hangzhou Accumems Technology Co., Ltd. in various jurisdictions. Other trademarks and logos mentioned are the properties of their respective owners. ii CONTENTS 1. Safety Instruction .........................................................................................1 Power Supply ..................................................................................................... 1 Battery ..................................................................................................................... 1 Using Environment ....................................................................................... 2 Transportation ................................................................................................. 3 Maintenance ...................................................................................................... 3 Emergency .......................................................................................................... 3 White Supplement Light .........................................................................4 Laws and Regulations ...............................................................................4 Recycling ..............................................................................................................4 2. Product Appearance.............................................................................. 5 3. Getting Started ............................................................................................. 7 Charging for the Imager ......................................................................... 7 Power On/Off the Imager .................................................................... 7 Menus and Controls ..................................................................................8 4. Usage Scene Configuration ........................................................... 11 Choose a Usage Scene .......................................................................... 11 (Optional) Configure Usage Scene Parameters .............. 15 iii 5. Temperature Measurement............................................................17 Measurement Tools Configuration ............................................... 17 Temperature Accuracy Parameters Configuration ....... 18 Alarm Configuration .............................................................................. 20 6. Display Configuration ......................................................................... 21 Brightness Configuration...................................................................... 21 Auto-Rotation Configuration ............................................................ 21 UIRA-IR Configuration ............................................................................ 21 Image Mode Configuration .............................................................. 22 Level & Span Configuration ............................................................ 22 Digital Zoom Configuration .............................................................. 23 On-Screen Info Configuration ........................................................24 7. Pictures and Videos ............................................................................ 25 Capture Pictures ......................................................................................... 25 Record Videos ............................................................................................. 27 View Pictures and Videos ................................................................. 27 Manage Files .................................................................................................28 Manage Albums ......................................................................................... 30 Export Files ..................................................................................................... 31 iv 8. Device Connection ................................................................................ 32 Connect via Hotspot (If Applicable) .......................................... 32 9. Maintenance ................................................................................................. 33 Time and Date Configuration .......................................................... 33 Unit Configuration .................................................................................... 33 View Imager Information .................................................................... 33 Format Memory .......................................................................................... 33 Logs Configuration ..................................................................................34 Upgrade ............................................................................................................34 Restore Imager Configuration .............................................…

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` ReportNo.:SUCR260400038401 Page: 1 of 3 AppendixA DetailedSystemCheckResults 1.SystemPerformanceCheck SystemPerformanceCheck2450MHz Date: 2026/05/11 Test Laboratory: SGS-SAR Lab System Performance Check 2450MHz Head DUT: D2450V2; Type: Dipole; Serial: 922 Communication System: UID 0, CW; Frequency: 2450 MHz;Duty Cycle: 1:1 Medium: HSL2450;Medium parameters used: f = 2450 MHz; σ = 1.771 S/m; ε = 39.555; ρ = 1000 r 3 kg/m Phantom section: Flat Section DASY 5 Configuration: lProbe: EX3DV4 -SN3923; ConvF(7.95, 7.95, 7.95); Calibrated: 2026/01/12 lSensor-Surface: 1.4mm (Mechanical Surface Detection) lElectronics: DAE4 Sn1245; Calibrated: 2025/09/08 lPhantom: SAM 8; Type: SAM; Serial: 1824 lDASY52 52.10.4(1527); SEMCAD X 14.6.14(7483) Body/d=10mm, Pin=250mW/Area Scan (9x11x1): Measurement grid: dx=12mm, dy=12mm Maximum value of SAR (measured) = 16.6 W/kg Body/d=10mm, Pin=250mW/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 83.23 V/m; Power Drift = 0.03 dB Peak SAR (extrapolated) = 25.4 W/kg SAR(1 g) = 13.5 W/kg; SAR(10 g) = 6.51 W/kg Smallest distance from peaks to all points 3 dB below = 8.2 mm Ratio of SAR at M2 to SAR at M1 = 55% Maximum value of SAR (measured) = 21.3 W/kg 0 dB = 21.3 W/kg = 13.28 dBW/kg ` ReportNo.:SUCR260400038401 Page: 3 of 3 -EndoftheAppendix-

