SL7-TD19Miffy EarBuds

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Attestation Statement. Old Code: C5266091 24 New Code: 00015544 Ed.3 Change reason: FRN is added to the Applicant information section. 1/1 TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 The Commission adopted rules that prohibit equipment authorization for “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List 1 , which is periodically updated. See the Covered List for more details. This Attestation Statement is to confirm that we follow the Section 2.911(d)(5)(i)-(ii) Applicant Company name: Shenzhen Baojia Battery Technology Co.,Ltd. Grantee code: SL7 FCC ID: SL7-TD19 FRN: 0022551055 Contact Name: Eddie TSANG Address: Block A, Yonghe Road, Tongfuyu Industrial Zone, Heping, Fuyong, Baoan, Shenzhen, 518103, China Telephone No: +86 755 2758 1378 Fax No: Email: [email protected] [ Shenzhen Baojia Battery Technology Co.,Ltd. ] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. The applicant must sign this certification. i. [ Shenzhen Baojia Battery Technology Co.,Ltd. ] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant [is not] (as a specifically named entity or any of its subsidiaries or affiliates) identified on the Covered List as an entity producing “covered” equipment. The applicant must sign this certification. [ Shenzhen Baojia Battery Technology Co.,Ltd. ] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant [is not] identified on the Covered List as an entity producing “covered” equipment . Date: 2026-07-31 Applicant’s Name: Eddie TSANG Title: Project Director Signature 1 The Commission’s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist

Shenzhen Baojia Battery Technology Co.,Ltd. Code 00018768 Ed. 1 Item 1. The device is able to install software/program installation? ☐ Yes, go to Item 2. ☒ No. In this case, the rest of the items do not apply. The device cannot support installation of Kaspersky cybersecurity or anti-virus software. Item 2. Technical Requirements for Kaspersky Cybersecurity Software: # General Requirements (For all Devices) Yes / No or N/A Comments 1 Internet connection for activation and updates (For all Operating Systems) N/A # General Requirements (For Windows Devices) Yes / No or N/A Comments 1 Storage: 1500 MB free space on the hard drive N/A Device Miffy EarBuds Company name Shenzhen Baojia Battery Technology Co.,Ltd. Grantee code SL7 FCC ID SL7-TD19 FRN 0022551055 Contact name Eddie TSANG Address Block A, Yonghe Road, Tongfuyu Industrial Zone, Heping, Fuyong, Baoan, Shenzhen, 518103, china Telephone number +86 755 2758 1378 E-mail [email protected] Chipset/module information AB5656C3 Operating System (if applicable) None Storage Capacity (hard drive or other permanent memory storage, if applicable) None 2 2 Operating System: Microsoft Windows 8, 8.1, 10 & 11 Home / Pro / Enterprise Microsoft Windows 7 Starter / Home Basic & Premium / Professional / Ultimate SP1 or higher N/A 3 Processor: 1 GHz or higher (x86 or x64) N/A 4 Memory (RAM)1 GB (32-bit) or 2 GB (64-bit) N/A 5 Screen Resolution: Minimum resolution of 1024 x 768 N/A # General Requirements (For macOS devices) Yes / No or N/A Comments 1 Operating System macOS® 13 – 14 N/A 2 Memory (RAM)4 GB N/A 3 Storage: 3455 MB free space on the hard drive N/A # General Requirements (For Android Devices) Yes / No or N/A Comments 1 Storage: 150 MB free space N/A 2 Operating System: Android™ 10 – 14 N/A 3 Screen Resolution: Minimum resolution of 320 x 480 N/A # General Requirements (for iOS devices) Yes / No or N/A Comments 1 Storage: 150 MB free space N/A 2 Operating System: iOS® 17 N/A # General Requirements (For Linux system) Yes / No or N/A Comments 1 Hard drive: 1 GB of free space N/A 2 CPU: Intel Pentium 1 GHz or higher 3 3 RAM: 1 GB 4 Minimum software requirements: AlmaLinux OS 8 or later; AlterOS 7.5 or later; Astra Linux Common Edition 2.12 or later; CentOS 6.7 or later; Debian GNU/Linux 10.0 or later; EulerOS 2.0 or later; Oracle Linux 7.3 or later ; Red Hat Enterprise Linux 6.7 or later ; Rocky Linux 8.5 or later ; SUSE Linux Enterprise Server 12.5 or later; Ubuntu 12.04 or later ; Uncom OS Home / Business / Education / Enterprise 2.2 or later; ALT Linux Workstaton / Workstation K / Server / Education 8 or later; ROSA Linux Workstation / Server 12 or later ; RED OS 7.3 and later ; After reviewed the technical requirements, is the device capable of supporting the installation of Kaspersky software? ☐ Yes, go to Item 3. ☒ No. In this case, the rest of the items do not apply. The device cannot support installation of Kaspersky software Item 3. Connectivity Capabilities: # Physical Interface Purpose Justification 1 1 The justification field is used to justify why the software cannot be received through that interface. Check the annex for more indications. 4 1 # Wireless Interface Purpose Justification 1 1 After the review of this items, the device: ☒ Cannot support installation of any cybersecurity or anti-virus software on the covered list. ☐ Potentially can operate with any cybersecurity or anti-virus software on the covered list – additional third- party proof is provided to demonstrate compliance with requirements as of 2.911(d)5(i),(ii) – “Proof of Compliance with Covered List Software Requirements” of this document applies Signature: Name: Eddie TSANG Date: 2026-7-31

