2AV2J-DBPADGO1Smart Screen Machine

ShenzhenDangsScienceandTechnologyCo.,Ltd Section2.911(d)(5)(i)Certification–EquipmentType Companyname:ShenzhenDangsScienceandTechnologyCo.,Ltd Address:901,GDCBuilding,GaoxinMid3ndRoad,MalingCommunity,YuehaiSub-district, NanshanDistrict,Shenzhen,China ProductName:SmartScreenMachine FCCID:2AV2J-DBPADGO1 Model(s):DBPADGO1,DB*******("*"canbe0-9,A-Z,a-z,orblankforthemarketingpurpose,only differentmodeldesignationsonthemarkingplatefordifferentmarkets.Nosafetyconcern) 2.911(d)(5)(i)EquipmentType We,[ShenzhenDangsScienceandTechnologyCo.,Ltd]certifythattheequipmentforwhich authorizationissoughtthroughcertificationisnot:  Prohibitedfromreceivinganequipmentauthorizationpursuantto§2.903;oftheFCCrules.  Identifiedasanequipmenttypeinthe“CoveredList” NOTE1 Yourssincerely, Signature: Name:LibingZhangDate:2024-03-28 TitleandCompanyname:EMC&PEandShenzhenDangsScienceandTechnologyCo.,Ltd NOTE1 “CoveredList”;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

ShenzhenDangsScienceandTechnologyCo.,Ltd Section2.911(d)(5)(ii)Certification–Applicant(CoveredList) Companyname:ShenzhenDangsScienceandTechnologyCo.,Ltd Address:901,GDCBuilding,GaoxinMid3ndRoad,MalingCommunity,YuehaiSub-district, NanshanDistrict,Shenzhen,China ProductName:SmartScreenMachine FCCID:2AV2J-DBPADGO1 Model(s):DBPADGO1,DB*******("*"canbe0-9,A-Z,a-z,orblankforthemarketingpurpose,only differentmodeldesignationsonthemarkingplatefordifferentmarkets.Nosafetyconcern) 2.911(d)(5)(ii)Applicantfiling We,[ShenzhenDangsScienceandTechnologyCo.,Ltd]certifythat,asofthedateofthefilingofthe application,theapplicantisnotidentified NOTE1 onthe“CoveredList” NOTE2 ,establishedpursuantto §1.50002ofthischapter,asanentityproducingcoveredcommunicationsequipment. Yourssincerely, Signature: Name:LibingZhangDate:2024-03-28 TitleandCompanyname:EMC&PEandShenzhenDangsScienceandTechnologyCo.,Ltd NOTE1 Deleteoptionnotapplicabletothisapplication. NOTE2 “CoveredList”;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

ShenzhenDangsScienceandTechnologyCo.,Ltd AgentAuthorization Company:ShenzhenDangsScienceandTechnologyCo.,Ltd Address:901,GDCBuilding,GaoxinMid3ndRoad,MalingCommunity,Yuehai Sub-district,NanshanDistrict,Shenzhen,China ProductName:SmartScreenMachine ModelNumber(s):DBPADGO1,DB*******("*"canbe0-9,A-Z,a-z,orblankforthe marketingpurpose,onlydifferentmodeldesignationsonthemarkingplatefor differentmarkets.Nosafetyconcern) ProductDescription:SmartScreenMachine WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:2024-03-28 Name:LibingZhang Title:EMC&PE Company:ShenzhenDangsScienceandTechnologyCo.,Ltd

DifferencesDeclaration Towhomconcern, WecompanyShenzhenDangsScienceandTechnologyCo., Ltdherebydeclares:TheproductmodelsDBPADGO1, DB*******("*"canbe0-9,A-Z,a-z,orblankforthemarketing purpose,onlydifferentmodeldesignationsonthemarking platefordifferentmarkets.Nosafetyconcern)areidenticalin thesamePCBlayout,interiorstructureandelectricalcircuits, Thedifferencesareappearancecolorandmodelnamefor commercialpurpose. Authorizedsignature: Name:LibingZhang Date:2024-03-28

<ShenzhenDangsScienceandTechnologyCo.,Ltd> OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:2024-03-28 Subject;RequestforLongTermConfidentiality FCCID:2AV2J-DBPADGO1 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram OperationalDescription FCCSoftwareSecurityRequirementsforUNIIdevices PursuanttoPublicNoticeDA04-1705oftheCommission'spolicy,inordertocomplywiththe marketingregulationsin47CFT§2.803andtheimportationrulesin47CFR§2.1204,while ensuringthatbusinesssensitiveinformationremainsconfidentialuntiltheactualmarketingof newlyauthorizeddevices,werequestShortTermConfidentialityofthefollowingattachment(s); ExternalPhotos TestSetupPhotos InternalPhotos UserManual For45days,pursuanttoPublicNoticeDA04-1705. OR For180dayspursuanttoKDB726920D01. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name:LibingZhang Title:EMC&PE