Compliance Certification Services (Kunshan) Inc. Page: 1 of 3 Appendix Photographs of Test Setup for KSCR2603000513AT Test Model No.: TT27D Compliance Certification Services (Kunshan) Inc. Page: 2 of 3 Test Setup Photo Conducted Emissions at Mains Terminals (150kHz-30MHz) RF Conducted setup Compliance Certification Services (Kunshan) Inc. Page: 3 of 3 RF Radiated setup (Below 1GHz) RF Radiated setup (Above 1GHz) - End of the Appendix -

Report No.: KSCR260300051301 Page: 1 of 125 CCSEM-TRF-001 Rev. 03 Dec 18, 2024 TEST REPORT Application No.: KSCR2603000513AT FCC ID: 2BTLH-ACCUMEMS5 Applicant: Hangzhou Accumems Technology Co.，Ltd. Address of Applicant: Room 418-1, Building 2, JinxiuLinglongfu, Xixing Street, Binjiang District, Hangzhou City, Zhejiang Province Manufacturer: Hangzhou Accumems Technology Co.，Ltd. Address of Manufacturer: Room 418-1, Building 2, JinxiuLinglongfu, Xixing Street, Binjiang District, Hangzhou City, Zhejiang Province Equipment Under Test (EUT): EUT Name: Pocket Thermal Imager Model No.: TT27D Trade Mark: AccuMEMS Standard(s) : 47 CFR Part 15, Subpart C 15.247 Date of Receipt: 2026-03-12 Date of Test: 2026-03-24 to 2026-05-12 Date of Issue: 2026-05-13 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. Report No.: KSCR260300051301 Page: 2 of 125 CCSEM-TRF-001 Rev. 03 Dec 18, 2024 Revision Record Version Description Date Remark 00 Original 2026-05-13 / Authorized for issue by: Tested By Tommie_Tang/Project Engineer Approved By Terry Hou /Reviewer Report No.: KSCR260300051301 Page: 3 of 125 CCSEM-TRF-001 Rev. 03 Dec 18, 2024 2 Test Summary Radio Spectrum Technical Requirement Item Standard Method Requirement Result Antenna Requirement 47 CFR Part 15, Subpart C 15.247 N/A 47 CFR Part 15, Subpart C 15.203 & 15.247(b)(4) Pass Radio Spectrum Matter Part Item Standard Method Requirement Result Conducted Emissions at AC Power Line (150kHz-30MHz) 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2020) Section 6.2 47 CFR Part 15, Subpart C 15.207 Pass Radiated Emissions which fall in the restricted bands ANSI C63.10 (2020) Section 6.10.5 & 11.12 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Radiated Spurious Emissions Below 1GHz ANSI C63.10 (2020) Section 6.4,6.5 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Radiated Spurious Emissions Above 1GHz ANSI C63.10 (2020) Section 6.6 & 11.12 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Maximum Conducted Output Power ANSI C63.10 (2020) Section 11.9.2 47 CFR Part 15, Subpart C 15.247(b)(3) Pass Minimum 6dB Bandwidth ANSI C63.10 (2020) Section 11.8.1 47 CFR Part 15, Subpart C 15.247a(2) Pass Power Spectral Density ANSI C63.10 (2020) Section 11.10.3 47 CFR Part 15, Subpart C 15.247(e) Pass Conducted Band Edges Measurement ANSI C63.10 (2020) Section 6.10.4 47 CFR Part 15, Subpart C 15.247(d) Pass Conducted Spurious Emissions ANSI C63.10 (2020) Section 11.11 47 CFR Part 15, Subpart C 15.247(d) Pass Note: The product has two kinds of flash and their RF characteristics are completely consistent after pre- scanning. Only the test data of product with Flash 1 was shown in this report. Report No.: KSCR260300051301 Page: 4 of 125 CCSEM-TRF-001 Rev. 03 Dec 18, 2024 3 Contents Page 1 COVER PAGE ........................................................................................................................................... 1 2 Test Summary ......................................................................................................................................... 3 3 Contents ................................................................................................................................................... 4 4 General Information ................................................................................................................................ 5 4.1 Details of E.U.T. ............................................................................................................................... 5 4.2 Power level setting using in test ....................................................................................................... 5 4.3 Description of Support Units ............................................................................................................ 6 4.4 Measurement Uncertainty ................................................................................................................ 6 4.5 Test Location .................................................................................................................................... 7 4.6 Test Facility ...................................................................................................................................... 7 4.7 Deviation from Standards ................................................................................................................. 7 4.8 Abnormalities from Standard Conditions .......................................................................................... 7 5 Equipment List ........................................................................................................................................ 8 6 Radio Spectrum Technical Requirement .............................................................................................. 9 6.1 Antenna Requirement ...................................................................................................................... 9 7 Radio Spectrum Matter Test Results .................................................................................................. 10 7.1 Conducted Emissions at AC Power Line (150kHz-30MHz) ........................................................... 10 7.2 Radiated Emissions which fall in the restricted bands ................................................................... 14 7.3 Radiated Spurious Emissions Below 1GHz ................................................................................... 41 7.4 Radiated Spurious Emissions Above 1GHz ................................................................................... 46 7.5 Maximum Conducted Output Power .............................................................................................. 66 7.6 Minimum 6dB Bandwidth................................................................................................................ 68 7.7 Power Spectral Density ..........................…