TCBCALLpágina1 FileFCCID:SL7-TD19 PleaseuploadanexhibitthatexplainshowdoestheTCBverifythenewagentinformation: 1-IstheaddressoftheagentavalidphysicalUSmailingaddress(notaUSpostofficebox,notavirtualmailbox,notP.O.Boxes,notavacantlot,notapublicbuilding, etc.) ○Wehavecheckediftheaddressexistsinarealandpotentialbuilding(Googlemaps)+officialUSregister,afterthisverificationandtheevidencebelowwecan guaranteethefollowing: notaUSpostofficebox notavirtualmailbox notP.O.Boxes notavacantlot notapublicbuilding(note) ►WecheckedtheFCCFRNSearchbasedontheinformationprovidedbythegrantee. Ontheofficialregisterfrom:https://bizfileonline.sos.ca.gov/search/business TCBCALLpágina2 TCBCALLpágina3 TCBCALLpágina4 TCBCALLpágina5 Ingoogle: TCBCALLpágina6 OtherInformation: TCBCALLpágina7 TCBCALLpágina8 ►CONCLUSIONbyTCB:TheASOPdefinedandprovidedbygranteeisVALIDandconfirmed.Thereforetheexhibit"C5266091_X23_Ed1_US_Agent_Letter" includedinthefileisok. 2-IstheagentphysicallylocatedatthatvalidUSaddresssuchthattheagentcanbelegallyservedatthataddress? Yes,checkabove 3-Hasthelistedagentclearlyagreedinwritingtoserveastheagentforthegranteeatthataddress? Yes,itisincludedintheexhibit"C5266091_X23_Ed1_US_Agent_Letter" >

C5266091_X10_Ed.2 1/1 < Shenzhen Baojia Battery Technology Co.,Ltd. > Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2026-07 -31 Subject: Request for Confidentiality FCC ID: SL7-TD19 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☒ Internal Photos ☐ NOTE 1 ☒ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of _180__ days from the date of the Grant of Equipment Authorization and prior to marketing. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name: Eddie TSANG Title: Project Director

C5266091_X8_Ed.1 1/1 Letter of Authorization < Shenzhen Baojia Battery Technology Co.,Ltd. > Company: Shenzhen Baojia Battery Technology Co.,Ltd. Address: Block A, Yonghe Road, Tongfuyu Industrial Zone, Heping, Fuyong, Baoan, Shenzhen, 518103, China Product Name: Miffy EarBuds Model Number: TD19 FCC Identifier: SL7-TD19 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Eddie TSANG Date: 2026-07-31 Title: Project Director Signature of applicant:

FCC ID: SL7-M165B Tel: 86-769-81009103 Email: [email protected] Website: Https://www.sstesting.cn QI YANG TESTING EUT Constructional Details Left earphone FCC ID: SL7-M165B Tel: 86-769-81009103 Email: [email protected] Website: Https://www.sstesting.cn QI YANG TESTING Right earphone FCC ID: SL7-M165B Tel: 86-769-81009103 Email: [email protected] Website: Https://www.sstesting.cn QI YANG TESTING ►►► END ◄◄◄

QI YANG TESTING Page 1 of 5 Tel: 86-769-81009103 Email: [email protected] Website: Https://www.sstesting.cn TEST REPORT Maximum Permissive Exposure for Products Name: Miffy EarBuds Model No.: TD19 FCC ID: SL7-TD19 Report No.: SST2607E395 Issued Date: 2026-7-31 Issued for Shenzhen Baojia Battery Technology Co., Ltd. Block A, Yonghe Road, Tongfuyu Industrial Zone, Heping, Fuyong,Baoan, Shenzhen, 518103, China Issued by Dongguan Qiyang Testing Technology Co., Ltd. Room 101-1, Building 1, No.19, Tianxin Butterfly 1st Road, Huangjiang, Dongguan, Guangdong, China General disclaimer: The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the Issuing Dongguan Qiyang Testing Technology Co., Ltd. The authenticity of this test report and its contents can be verified by contacting the Dongguan Qiyang Testing Technology Co., Ltd., responsible for this test report. QI YANG TESTING Page 2 of 5 Report No.: SST2607E395 Tel: 86-769-81009103 Email: [email protected] Website: Https://www.sstesting.cn Table of Contents 1. BASIC INTRODUCTION .............................................................................................................................. 3 2. RF EXPOSURE EVALUATION MAXIMUM PERMISSIBLE EXPOSURE (MPE) ...................................... 4 2.1 INTRODUCTION .............................................................................................................................................. 4 2.2 MPE CALCULATION ....................................................................................................................................... 5 3 CONCLUSION .............................................................................................................................................. 5 QI YANG TESTING Page 3 of 5 Report No.: SST2607E395 Tel: 86-769-81009103 Email: [email protected] Website: Https://www.sstesting.cn 1. Basic Introduction Applicant’s name .................. : Shenzhen Baojia Battery Technology Co., Ltd. Address ................................. : Block A, Yonghe Road, Tongfuyu Industrial Zone, Heping, Fuyong,Baoan, Shenzhen, 518103, China Manufacturer’s name ......... : Shenzhen Baojia Battery Technology Co., Ltd. Address ................................. : Block A, Yonghe Road, Tongfuyu Industrial Zone, Heping, Fuyong,Baoan, Shenzhen, 518103, China Factory’s name ................... : Shenzhen Baojia Battery Technology Co., Ltd. Address ................................. : Block A, Yonghe Road, Tongfuyu Industrial Zone, Heping, Fuyong,Baoan, Shenzhen, 518103, China Products Name ...................... : Miffy EarBuds Model No. ............................... : TD19 Trade Mark ............................ : MIPOW, MIPOW X MIFFY Rating(s) ................................ : DC 3.7V 50mAh battery for earphones DC 3.7V 400mAh battery for charging case Or DC 5V by external power supply Software version .............. : / Hardware version ............ : / Operation frequency ........ : 2402MHz ~ 2480MHz Channel numbers ............ : 79 Channel separation ......... : 1MHz Modulation technology .... : GFSK, pi/4 DQPSK, 8DPSK Antenna type ................... : Chip Antenna Antenna gain ................... : 2.8 dBi Date of sample receipt ......... : 2026-7-21 Date of Test ........................... : 2026-7-21~2026-7-31 Standard(s) ........................... : FCC 47 CFR PART 1.1310 FCC 47 CFR PART 1.1307 KDB 447498 D04 Tested by (+signature) ......... : Connor Ma Check by (+signature) .......... : Davis Zhou Approved by (+signature) .... : Tiger Chen QI YANG TESTING Page 4 of 5 Report No.: SST2607E395 Tel: 86-769-81009103 Email: [email protected] Website: Https://www.sstesting.cn 2. RF EXPOSURE EVALUATION MAXIMUM PERMISSIBLE EXPOSURE (MPE) 2.1 Introduction This document is prepared to show compliance with the RF Exposure requirements as required in §1.1310 of the FCC Rules and Regulations and RSS-102 of Industry Canada. The limit for maximum permissible exposure(MPE), specific in §1.1307of the FCC Rules and KDB 447498 D04 were list in below The available maximum time-averaged power is no more than 1 mW, regardless of separation distance. The available maximum time-averaged power or effective radiated power (ERP), whichever is greater, is less than or equal to the threshold P th (mW) described in the following formula. For multiple RF sources QI YANG TESTING Page 5 of 5 Report No.: SST2607E395 Tel: 86-769-81009103 Email: [email protected] Website: Https://www.sstesting.cn 2.2 MPE Calculation Type Frequency (MHz) Antenna Gain (dBi) Output power (dBm) Output power (mW) ERP (dBm) ERP (mW) Limit (mW, d=0.5cm) Ratio (%) Result BT 2480 2.8 2.18 1.65 2.83 1.92 2.7 71.11 PASS Note: The available RF source will be Maximum time-averaged power or ERP, whichever is greater. Pth= 3060 * (d/20) x , where x is –log 10 (60/3060 * sqrt(F, in GHz)); eg: 3060*(0.5/20)^(-log 10 ( 60/3060*sqrt(2.48))=2.7 3 Conclusion The device meets the portable RF exposure limit at a minimum separation distance as specified in §2.1093 of the FCC Rules and Regulations. An appropriate RF exposure compliance statement will be placed in the user's manual. *****End of report*****

