2AWY4STG-6583-KBWireless Charger

Model：STG-6583-KB Model Name： Wireless Charger B.1 Product Description This product is a smart wireless power bank that supports long-distance wireless charging from 0.3 to 0.5 mm. It can be charged wirelessly and is compatible with all devices (smart phones) with a built-in wireless receiver. It features functions such as over-voltage protection, over-current protection, over-temperature protection, short-circuit protection and foreign object detection. The product is widely used in offices, homes, restaurants, conference rooms outdoor, etc. B.2 Instructions for use 1. Before installing the product, it is necessary to clean the installation area. 2.After completing the previous step, connect the power supply. Coordinate the position by using the center circle. The best position is the center of the silicone circle. After adjusting to the best position, mark that position. 3. Place it on top to use, or use it with a data cable. 4. After the alignment is completed, the smartphone with wireless charging function can be charged. 5. Note: When the product is not in use, please turn off the power to avoid excessive/overheating. B.3 Electrical Specifications： Input voltage range 5Vdc±0.5Vdc Rated input voltage 5Vdc Working distance0.3mm-0.5mm Standby loss < 1W Rated input current FCC Caution 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. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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 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 receiver is 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 can be used in portable exposure condition without restriction.

ShenzhenPinjindaElectronicsTechnologyCo.,Ltd. AgentAuthorization Company:ShenzhenPinjindaElectronicsTechnologyCo.,Ltd. Address:Room501,buildingF,131BulanRoad,shanglilangcommunity, Nanwanstreet,LonggangDistrict,Shenzhen,China ProductName:WirelessCharger ModelNumber(s):STG-6583-KB Trademark:N/A FCCID:2AWY4STG-6583-KB WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:2021/7/27 Name:AndyZhang Title:Manager Company:ShenzhenPinjindaElectronicsTechnologyCo.,Ltd.

ShenzhenPinjindaElectronicsTechnologyCo.,Ltd. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:2021/7/27 Subject;RequestforConfidentiality FCCID:2AWY4STG-6583-KB ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram OperationalDescription Inadditionaltoabovementioneddocuments,inordertocomplywiththemarketingregulations inTitle47CFR§2.803andtheimportationrulesinTitle47CFR§2.1204,whileensuringthat businesssensitiveinformationremainsconfidentialuntiltheactualmarketingofnewly authorizeddevices,werequestShortTermConfidentialityofthefollowingattachment(s); UserManual For45days,pursuanttoPublicNoticeDA04-1705. OR For180dayspursuanttoKDB726920D01. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name:AndyZhang Title:Manager