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F r e q u e n c S PE C I F IC A T I O S h e n Z h e n VL G W i r e l e ss T E C H N O L OG Y C O , . LT D Address：4/F, B5 Building, Taohuayuan Technology & Innovation Ecological Par k, Xixiang, Baoan, Shenzhen N y P o c k e t C ame r a WI F I / B T A n t e n na 2 4 00 - 2 5 00 M H z P r o j ec t B a n d A VL G SC T P N V 1 33 4 - 2 8 5 - A - 1 V e r s i o n j u n . l i u Q C R F h o n g . y u h o n g . y u j u n . l i u C h ec k C h ec k P M x i a o r u i . c h a i c h u n x i n . w a n g c h u n x i n . w a n g ME x i a o r u i . c h a i D ece m b e r 1 7 , 2 0 2 1 D a t e C u s t omer P ro j ec t N a m e : P oc k e t C a m er a W IFI / B T A n t enna C u s t o m e r i t em P / N C u s t o m e r I t e m N o. : C u s t ome r R em a r k V L G W i re l ess T ec h no l o gy R & d p r o j e c t c us t o m e r sa t i s f a c t i o n s u rv e y ( C us t o m e r p l e as e a cco r d i n g t o o u r r e s e ar c h an d d e v e l o p m e n t , a co m m e n t o r PM mana g e m e n t s t a f f , s u p e r v i s e a n d u r g e u s s e rv e y o u b e t t e r ) □ l a r g e l y sa t i s f ac t o r y □ N o t sa t i s f i e d RF □ s a t i s f ac t i on □ N o t sa t i s f i e d ME □ l ar g e l y s a t i s f ac t o r y □ sa t i s f a c t i o n PM □ N o t sa t i s f i e d □ s a t i s f a c t i o n O l a r g e l y sa t i s f a c t o r y C us t om e r S u gg es t i ons : T h e a n t e nn a : i m a g es T h e f o r m n u m b e r : V LG / Q R F 7 . 3 - 2 4 / A 4 S a v e t h e fi x e d nu m b e r o f y ea r : 2 y ea r s 1 ConfidentialInformation www.vlg.com.cn VLGhaspossessionofproprietaryinformationprovidedinthisreportandthisproprietaryinformation shallbekeptinstrictconfidenceandnotdisclosedtoanypersonorfirmwithoutthepriorwritten consentofVLGCommunicationTechnology. Page1 DesignSpecificationsTypicalUnits Antennatype FPC+Leadwire workingFrequency 2400~2500MHz Gain 0.03~1.33dBi Antennaefficiency 41.04~50.03% VSWR <4 Ploriaztion Linearpolarization AxialRatio Whentheantennaiscircularpolarization,notetheaxial ratiointheworkingbandwidth N/A Radiationpattern omnidirectional impedance 50ohm Powerhandling 33dBm Interface IPEX Overaldimensions Seedrawingsection Weight norequirement OperatinTemp -30-----70 ° StoringTemp -30-----70 ° ConfidentialInformation www.vlg.com.cn VLGCommunicationhaspossessionofproprietaryinformationprovidedinthisreportandthis proprietaryinformationshallbekeptinstrictconfidenceandnotdisclosedtoanypersonorfirmwithout thepriorwrittenconsentofVLGCommunicationTechnology. . Page2 PocketCameraWIFI/BTAntenna Specification 1、Indication ThereportmainlyprovidestheteststatusofvariouselectricalperformanceparametersofthePocket CameraWIFI/BTAntenna.