ShenzhenDangsScienceandTechnologyCo.,Ltd FCCSoftwareConfigurationControlDeclaration FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Attn:OETDept. Product/ModelNumber:SmartScreenMachine/DBPADGO1,DB*******("*"canbe0-9, A-Z,a-z,orblankforthemarketingpurpose,onlydifferentmodeldesignationsonthe markingplatefordifferentmarkets.Nosafetyconcern) RegardingFCCCountryCodeSelectionguidelinesidentifiedinKDB594280D01V02r01. “Allapplicationsforequipmentauthorizationfortransmittersthatcanhaveradio parameters,orothertechnicalparameters,reportedtotheCommissionsetbysoftware musthaveanattestationindicatingthatnothirdpartywillhavesoftware,orconfiguration control,toprogramthedeviceoutofcomplianceofthetechnicalrulesunderwhichithas beencertified.” Wedeclarethatnothirdpartywillhavesoftware,orconfigurationcontrol,toprogramthedevice outofcomplianceofthetechnicalrulesunderwhichithasbeencertified. Name:LibingZhangDate:2024-03-28 Title:EMC&PE Signatureofapplicant:

Product name/製品名:Smart screen machine Model/番号:DBPADGO1 Input/入力:19.0V 4.74A USB Output/USB 出力:5V 1A Battery capacity/電池容量:9500mAh IC:27636-DBPADGO1 FCC ID:2AV2J-DBPADGO1 Manufacturer/メーカー:Shenzhen Dangs Science and Technology Co., Ltd. 210-231131 Dangbei Japan株式会社 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, and(2)This device must accept any interference received, including interference that may cause undesired operation.

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FCC ID: 2AV2J-DBPADGO1 RF Exposure Evaluation Limits The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in 1.1307(b) Limits for Maximum Permissible Exposure (MPE) Frequency range (MHz) Electric field strength (V/m) Magnetic field strength (A/m) Power density (mW/cm 2 ) Averaging time (minutes) (A) Limits for Occupational/Controlled Exposures 0.3–3.0 614 1.63 *(100) 6 3.0–30 1842/f 4.89/f *(900/f 2 ) 6 30–300 61.4 0.163 1.0 6 300–1500 f/300 6 1500–100,000 5 6 (B) Limits for General Population/Uncontrolled Exposure 0.3–1.34 614 1.63 *(100) 30 1.34–30 824/f 2.19/f *(180/f 2 ) 30 30–300 27.5 0.073 0.2 30 300–1500 f/1500 30 1500–100,000 1.0 30 f = frequency in MHz Friis transmission formula: Pd = (Pout*G)/(4*pi*r 2 ) Where Pd = power density in mW/cm 2 , Pout = output power to antenna in mW; G = gain of antenna in linear scale, Pi = 3.1416; R = distance between observation point and center of the radiator in cm Pd id the limit of MPE, 1 mW/cm 2 . If we know the maximum gain of the antenna and the total power input to the antenna, through the calculation, we will know the distance r where the MPE limit is reached. Test Procedure Software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. Test Result of RF Exposure Evaluation Band Frequency Max output power (dBm) Output power (mW) Antenna gain (dBi) Power Density at R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Verdict BT EDR 2402MHz 6.06 4.04 5.7 0.00299 1.0 PASS BLE 2402MHz 4.75 2.99 5.7 0.00221 1.0 2.4G WIFI 2437MHz ANT 1 10.69 11.72 7.3 0.01252 1.0 2412MHz MIMO 12.34 17.14 10.41 0.03747 1.0 5.2G WIFI 5180MHz ANT 1 12.26 16.83 5.9 0.01302 1.0 5190MHz MIMO 8.49 7.06 9.48 0.01246 1.0 5.3G WIFI 5290MHz ANT 1 12.41 17.42 5.9 0.01348 1.0 5270MHz MIMO 8.56 7.18 9.37 0.01235 1.0 5.6G WIFI 5580MHz ANT 2 11.12 12.94 7.1 0.01321 1.0 5670MHz MIMO 7.89 6.15 10.31 0.01314 1.0 5.8G WIFI 5755MHz ANT 2 10.83 12.11 7.4 0.01325 1.0 5795MHz MIMO 6.95 4.95 10.98 0.01235 1.0 Remark: Directional gain=10log [(10 ANT1/20 +10 ANT2/20 ) 2 /2]dBi BT and WIFI Simultaneous Transmission: BT EDR + 2.4G WIFI +5.3G WIFI =(0.00299/1)+(0.03747/1) +(0.01348/1)=0.05394<1 The max power density is less than MPE exempt limit, so it is compliance.