2021/8/25OET Inquiry System Inquiry Tracking Number 776630 https://apps.fcc.gov/oetcf/kdb/forms/ReplyToResponse2.cfm1/2 Search|RSS |Updates |E-Filing |Initiatives |Consumers |Find People Office of Engineering and Technology FCC > FCC E-filing > Inquiry System Home Page > View InquiryFCC Site Map OET Home Page Site Options Basic KDB Search Advanced KDB Search Submit an Inquiry Reply to an Inquiry Response Category List FAQ Search Major Guidance Publications Draft Laboratory Division Publications Draft Laboratory Division Publications (Expired) Draft Publication Moderation Policy Related Sites Equipment Authorization Presentations Equipment Authorization System (EAS) Telecommunications Certification Bodies (TCB) Measurement Procedures Reply to an OET Inquiry Response Currently Displaying Inquiry Tracking Number: 776630 Contact Information: Customer First Name:Kelsey Customer Last Name:Tan Telephone Number: 13410013614 Extension: E-mail Address: [email protected] Address: Line 1: Line 2: P.O. Box: City: State: Zip Code: Country: Inquiry Details on 07/31/2021: First category: RF Exposure * Second category: MPE (RF Exposure) Third category: Subject:Mobile power wireless charging RF Exposure Inquiry:Dear FCC Reviewer; Good day, I am RF engineer of China test labs, I have a project is Mobile power wireless charging. Please see user manual as attached. Maximum WPT output power: 5W According to TCBC Workshop measurement guidance, tested and prepared test report as attached.Please help me check whether RF Exposure Evaluation Report can accept? Waiting for your information. Thanks for your attention! Best Regards! ---Reply from Customer on 07/31/2021--- Please see user manual as attached. FCC Response on 08/05/2021: There are no attachments to this inquiry. ---Reply from Customer on 08/10/2021--- Please check the attachment. FCC Response on 08/12/2021: Can this device be attached to the phone with the use of a magnet or sleeve/clip? ---Reply from Customer on 08/12/2021--- No?it can't attached to the phone with the use of a magnet or sleeve/clip. FCC Response on 08/18/2021: 2021/8/25OET Inquiry System Inquiry Tracking Number 776630 https://apps.fcc.gov/oetcf/kdb/forms/ReplyToResponse2.cfm2/2 The testing performed for this device follows Section 3c on page 3 and is primarily intended for typical desktop applications. Desktop chargers are generally considered mobile devices and under Section 3b provide a separation distance of 20cm or more. This device can be carried by the user and placed in any location and a 20cm separation distance cannot be guaranteed. To ensure this device can be operated at any location by the user, you need to test all four sides and top of the device at a test distance of 0cm, 2cm, 4cm, 6cm, 8cm and 10cm. ---Reply from Customer on 08/19/2021--- The test data of 0cm, 2cm, 4cm, 6cm, 8cm and 10cm have been added in the report. Please check. Thank you. FCC Response on 08/23/2021: For some reason, we are unable to open your 8/19 test report. In any event, since this WPT device is considered portable (not mobile), the TCB is required to submit a PAG filing and FCC staff can review at that time. Attachment List: RF exposure Report User manual Enter any additional comments below: *(This is a text only field. Users will be able to upload attachments after clicking on the "Proceed" button below) Proceed Clear Please use the Submit Inquiry link at www.fcc.gov/labhelp to send any comments or suggestions for this site Federal Communications Commission 45 L Street NE Washington, DC 20554 More FCC Contact Information... Phone: 888-CALL-FCC (225-5322) TTY: 888-TELL-FCC (835-5322) Fax: 202-418-0232 E-mail: [email protected] - Privacy Policy - Web Policies & Notices - Customer Service Standards - Freedom of Information Act