（AsshowninFigure1below） Figure1PocketCameraWIFI/BTAntenna 2、ElectricalPerformance 2.1Specificationstandard PocketCameraWIFI/BTAntennaworkingbandisat2400-2500MHz. 2.2Antennamatchingcircuit PocketCameraWIFI/BTAntennamatchestheoriginalmatchingcircuit. ConfidentialInformation www.vlg.com.cn VLGCommunicationhaspossessionofproprietaryinformationprovidedinthisreportandthis proprietaryinformationshallbekeptinstrictconfidenceandnotdisclosedtoanypersonorfirmwithout thepriorwrittenconsentofVLGCommunicationTechnology. . Page3 2.3VSWRTest A.Testsetup VSWRmeasurements(S11)wereperformedusingAgilentE5071BNetworkAnalyzerandthepreviously describedtestfixture.Aferrite-loadedcoaxialcablewasusedtomitigatesurfacecurrentsontheoutsideof thecabling.ThetestingwasperformedinfreespaceETSAMP8500Schamber. B.VSWR Thetablebelowshowsthestandingwaveratiovalueoftheedgefrequencyoftheworkingbandof PocketCameraWIFI/BTAntennamatchestheoriginalmatchingcircuit. . Frequency band frequency (MHz) VSWR WiFi 24002.20 25001.13 ConfidentialInformation www.vlg.com.cn VLGCommunicationhaspossessionofproprietaryinformationprovidedinthisreportandthis proprietaryinformationshallbekeptinstrictconfidenceandnotdisclosedtoanypersonorfirmwithout thepriorwrittenconsentofVLGCommunicationTechnology. . Page4 2.3.1S11parameter ConfidentialInformation www.vlg.com.cn VLGCommunicationhaspossessionofproprietaryinformationprovidedinthisreportandthis proprietaryinformationshallbekeptinstrictconfidenceandnotdisclosedtoanypersonorfirmwithout thepriorwrittenconsentofVLGCommunicationTechnology. . Page5 2.3.2AntennaPassiveEfficiency Freq(MHz)Gain(dBi)Efficiency(dB)Efficiency(%) 24000.08-3.8741.04 24100.03-3.6543.13 24200.21-3.5644.07 24300.46-3.4744.94 24400.48-3.4245.49 24500.45-3.2847.01 24600.62-3.2147.79 24700.80-3.1148.88 24800.98-3.0150.03 24901.09-3.0249.86 25001.33-3.1348.60 avg0.59-3.3446.44 ConfidentialInformation www.vlg.com.cn VLGCommunicationhaspossessionofproprietaryinformationprovidedinthisreportandthis proprietaryinformationshallbekeptinstrictconfidenceandnotdisclosedtoanypersonorfirmwithout thepriorwrittenconsentofVLGCommunicationTechnology. . Page6 2.3.3Pattern ConfidentialInformation www.vlg.com.cn VLGCommunicationhaspossessionofproprietaryinformationprovidedinthisreportandthis proprietaryinformationshallbekeptinstrictconfidenceandnotdisclosedtoanypersonorfirmwithout thepriorwrittenconsentofVLGCommunicationTechnology. . Page7 3、SuggestionAndSolution ThisreportisaccordingtothecustomerprovidePocketCameraWIFI/BTAntennathefinalversionof theelectricalperformanceofantenna. Ascanbeseenfromtheabovetestdata,thisantennaprovidesbetterelectricalperformance. Wearelookingforwardtoyourconfirmation.Thankyouforyourcooperation! 4、AppearanceDrawing 0.03 0.02 0.04 0～10 ±0.10 10～20 ±0.15 20～40 ±0.20 Ø 0.02 0.02 40 ±0.25 1 D 23 C B 45678 D C B A 12345678 A The third Angle Remark Content modification Version mm ShenZhen VLG Wireless Technology Co,.Ltd Date R:A Pocket Camera 2021.12.17 1/1 WIFI/BT Antenna V1334-285-A-1 Name Material ColorTreatmentAmountRemark 1 1 PI FPC 2 1 1.13mm 3 1 I IPEX P/N Project Material Surface treatmed Outlook treatmed Description Unit Date Draw Review Scale Version RF Review ME Review Cable IPEX Black Black Golden 4.Material can not chang without VLG confirmation. 1."★"is strictiy controued size (must measure grade A)…