DC 6 REV. E 4 5 3 2 1 CDE 7 8 DESCRIPTION DATE B B A 8 6 7 5 4 A 1 2 3 A WIFI Antenna L=395.0mm MHF YJL01.102.023.301A B 天线规格 Antenna Specification Electrical Properties Frequency 2.4-2.5GHz 5.15-5.85GHz Impedance50 Ohm Nominal V.S.W.R2.0 Max Gain WiFi1: 7.3 [email protected] 8.855 dBi@[email protected] 5.85GHz85GHz WiFi2: 7.5 [email protected] 7.4 [email protected] RadiationOmni-directional PolarizationLinearPolarizationLinear Physical Properties Connector 1代IPEX Cable Type O.D.1.13mm低损耗 Cable Length395mm Cable ColorBlack add：东莞市长安镇沙头社区木鱼路59号元富工业区Tel:0769-82586086 Fax:0769-82586086 Cable ColorBlack Operating Temp.-40 ~ +85 ̊C Storage Temp / Humidity 25±5 ̊C / <70% Aggilent E5071C S ParameterParameter Test // WiFi1 Antenna add：东莞市长安镇沙头社区木鱼路59号元富工业区Tel:0769-82586086 Fax:0769-82586086 Aggilent E5071C S ParameterParameter Test // WiFi2 Antenna add：东莞市长安镇沙头社区木鱼路59号元富工业区Tel:0769-82586086 Fax:0769-82586086 Antenna Passive TestAntenna Passive Te s t Z Y XX Z Y X add：东莞市长安镇沙头社区木鱼路59号元富工业区Tel:0769-82586086 Fax:0769-82586086 Passiv e Test For WiFi1 Antenna(2.4G) FreqEffiEffiGain (MHz)(%)(dB)(dBi) 2400 59.7-2.27.1 2410 61.9-2.17.2 2420 62.5-2.07.3 2430 61.8-2.17.3 2440 62.5-2.07.3 2450 62.8-2.07.2 2460 61.7-2.17.2 2470 60.7-2.27.0 2480 60.3-2.26.9 add：东莞市长安镇沙头社区木鱼路59号元富工业区Tel:0769-82586086 Fax:0769-82586086 2490 59.7-2.26.7 2500 57.7-2.46.2 Passiv e Test For WiFi1 Antenna(5.8G) FreqEffiEffiGain (MHz)(%)(dB)(dBi) 5150 56.6-2.56.1 5200 53.1-2.85.8 5250 52 72859 5250 52.7-2.85.9 5300 56.1-2.55.9 5350 53.5-2.75.0 5400 52.7-2.85.8 5450 48.3-3.26.0 5500 47.0-3.36.4 5550 57.2-2.47.5 5600 52.6-2.87.3 5650 46.9-3.36.9 5700 44.3-3.56.6 5750 50 03074 add：东莞市长安镇沙头社区木鱼路59号元富工业区Tel:0769-82586086 Fax:0769-82586086 5750 50.0-3.07.4 5800 52.4-2.88.3 5850 49.3-3.18.5 Passiv e Test For WiFi2 Antenna(2.4G) FreqEffiEffiGain (MHz)(%)(dB)(dBi) 2400 62.7-2.07.4 2410 63.0-2.07.5 2420 60.5-2.27.4 2430 57.9-2.47.1 2440 57.7-2.47.0 2450 57.3-2.46.9 2460 55.5-2.66.6 2470 55.0-2.66.3 2480 54.6-2.65.8 add：东莞市长安镇沙头社区木鱼路59号元富工业区Tel:0769-82586086 Fax:0769-82586086 2490 54.1-2.75.8 2500 52.1-2.86.0 Passiv e Test For WiFi2 Antenna(5.8G) FreqEffiEffiGain (MHz)(%)(dB)(dBi) 5150 57.9-2.47.0 5200 53.9-2.76.6 5250 54 12765 5250 54.1-2.76.5 5300 56.8-2.56.8 5350 55.2-2.66.6 5400 54.9-2.67.0 5450 49.6-3.06.4 5500 46.6-3.36.4 5550 53.7-2.77.4 5600 49.1-3.17.1 5650 44.0-3.66.7 5700 41.4-3.86.4 5750 44 03670 add：东莞市长安镇沙头社区木鱼路59号元富工业区Tel:0769-82586086 Fax:0769-82586086 5750 44.0-3.67.0 5800 46.2-3.47.4 5850 44.1-3.67.0 Radiation Pattern For WiFi1 Antenna(2.4G) add：东莞市长安镇沙头社区木鱼路59号元富工业区Tel:0769-82586086 Fax:0769-82586086 Radiation Pattern For WiFi1 Antenna(5.8G) add：东莞市长安镇沙头社区木鱼路59号元富工业区Tel:0769-82586086 Fax:0769-82586086 Radiation Pattern For WiFi1 Antenna Phi 0° Phi 90° Theta 90° add：东莞市长安镇沙头社区木鱼路59号元富工业区Tel:0769-82586086 Fax:0769-82586086 eta90 Radiation Pattern For WiFi2 Antenna(2.4G) add：东莞市长安镇沙头社区木鱼路59号元富工业区Tel:0769-82586086 Fax:0769-82586086 Radiation Pattern For WiFi2 Antenna(5.8G) add：东莞市长安镇沙头社区木鱼路59号元富工业区Tel:0769-82586086 Fax:0769-82586086 Radiation Pattern For WiFi2 Antenna Phi 0° Phi 90° Theta 90° add：东莞市长安镇沙头社区木鱼路59号元富工业区Tel:0769-82586086 Fax:0769-82586086 eta90 Active Test For WiFi Antenna Band Channel Data Rate TRP EIRP Data Rate TIS EIS WIFI 2.4G 802.11b 1 11Mbps 16.024.8 11Mbps -85.0-92.7 7 16.525.5-83.8-92.0 13 15.424.7-83.6-92.1 WIFI 2.4G 802.11g 1 54Mbps 14.321.4 54Mbps -75.5-82.7 7 13.921.2-74.7-81.1 13 13.421.3-74.2-80.7 WIFI 2.4G 802.11n 1 65Mbps 16.222.7 65Mbps -71.6-78.6 7 16.022.4-69.6-76.4 13 14.921.1-70.0-76.8 WIFI 5G 802.11a 149 54Mbps 14.921.0 54Mbps -75.0-85.7 157 15.021.0-74.9-85.8 165 14.720.5-74.2-85.3 Isolation