QI YANG TESTING Page 1 of 40 Tel: 86-769-81009103 Email: [email protected] Website: Https://www.sstesting.cn TEST REPORT Radio Frequency Devices-Intentional Radiators for Products Name: Miffy EarBuds Model No.: TD19 FCC ID: SL7-TD19 Report No.: SST2607E394 Issued Date: 2026-7-31 Issued for Shenzhen Baojia Battery Technology Co., Ltd. Block A, Yonghe Road, Tongfuyu Industrial Zone, Heping, Fuyong,Baoan, Shenzhen, 518103, China Issued by DONGGUAN QIYANG TESTING TECHNOLOGY CO., LTD. Room 101-1, Building 1, No. 19, Tianxin Butterfly 1st Road, Huangjiang, Dongguan, Guangdong, China General disclaimer: The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the Issuing DONGGUAN QIYANG TESTING TECHNOLOGY CO., LTD. The authenticity of this test report and its contents can be verified by contacting the DONGGUAN QIYANG TESTING TECHNOLOGY CO., LTD., responsible for this test report. QI YANG TESTING Page 2 of 40 Report No.: SST2607E394 Tel: 86-769-81009103 Email: [email protected] Website: Https://www.sstesting.cn Table of Contents 1. BASIC INTRODUCTION .............................................................................................................................. 3 2. GENERAL DESCRIPTION ........................................................................................................................... 4 2.1. EUT DESCRIPTION ......................................................................................................................................... 4 2.2. SERIAL MODEL(S) AND MODEL DIFFERENCE .................................................................................................... 4 2.3. AUXILIARY EQUIPMENT................................................................................................................................... 4 2.4. DESCRIPTION OF TEST MODES ........................................................................................................................ 5 2.5. TEST ENVIRONMENTAL CONDITIONS ................................................................................................................ 5 2.6. STATEMENT OF MEASUREMENT UNCERTAINTY ............................................................................................... 6 2.7. REPORT MODIFICATION RECORD ..................................................................................................................... 6 2.8. TEST FACILITY ............................................................................................................................................... 6 2.9. OTHER INFORMATION ..................................................................................................................................... 7 2.10. ADDITION INSTRUCTIONS ............................................................................................................................... 7 3. VERDICT SUMMARY SECTION ................................................................................................................. 8 4. LIST OF TEST EQUIPMENT ....................................................................................................................... 9 5. TECHNICAL REQUIREMENT AND MEASUREMENT DATA .................................................................. 10 5.1. GENERALLY REQUIREMENT .......................................................................................................................... 10 5.2. CONDUCTED EMISSIONS ............................................................................................................................... 11 5.3. CONDUCTED PEAK OUTPUT POWER ............................................................................................................. 15 5.4. OCCUPIED CHANNEL BANDWIDTH ................................................................................................................ 16 5.5. CARRIER FREQUENCY SEPARATION ............................................................................................................. 17 5.6. HOPPING CHANNEL NUMBERS ..................................................................................................................... 18 5.7. DWELL TIME ................................................................................................................................................ 19 5.8. CONDUCTED SPURIOUS EMISSION ................................................................................................................ 20 5.9. RADIATED EMISSIONS .................................................................................................................................. 21 6. TEST SETUP PHOTO ................................................................................................................................ 39 7. PHOTO OF THE EUT ................................................................................................................................. 40 QI YANG TESTING Page 3 of 40 Report No.: SST2607E394 Tel: 86-769-81009103 Email: [email protected] Website: Https://www.sstesting.cn 1. Basic Introduction Applicant’s name .................. : Shenzhen Baojia Battery Technology Co., Ltd. Address ................................. : Block A, Yonghe Road, Tongfuyu Industrial Zone, Heping, Fuyong,Baoan, Shenzhen, 518103, China Manufacturer’s name ......... : Shenzhen Baojia Battery Technology Co., Ltd. Address ................................. : Block A, Yonghe Road, Tongfuyu Industrial Zone, Heping, Fuyong,Baoan, Shenzhen, 518103, China Factory name ...................... : Shenzhen Baojia Battery Technology Co., Ltd. Address ................................. : Block A, Yonghe Road, Tongfuyu Industrial Zone, Heping, Fuyong,Baoan, Shenzhen, 518103, China Products Name ...................... : Miffy EarBuds Model No. ............................... : TD19 Trade Mark ...…