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Report No.: SUCR260400038401 Page: 1 of 35 This document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at http://www.sgs.com/en/Terms-and-Conditions and, for electronic format documents, subject to Terms and Conditions for Electronic Documents at http://www.sgs.com/en/Terms-and-Conditions/Terms-e-Document. Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder of this document is advised that information contained hereon reflects the Company’s findings at the time of its intervention only and within the limits of Client’s instructions, if any. The Company’s sole responsibility is to its Client and this document does not exonerate parties to a transaction from exercising all their rights and obligations under the transaction documents. This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 30 days only. Attention: To check the authenticity of testing / inspection report & certificate, please contact us at telephone:(86-755) 8307 1443, or email: [email protected] SAR TEST REPORT Application No.: SUCR2604000384TL Applicant: Hangzhou Accumems Technology Co.，Ltd. Address of Applicant: Room 418-1, Building 2, JinxiuLinglongfu, Xixing Street, Binjiang District, Hangzhou City, Zhejiang Province Manufacturer: Hangzhou Accumems Technology Co.，Ltd. Address of Manufacturer: Room 418-1, Building 2, JinxiuLinglongfu, Xixing Street, Binjiang District, Hangzhou City, Zhejiang Province EUT Description: Pocket Thermal Imager Model No.: TT27D Trade Mark: AccuMEMS FCC ID: 2BTLH-ACCUMEMS5 Standards: FCC 47CFR §2.1093 Date of Receipt: 2026-04-20 Date of Test: 2026-05-11 Date of Issue: 2026-05-13 Test Result : PASS * * In the configuration tested, the EUT detailed in this report complied with the standards specified above. Report No.: SUCR260400038401 Page: 2 of 35 Revision Record Version Description Date Remark 00 Original 2026-05-13 / Authorized for issue by: Prepared By Leon Liu/ Project Engineer Approved By Nick Hu/ Reviewer Report No.: SUCR260400038401 Page: 3 of 35 TEST SUMMARY Frequency Band Maximum Reported SAR(W/kg) Body WI-FI (2.4GHz) 1.06 SAR Limited(W/kg) 1.6 Report No.: SUCR260400038401 Page: 4 of 35 Contents 1 General Information ........................................................................................................ 5 1.1 General Description of EUT ........................................................................................ 5 1.2 Test Specification ....................................................................................................... 6 1.3 RF exposure limits ...................................................................................................... 7 1.4 Test Location .............................................................................................................. 8 1.5 Test Engineer ............................................................................................................. 8 1.6 Test Facility ................................................................................................................ 8 2 Laboratory Environment ................................................................................................. 9 3 SAR Measurements System Configuraion .................................................................. 10 3.1 The SAR Measurement System ................................................................................ 10 3.2 Isotropic E-field Proble EX3DV4 ............................................................................... 12 3.3 Data Acquisition Electronics (DAE) ........................................................................... 13 3.4 SAM Twin Phantom .................................................................................................. 13 3.5 ELI Phantom ............................................................................................................. 14 3.6 Device Holder for Transmitters ................................................................................. 15 3.7 Measurement Procedure .......................................................................................... 16 4 SAR measurement variability and uncertainty ............................................................ 20 4.1 SAR measurement variability .................................................................................... 20 4.2 SAR measurement uncertainty ................................................................................. 20 5 Desciption of Test Position .......................................................................................... 21 5.1 The Body Test Position ............................................................................................. 21 6 SAR System Verificaion Procedure.............................................................................. 22 6.1 Tissue Simulate Liquid .............................................................................................. 22 6.2 SAR System Check .................................................................................................. 24 7 Test Configuration ......................................................................................................... 27 8 Test Result ..................................................................................................................... 31 8.1 DUT Antenna Locations (Back View) ........................................................................ 31 8.2 Measurement of RF Conducted Power ..........…