TestIsolation Te s t Agilent E5071C S Parameter TeTesstt //// WiFi1 & BT Antenna add：东莞市长安镇沙头社区木鱼路59号元富工业区Tel:0769-82586086 Fax:0769-82586086 Agilent E5071C S Parameter TeTesstt //// WiFi2 & BT Antenna add：东莞市长安镇沙头社区木鱼路59号元富工业区Tel:0769-82586086 Fax:0769-82586086 Agilent E5071C S Parameter TeTesstt //// WiFi1 & WiFi2 Antenna add：东莞市长安镇沙头社区木鱼路59号元富工业区Tel:0769-82586086 Fax:0769-82586086 DeviceDevice add：东莞市长安镇沙头社区木鱼路59号元富工业区Tel:0769-82586086 Fax:0769-82586086 Antenna WiFi1 add：东莞市长安镇沙头社区木鱼路59号元富工业区Tel:0769-82586086 Fax:0769-82586086 Antenna WiFi2 add：东莞市长安镇沙头社区木鱼路59号元富工业区Tel:0769-82586086 Fax:0769-82586086 add：东莞市长安镇沙头社区木鱼路59号元富工业区Tel:0769-82586086 Fax:0769-82586086 WiFiAntennaBT Antenna 线缆固定 add：东莞市长安镇沙头社区木鱼路59号元富工业区Tel:0769-82586086 Fax:0769-82586086 线缆固定 add：东莞市长安镇沙头社区木鱼路59号元富工业区Tel:0769-82586086 Fax:0769-82586086

Global United Technology Services Co., Ltd. Report No.: GTS2024020066F06 Authorized Signature: Robinson Luo Laboratory Manager This results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Page 1 of 20 TEST REPORT Applicant: Shenzhen Dangs Science and Technology Co., Ltd Address of Applicant: 901, GDC Building, Gaoxin Mid 3nd Road, Maling Community, Yuehai Sub-district, Nanshan District, Shenzhen 518057, China Manufacturer: Shenzhen Dangs Science and Technology Co., Ltd Address of Manufacturer: 901, GDC Building, Gaoxin Mid 3nd Road, Maling Community, Yuehai Sub-district, Nanshan District, Shenzhen 518057, China Factory: HUIZHOU KTC TECHNOLOGY CO.,LTD Address of Factory: NO.38 GUANGTAI ROAD,HUINAN HI-TECH INDUSTRIAL PARK,HUIZHOU,CHINA Equipment Under Test (EUT) Product Name: Smart Screen Machine Model No.: DBPADGO1, DB******* ("*"can be 0-9, A-Z, a-z, or blank for the marketing purpose, only different model designations on the marking plate for different markets. No safety concern) Trade Mark: FCC ID: 2AV2J-DBPADGO1 Applicable standards: 47 CFR Part 15.407 Date of sample receipt: February 29, 2024 Date of Test: March 01-25, 2024 Date of report issued: March 26, 2024 Test Result : PASS * * In the configuration tested, the EUT complied with the standards specified above. Report No.: GTS2024020066F06 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 2 of 20 2 Version Version No. Date Description 00 March 26, 2024 Original Prepared By: Date: March 26, 2024 Project Engineer Check By: Date: March 26, 2024 Reviewer Report No.: GTS2024020066F06 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 3 of 20 3 Contents Page 1 COVER PAGE ................................................................................................................................................ 1 2 VERSION ........................................................................................................................................................ 2 3 CONTENTS .................................................................................................................................................... 3 4 TEST SUMMARY ........................................................................................................................................... 4 5 GENERAL INFORMATION ............................................................................................................................ 5 5.1 GENERAL DESCRIPTION OF EUT ............................................................................................................... 5 5.2 CARRIER FREQUENCY AND CHANNEL ........................................................................................................ 6 5.3 TEST FACILITY .......................................................................................................................................... 