ExternalPhotos

Label&labellocation WirelessCharger FCCID:2AWY4STG-6583-KB

InternalPhotos Antenna

No.：BCTC/RF-EMC-005Page 1 of 23 Edition：A.3 TESTREPORT ShenzhenBCTCTestingCo.,Ltd. ReportNo.: BCTC2106930859-1E Applicant:ShenzhenPinjindaElectronicsTechnologyCo.,Ltd. ProductName:WirelessCharger Model/TypeRef.:STG-6583-KB TestedDate:2021-06-09to2021-06-15 IssuedDate:2021-07-28 ReportNo.:BCTC2106930859-1E No.：BCTC/RF-EMC-005Page 2 of 23 Edition：A.3 FCCID:2AWY4STG-6583-KB Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp.Thisresult(s)showninthisreport referonlytothesample(s)tested.WithoutwrittenapprovalofShenzhenBCTCTestingCo.,Ltd,thisreport can’tbereproducedexceptinfull.Thetestedsample(s)andthesampleinformationareprovidedbythe client. ProductName: WirelessCharger Trademark:N/A Model/TypeRef.:STG-6583-KB PreparedFor:ShenzhenPinjindaElectronicsTechnologyCo.,Ltd. Address: Room501,buildingF,131BulanRoad,shanglilangcommunity, Nanwanstreet,LonggangDistrict,Shenzhen,China Manufacturer:ShenzhenPinjindaElectronicsTechnologyCo.,Ltd. Address: Room501,buildingF,131BulanRoad,shanglilangcommunity, Nanwanstreet,LonggangDistrict,Shenzhen,China PreparedBy:ShenzhenBCTCTestingCo.,Ltd. Address: 1-2/F.,BuildingB,PengzhouIndustrialPark,No.158,Fuyuan1st Road,Tangwei,FuhaiSubdistrict,Bao'anDistrict,Shenzhen, Guangdong,China SampleReceivedDate:2021-06-09 SampletestedDate:2021-06-09to2021-06-15 IssueDate:2021-07-28 ReportNo.: BCTC2106930859-1E TestStandards FCCPart15.209 ANSIC63.10-2013 TestResultsPASS Testedby:Approvedby: KelseyTan/ProjectHandlerZeroZhou/Reviewer ReportNo.:BCTC2106930859-1E No.：BCTC/RF-EMC-005Page 3 of 23 Edition：A.3 TABLEOFCONTENT TestReportDeclarationPage 1.VERSION ........................................................................................................................ 4 2.TESTSUMMARY .......................................................................................................... 5 3.MEASUREMENTUNCERTAINTY ............................................................................. 6 4.PRODUCTINFORMATIONANDTESTSETUP ..................................................... 7 4.1ProductInformation .................................................................................................. 7 4.2TestSetupConfiguration ......................................................................................... 7 4.3SupportEquipment ................................................................................................... 7 4.5TestMode .................................................................................................................. 7 5.TESTFACILITYANDTESTINSTRUMENTUSED ................................................ 9 5.1TestFacility ................................................................................................................ 9 5.2TestInstrumentUsed ............................................................................................... 9 6.CONDUCTEDEMISSIONS ....................................................................................... 11 6.1BlockDiagramOfTestSetup ............................................................................... 11 6.2Limit ........................................................................................................................... 11 6.3Testprocedure ........................................................................................................ 11 6.4EUToperatingConditions ..................................................................................... 11 6.5TestResult ............................................................................................................... 12 7.RADIATEDEMISSIONS ............................................................................................ 14 7.1BlockDiagramOfTestSetup ............................................................................... 14 7.2Limit ........................................................................................................................... 15 7.3Testprocedure ........................................................................................................ 15 7.4TestResult ............................................................................................................... 17 8.EUTPHOTOGRAPHS ................................................................................................ 20 9.EUTTESTSETUPPHOTOGRAPHS ...................................................................... 21 (Note:N/Ameansnotapplicable) ReportNo.:BCTC2106930859-1E No.：BCTC/RF-EMC-005Page 4 of 23 Edition：A.3 1.VERSION ReportNo.IssueDate DescriptionApproved BCTC2106930859-1E2021-07-28OriginalValid ReportNo.:BCTC2106930859-1E No.：BCTC/RF-EMC-005Page 5 of 23 Edition：A.3 2.TESTSUMMARY TheProducthasbeentestedaccordingtothefollowingspecifications: No.TestParameter Clause No Results 1ConductedEmission15.207PASS 2RadiatedEmission15.209PASS 3AntennaRequirement15.203PASS ReportNo.:BCTC2106930859-1E No.：BCTC/RF-EMC-005Page 6 of 23 Edition：A.3 3.MEASUREMENTUNCERTAINTY Whererelevant,thefollowingmeasurementuncertaintylevelshavebeenestimated fortestsperformedontheProductasspecifiedinCISPR16-4-2.Thisuncertainty representsanexpandeduncertaintyexpressedatapproximatelythe95%confidence levelusingacoveragefactorofk=2. No.ItemUncertainty 1 3mchamberRadiatedspurious emission(30MHz-1GHz) U=4.3dB 2ConductedEmission(150kHz-30MHz)U=3.2dB 3humidityuncertaintyU=5.3% 4Temperatureuncertainty U=0.59 °C ReportNo.:BCTC2106930859-1E No.：BCTC/RF-EMC-005Page 7 of 23 Edition：A.3 4.PRODUCTINFORMATIONANDTESTSETUP 4.1ProductInformation Model/TypeRef.: STG-6583-KB Modeldifferences: N/A ProductDescription: WirelessCharger OperationFrequency:115kHz-205kHz Antennainstallation: Inductiveloopcoilantenna Ratings: DC3.7VFrombattery DC5VFromadapter Wireless:5WMax 4.2TestSetupConfiguration SeetestphotographsattachedinEUTTESTSETUPPHOTOGRAPHSfortheactual connectionsbetweenProductandsupportequipment. ConductedEmission/RadiatedSpuriousEmission: 4.3SupportEquipment No.DeviceTypeBrandModelSeriesNo. Data …