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PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 2012 SPECREV. P1 1 产品规格承认书 SPECIFICATIONS 客户: CUSTOMER: 产品名称: DESCRIPTION:Bipolarantenna 客户型号: CUSTOMERPARTNO: 产品型号: OURMODELNO: PBX2012MA04 日期: DATE: 确认签字,盖章后请返回承认书一份 PLEASERETURNTOUSONECOPYOF“SPECIFICATIONFORAPPROVAL” WITHYOURAPPROVEDSIGNATURES ApprovedAuditMaking CustomerAcknowledgesSignature Date PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 2012 SPECREV. P1 2 PBX2012MA06Specification OperatingTemp.:-40°C~+85°C 1.FEATURES: ●Lightweight,compact ●Widebandwidth,lowcost ●Built-inantennawithhighgain 2. APPLICATIONS : ●Bluetooth,WirelessLAN,MobileTV ●HomeRFSystem,etc 3.PRODUCTIDENTIFICATION (1)Producttype:MultilayerchipAntenna (2)ExternalDimensions(L×W)(mm):2.0*1.2 4.SHAPEANDDIMENSIONS: SHAPEANDDIMENSIONS LWHA 2.0±0.21.2±0.20.55±0.10.4±0.1 PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 2012 SPECREV. P1 3 TERMINAL-CONFIGURATION EVALUATIONBOARD APPLICATIONGUIDE PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 2012 SPECREV. P1 4 5.SPECIFICATIONS: TestltemSpecifications Bandwidth2400-2483MHz PolarizationmodeLinearpolarization *Maximumgain2.8dBi *Efficiency72.30% InputImpedance50Ω 6.ElectricalCharacteristics: VSWR MarkFrequencyVSWR 12400MHz3.04 22450MHz1.15 PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 2012 SPECREV. P1 5 32500MHz2.57 RadiationPattern TheGainpatternismeasuredinINPAQ’sFAR-fieldchamber.DUTisplacedonthetableof rotator,astandardhornantennaandVectorNetworkAnalyzerisusedtocollectdata. ◎ 3DGainPattern(2400MHz-2500MHz) PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 2012 SPECREV. P1 6 ◎2DGainPattern(2400MHz-2500MHz) PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 2012 SPECREV. P1 7