7 5.4 TEST LOCATION ....................................................................................................................................... 7 5.5 DESCRIPTION OF SUPPORT UNITS ............................................................................................................. 7 5.6 DEVIATION FROM STANDARDS ................................................................................................................... 7 5.7 ABNORMALITIES FROM STANDARD CONDITIONS ......................................................................................... 7 5.8 ADDITIONAL INSTRUCTIONS ....................................................................................................................... 7 6 TEST INSTRUMENTS LIST ........................................................................................................................... 8 7 TEST CONFIGURATION OF EQUIPMENT UNDER TEST .......................................................................... 9 7.1 TEST SETUP ............................................................................................................................................. 9 7.2 DFS DETECTION THRESHOLDS FOR MASTER DEVICES AND CLIENT DEVICES WITH RADAR DETECTION ...... 10 8 REQUIREMENTS AND PARAMETERS FOR DFS TEST .......................................................................... 11 8.1 APPLICABILITY OF DFS REQUIREMENTS .................................................................................................. 11 8.2 DFS RESPONSE REQUIREMENT VALUES .................................................................................................. 12 8.3 SHORT PULSE RADAR TEST WAVEFORMS ............................................................................................... 13 8.4 LONG PULSE RADAR TEST WAVEFORM ................................................................................................... 14 8.5 FREQUENCY HOPPING RADAR TEST WAVEFORM ..................................................................................... 14 9 DFS TEST RESULTS ................................................................................................................................... 15 9.1 IN-SERVICE MONITORING: CHANNEL MOVE TIME, CHANNEL CLOSING TRANSMISSION TIME AND NON- OCCUPANCY PERIOD ........................................................................................................................................... 15 9.1.1 Limit of In-S…

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Global United Technology Services Co., Ltd. Report No.: GTS2024020066F04 Authorized Signature: Robinson Luo Laboratory Manager This results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Page 1 of 45 TEST REPORT Applicant: Shenzhen Dangs Science and Technology Co., Ltd Address of Applicant: 901, GDC Building, Gaoxin Mid 3nd Road, Maling Community, Yuehai Sub-district, Nanshan District, Shenzhen 518057, China Manufacturer: Shenzhen Dangs Science and Technology Co., Ltd Address of Manufacturer: 901, GDC Building, Gaoxin Mid 3nd Road, Maling Community, Yuehai Sub-district, Nanshan District, Shenzhen 518057, China Factory: HUIZHOU KTC TECHNOLOGY CO.,LTD Address of Factory: NO.38 GUANGTAI ROAD,HUINAN HI-TECH INDUSTRIAL PARK,HUIZHOU,CHINA Equipment Under Test (EUT) Product Name: Smart Screen Machine Model No.: DBPADGO1, DB******* ("*"can be 0-9, A-Z, a-z, or blank for the marketing purpose, only different model designations on the marking plate for different markets. No safety concern) Trade Mark: FCC ID: 2AV2J-DBPADGO1 Applicable standards: FCC CFR Title 47 Part 15 Subpart E Section 15.407 Date of sample receipt: February 29, 2024 Date of Test: March 01-25, 2024 Date of report issue: March 26, 2024 Test Result : PASS * * In the configuration tested, the EUT complied with the standards specified above. Report No.: GTS2024020066F04 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 2 of 45 2 Version Version No. Date Description 00 March 26, 2024 Original Prepared By: Date: March 26, 2024 Project Engineer Check By: Date: March 26, 2024 Reviewer Report No.: GTS2024020066F04 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 3 of 45 3 Contents Page 1 COVER PAGE ........................................................................................................................................... 1 2 VERSION .................................................................................................................................................. 2 3 CONTENTS .............................................................................................................................................. 3 4 TEST SUMMARY ..................................................................................................................................... 4 4.1 MEASUREMENT UNCERTAINTY ............................................................................................................. 4 5 GENERAL INFORMATION ...................................................................................................................... 5 5.1 GENERAL DESCRIPTION OF EUT ......................................................................................................... 5 5.2 TEST MODE ........................................................................................................................................ 7 5.3 TEST FACILITY .................................................................................................................................... 7 5.4 TEST LOCATION .................................................................................................................................. 7 5.5 DESCRIPTION OF SUPPORT UNITS ....................................................................................................... 7 5.6 DEVIATION FROM STANDARDS ............................................................................................................. 7 5.7 ADDITIONAL INSTRUCTIONS ................................................................................................................. 7 6 TEST INSTRUMENTS LIST ..................................................................................................................... 8 7 TEST RESULTS AND MEASUREMENT DATA .................................................................................... 10 7.1 ANTENNA REQUIREMENT: .................................................................................................................. 10 7.2 CONDUCTED EMISSIONS ................................................................................................................... 11 7.3 EMISSION BANDWIDTH ...................................................................................................................... 14 7.4 MAXIMUM CONDUCTED OUTPUT POWER ............................................................................................ 15 7.5 POWER SPECTRAL DENSITY .............................................................................................................. 16 7.6 BAND EDGE ...................................................................................................................................... 17 7.7 RADIATED EMISSION ......................................................................................................................... 28 7.8 FREQUENCY STABILITY ...................................................................................................................... 