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No.：BCTC/RF-EMC-005 Page 1 of 19 Edition：A.3 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2106930859-2E Applicant: Shenzhen Pinjinda Electronics Technology Co., Ltd. Product Name: Wireless Charger Model/Type Ref.: STG-6583-KB Tested Date: 2021-06-09 to 2021-06-15 Issued Date: 2021-08-26 Report No.: BCTC2106930859-2E No.：BCTC/RF-EMC-005 Page 2 of 19 Edition：A.3 FCC ID:2AWY4STG-6583-KB The test report is effective only with both signature and specialized stamp.This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen BCTC Testing Co., Ltd, this report can’t be reproduced except in full.The tested sample(s) and the sample information are provided by the client. Product Name: Wireless Charger Trademark: N/A Model/Type Ref.: STG-6583-KB Prepared For: Shenzhen Pinjinda Electronics Technology Co., Ltd. Address: Room 501, building F, 131 Bulan Road, shanglilang community, Nanwan street, Longgang District, Shenzhen, China Manufacturer: Shenzhen Pinjinda Electronics Technology Co., Ltd. Address: Room 501, building F, 131 Bulan Road, shanglilang community, Nanwan street, Longgang District, Shenzhen, China Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Tangwei, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2021-06-09 Sample tested Date: 2021-06-09 to 2021-06-15 Issue Date: 2021-08-26 Report No.: BCTC2106930859-2E Test Standards FCC CFR 47 part1, 1.1307(b), 1.1310 Test Results PASS Tested by: Approved by: Kelsey Tan/ Project Handler Zero Zhou/Reviewer Report No.: BCTC2106930859-2E No.：BCTC/RF-EMC-005 Page 3 of 19 Edition：A.3 TABLE OF CONTENT Test Report Declaration Page 1. VERSION .......................................................... 4 2. PRODUCT INFORMATION ........................................... 5 2.1 Product Information ................................................ 5 2.2 Support Equipment ................................................ 5 2.3 Test Mode ........................................................ 5 3. TEST FACILITY AND TEST INSTRUMENT USED ....................... 6 3.1 Test Facility ....................................................... 6 3.2 Test Instrument Used .............................................. 6 4. METHOD OF MEASUREMENT ....................................... 7 4.1 Applicable Standard ................................................ 7 4.2 Block Diagram Of Test Setup ........................................ 7 4.3 Limit ............................................................. 8 4.4 Test procedure .................................................... 8 4.5 Equipment Approval Considerations.................................. 9 4.6 E and H field Strength ............................................. 10 5. PHOTOGRAPHS OF TEST SET-UP .................................. 14 (Note: N/A means not applicable) Report No.: BCTC2106930859-2E No.：BCTC/RF-EMC-005 Page 4 of 19 Edition：A.3 1. VERSION Report No. Issue Date Description Approved BCTC2106930859-2E 2021-08-26 Original Valid Report No.: BCTC2106930859-2E No.