Page 1 of 53 FCC ID:SL7-TD19 Report No.: SST2607E394 Tel: 86-769-81009103 Email: [email protected] Website: Https://www.sstesting.cn QI YANG TESTING 1. Bandwidth 1.1 Test Result 1.1.1 OBW Mode TX Type Frequency (MHz) Packet Type ANT 99% Occupied Bandwidth (MHz) Verdict Result Limit GFSK SISO 2402 DH5 1 0.867 / Pass 2441 DH5 1 0.868 / Pass 2480 DH5 1 0.868 / Pass Pi/4DQPSK SISO 2402 2DH5 1 1.161 / Pass 2441 2DH5 1 1.155 / Pass 2480 2DH5 1 1.160 / Pass 8DPSK SISO 2402 3DH5 1 1.172 / Pass 2441 3DH5 1 1.167 / Pass 2480 3DH5 1 1.171 / Pass 1.1.2 20dB BW Mode TX Type Frequency (MHz) Packet Type ANT 20dB Bandwidth (MHz) Verdict Result Limit GFSK SISO 2402 DH5 1 0.957 / Pass 2441 DH5 1 0.960 / Pass 2480 DH5 1 0.961 / Pass Pi/4DQPSK SISO 2402 2DH5 1 1.294 / Pass 2441 2DH5 1 1.289 / Pass 2480 2DH5 1 1.285 / Pass 8DPSK SISO 2402 3DH5 1 1.300 / Pass 2441 3DH5 1 1.309 / Pass 2480 3DH5 1 1.300 / Pass Page 2 of 53 FCC ID:SL7-TD19 Report No.: SST2607E394 Tel: 86-769-81009103 Email: [email protected] Website: Https://www.sstesting.cn QI YANG TESTING 1.2 Test Graph 1.2.1 OBW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV Page 3 of 53 FCC ID:SL7-TD19 Report No.: SST2607E394 Tel: 86-769-81009103 Email: [email protected] Website: Https://www.sstesting.cn QI YANG TESTING GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV Page 4 of 53 FCC ID:SL7-TD19 Report No.: SST2607E394 Tel: 86-769-81009103 Email: [email protected] Website: Https://www.sstesting.cn QI YANG TESTING Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV Page 5 of 53 FCC ID:SL7-TD19 Report No.: SST2607E394 Tel: 86-769-81009103 Email: [email protected] Website: Https://www.sstesting.cn QI YANG TESTING 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV Page 6 of 53 FCC ID:SL7-TD19 Report No.: SST2607E394 Tel: 86-769-81009103 Email: [email protected] Website: Https://www.sstesting.cn QI YANG TESTING 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV Page 7 of 53 FCC ID:SL7-TD19 Report No.: SST2607E394 Tel: 86-769-81009103 Email: [email protected] Website: Https://www.sstesting.cn QI YANG TESTING 1.2.2 20dB BW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV Page 8 of 53 FCC ID:SL7-TD19 Report No.: SST2607E394 Tel: 86-769-81009103 Email: [email protected] Website: Https://www.sstesting.cn QI YANG TESTING GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV Page 9 of 53 FCC ID:SL7-TD19 Report No.: SST2607E394 Tel: 86-769-81009103 Email: [email protected] Website: Https://www.sstesting.cn QI YANG TESTING Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV Page 10 of 53 FCC ID:SL7-TD19 Report No.: SST2607E394 Tel: 86-769-81009103 Email: [email protected] Website: Https://www.sstesting.cn QI YANG TESTING 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV Page 11 of 53 FCC ID:SL7-TD19 Report No.: SST2607E394 Tel: 86-769-81009103 Email: [email protected] Website: Https://www.sstest…

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