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` Report No.: SUCR260400038401 Page: 1 of 6 Appendix D Photographs 1. SAR measurement System 2. Photographs of Tissue Simulate Liquid 3. Photographs of EUT test position 4. EUT Antenna Locations 5. EUT Constructional Details ` Report No.: SUCR260400038401 Page: 2 of 6 1. SAR measurement System ` Report No.: SUCR260400038401 Page: 3 of 6 2. Photographs of Tissue Simulate Liquid Photo 1: Tissue Simulant Liquid for HBBL600-10000MHz ` Report No.: SUCR260400038401 Page: 4 of 6 3. Photographs of EUT test position Photo 2: Front side 5mm Photo 3: Back side 5mm Photo 4: Left Side 5mm Photo 5: Right Side 5mm Photo 6: Top Side 5mm Photo 7: Bottom Side 5mm ` Report No.: SUCR260400038401 Page: 5 of 6 4. EUT Antenna Locations ` Report No.: SUCR260400038401 Page: 6 of 6 5. EUT Constructional Details Photo 8: Front View Photo 9: Back View - End of the Appendix -

` ReportNo.:SUCR260400038401 Page: 1 of 21 AppendixC Calibrationcertificate 1.Dipole D2450V2-SN922 2.DAE DAE4-SN1245 3.Probe EX3DV4-SN3923 4.DipoleExtend DipoleD2450V2SN922 HeadLiquid Dateof Measurement Return Loss(dB) Δ% Impedance (Ω) ΔΩ Impedance imaginary （jΩ） ΔjΩ 2023-08-28-24.3/53.2/5.45/ 2024-08-27-24.10.82%52.90.35.230.22 2025-08-26-24.20.41%530.25.290.16 ` ReportNo.:SUCR260400038401 Page: 21 of 21 -EndoftheAppendix-

` ReportNo.:SUCR260400038401 Page: 1 of 3 AppendixB DetailedTestResults 1.WIFI WIFI2.4G Date: 2026/05/11 Test Laboratory: SGS-SAR Lab Wi-Fi 2.4G 802.11b Ch6 Back side 5mm Communication System: UID 0, WI-FI(2.4GHz) (0); Frequency: 2437 MHz;Duty Cycle: 1:1 Medium: HSL2450;Medium parameters used: f = 2437 MHz; σ = 1.753 S/m; ε r = 39.607; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY 5 Configuration: lProbe: EX3DV4 -SN3923; ConvF(7.95, 7.95, 7.95); Calibrated: 2026/01/12 lSensor-Surface: 1.4mm (Mechanical Surface Detection) l Electronics: DAE4 Sn1245; Calibrated: 2025/09/08 lPhantom: SAM 8; Type: SAM; Serial: 1824 l DASY52 52.10.4(1527); SEMCAD X 14.6.14(7483) Configuration/Scan/Area Scan (11x19x1): Measurement grid: dx=12mm, dy=12mm Maximum value of SAR (measured) = 1.24 W/kg Configuration/Scan/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 4.037 V/m; Power Drift = 0.12 dB Peak SAR (extrapolated) = 1.86 W/kg SAR(1 g) = 0.989 W/kg; SAR(10 g) = 0.409 W/kg Smallest distance from peaks to all points 3 dB below = 8 mm Ratio of SAR at M2 to SAR at M1 = 49.4% Maximum value of SAR (measured) = 1.48 W/kg 0 dB = 1.48 W/kg = 1.70 dBW/kg ` ReportNo.:SUCR260400038401 Page: 3 of 3 -EndoftheAppendix-

Hangzhou Accumems Technology Co.,Ltd. U.S. Agent Designation for Service of Process (Applicant and U.S. Agent are Separate Parties) TO: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 ATT ENTION: FCC Certification – Section 2.911(d)(7) Information Designated U. S. Agent Company Name: United Consulting Technology Services Co., Ltd . FRN: 0033495714 Contact Name: Dav id Wu Street Address: 1 7800 CASTLETON ST STE 665 CITY OF INDUSTRY City/Province/Zip: CA 91748 Telephone No: (626) 217-4022 Email: [email protected] This letter is to confirm that we (“the Designated U.S . Agent) have accep ted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d)(7) on behalf of th e Applicant noted below. U.S. Agent Signature: Date:2026-05-21 Signed by ( Printed Name/Title): David Wu/ CEO The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion ofany Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Applicant Company name: Hangzhou Accumems Technology Co.,Ltd. Grantee Code: 2BTLH FRN: 0037731254 FCC ID: 2BTLH-ACCUMEMS5 Contact Name: xu xiaotao Street Address: Room 418-1, Building 2, JinxiuLinglongfu, Xixing Street, Binjiang District City/Province/Zip: Hangzhou, Zhejiang, China, 310051 Telephone No: 15362032896 Email: [email protected] Applicant Signature: Date: 2026-05-21 Signed by (Printed Name/Title): xu xiaotao, chairman

Compliance Certification Services (Kunshan) Inc. Page:…

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