：BCTC/RF-EMC-005 Page 5 of 19 Edition：A.3 2. PRODUCT INFORMATION 2.1 Product Information Model/Type Ref.: STG-6583-KB Model differences: N/A Product Description: Wireless Charger Operation Frequency: 115kHz-205kHz Antenna installation: Inductive loop coil antenna Ratings: DC 3.7V From battery DC 5V From adapter Wireless:5W Max 2.2 Support Equipment Device Type Brand Model Series No. Data Cable Remark Wireless Charger N/A STG-6583-K B N/A N/A EUT Notes: 1. All the equipment/cables were placed in the worst-case configuration to maximize the emission during the test. 2. Grounding was established in accordance with the manufacturer’s requirements and conditions for the intended use. 2.3 Test Mode Test Modes 1 Charging+wireless 5W Test Modes 2 Wireless 5W Report No.: BCTC2106930859-2E No.：BCTC/RF-EMC-005 Page 6 of 19 Edition：A.3 3. TEST FACILITY AND TEST INSTRUMENT USED 3.1 Test Facility All measurement facilities used to collect the measurement data are located at Shenzhen BCTC Testing Co., Ltd. Address:1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Tangwei, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China. The site and apparatus are constructed in conformance with the requirements of ANSI C63.4 and CISPR 16-1-1 other equivalent standards. FCC Test Firm Registration Number: 712850 IC Registered No.: 23583 3.2 Test Instrument Used Equipment Manufacturer Model No. Serial No. Last Cal. Next Cal. Exposure Level Tester Narda ELT-400 N-0231 Jul. 15, 2020 Jul. 14, 2021 Magnetic field probe 100cm2 Narda B-Field Probe 100cm2 M0675 Jul. 15, 2020 Jul. 14, 2021 843 Chamber ETS 843 84301 Aug. 27, 2020 Aug. 26, 2023 Report No.: BCTC2106930859-2E No.：BCTC/RF-EMC-005 Page 7 of 19 Edition：A.3 4. METHOD OF MEASUREMENT 4.1 Applicable Standard According to §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. According to §1.1310 and §2.1093 RF exposure is calculated. According KDB680106 D01v03: RF Exposure Wireless Charging Apps v02. 4.2 Block Diagram Of Test Setup Note: Measurements should be made from all sides and the top of the primary/client pair, with the 15 cm measured from the center of the probe(s) to the edge of the device Report No.: BCTC2106930859-2E No.：BCTC/RF-EMC-005 Page 8 of 19 Edition：A.3 4.3 Limit 4.4 Test procedure a) The RF exposure test was performed on 360 degree turn table in anechoic chamber. b) The measurement probe was placed at test distance (15cm) which is between the edge of the charger and the geometric centre of probe. c) The turn table was rotated 360d degree to search of highest strength. d) The highest emission level was recorded and compared with limit as soon as measur…

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ReportNo.:BCTC2106930859-1E No.：BCTC/RF-EMC-005Page 21 of 23 Edition：A.3 9.EUTTESTSETUPPHOTOGRAPHS Conductedemissions RadiatedMeasurementPhotos ReportNo.:BCTC2106930859-1E No.：BCTC/RF-EMC-005Page 22 of 23 Edition：A.3 ReportNo.:BCTC2106930859-2E No.：BCTC/RF-EMC-005Page 12 of 17 Edition：A.3 5.PHOTOGRAPHSOFTESTSET-UP 15cm 15cm ReportNo.:BCTC2106930859-2E No.：BCTC/RF-EMC-005Page 13 of 17 Edition：A.3 15cm 15cm ReportNo.:BCTC2106930859-2E No.：BCTC/RF-EMC-005Page 14 of 17 Edition：A.3 20cm 0cm ReportNo.:BCTC2106930859-2E No.：BCTC/RF-EMC-005Page 15 of 17 Edition：A.3 0cm 0cm ReportNo.:BCTC2106930859-2E No.：BCTC/RF-EMC-005Page 16 of 17 Edition：A.3 0cm 0cm