43 8 TEST SETUP PHOTO ............................................................................................................................ 45 9 EUT CONSTRUCTIONAL DETAILS ..................................................................................................... 45 Report No.: GTS2024020066F04 Global United Technology Services Co., Ltd. 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Global United Technology Services Co., Ltd. Report No.: GTS2024020066F05 Authorized Signature: Robinson Luo Laboratory Manager This results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Page 1 of 39 TEST REPORT Applicant: Shenzhen Dangs Science and Technology Co., Ltd Address of Applicant: 901, GDC Building, Gaoxin Mid 3nd Road, Maling Community, Yuehai Sub-district, Nanshan District, Shenzhen 518057, China Manufacturer: Shenzhen Dangs Science and Technology Co., Ltd Address of Manufacturer: 901, GDC Building, Gaoxin Mid 3nd Road, Maling Community, Yuehai Sub-district, Nanshan District, Shenzhen 518057, China Factory: HUIZHOU KTC TECHNOLOGY CO.,LTD Address of Factory: NO.38 GUANGTAI ROAD,HUINAN HI-TECH INDUSTRIAL PARK,HUIZHOU,CHINA Equipment Under Test (EUT) Product Name: Smart Screen Machine Model No.: DBPADGO1, DB******* ("*"can be 0-9, A-Z, a-z, or blank for the marketing purpose, only different model designations on the marking plate for different markets. No safety concern) Trade Mark: FCC ID: 2AV2J-DBPADGO1 Applicable standards: FCC CFR Title 47 Part 15 Subpart E Section 15.407 Date of sample receipt: February 29, 2024 Date of Test: March 01-25, 2024 Date of report issued: March 26, 2024 Test Result : PASS * * In the configuration tested, the EUT complied with the standards specified above. Report No.: GTS2024020066F05 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 2 of 39 2 Version Version No. Date Description 00 March 26, 2024 Original Prepared By: Date: March 26, 2024 Project Engineer Check By: Date: March 26, 2024 Reviewer Report No.: GTS2024020066F05 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 3 of 39 3 Contents Page 1 COVER PAGE ........................................................................................................................................... 1 2 VERSION .................................................................................................................................................. 2 3 CONTENTS .............................................................................................................................................. 3 4 TEST SUMMARY ..................................................................................................................................... 4 4.1 MEASUREMENT UNCERTAINTY ............................................................................................................ 4 5 GENERAL INFORMATION ...................................................................................................................... 5 5.1 GENERAL DESCRIPTION OF EUT ......................................................................................................... 5 5.2 TEST MODE ........................................................................................................................................ 7 5.3 DESCRIPTION OF SUPPORT UNITS ....................................................................................................... 7 5.4 TEST FACILITY .................................................................................................................................... 7 5.5 TEST LOCATION ...........................................................…

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