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Wuxi iData Technology Co., Ltd. Add: Floor 11, Building B1, No.999 Gaolang East Road, Wuxi City, China Tel: +86 0755-26966621-603 Fax: +86 0755-26966621-603 Email: [email protected] Attestation Letter Date: 2025-11-26 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir or Madam: Our product Charging Stand, model: TZ15, FCC ID: 2ADE3TZ15, for marketing purpose, this product only supports BLE 1M&2M. The other functions, bands and modes was disabled to use by manufacturer in the software, the end user has no capability to activate it. Sincerely, Printed Name: Zhihui Li Title: Manager

Wuxi iData Technology Co., Ltd. Add: Floor 11, Building B1, No.999 Gaolang East Road, Wuxi City, China Tel: +86 0755-26966621-603 Fax: +86 0755-26966621-603 Email: [email protected] CFR 47 §2.911(d)(5)(i)(ii) Attestation Letter Attestation Letter Date: 2025-11-26 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(i)(ii) Filing FCC ID: 2ADE3TZ15 Signature Contact Person: Zhihui Li Title: Manager Wuxi iData Technology Co., Ltd. (“the applicant”) certifies that the equipment fo r which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Wuxi iData 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. Wuxi iData Technology Co., Ltd. (“the applicant”) certifies that the equipment does not use Kasp ersky's software information. Sincerely,

U.S. AGENT LETTER OF ATTESTATION Date: 2025-12-08 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(7) Filing FCC ID: 2ADE3TZ15 Wuxi iData Technology Co., Ltd. certifies that, as of the date of the filing of the application, Iconsigh Inc. is our designated U.S. agent for service of process for the above referenced FCC ID. Wuxi iData Technology Co., Ltd. accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Iconsigh Inc. accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Company Name: Iconsigh Inc. Address: 2310 Homestead Road, Suite C1, Los Altos, CA, 94024, USA FRN: 0033398652 Tel.: +1 (408) 320-9867 Email: [email protected] Signed by (printed name): Benjamin Kaur Signature: Applicant: Wuxi iData Technology Co., Ltd. Address: Floor 11, Building B1, No.999 Gaolang East Road, Wuxi City, China FRN: 0024020992 Tel: +86 0755-26966621-603 Email: [email protected] Signed by (printed name): Zhihui Li Signature:

QA-FR-170-B Wuxi iData Technology Co., Ltd. Add: Floor 11, Building B1, No.999 Gaolang East Road, Wuxi City, China Tel: +86 0755-26966621-603 Fax: +86 0755-26966621-603 Email: [email protected] FCC Authorization Date: 2025-11-26 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We , Wuxi iData Technology Co., Ltd., Hereby authorizes China Certification ICT Co., Ltd (Dongguan) to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by China Certification ICT Co., Ltd (Dongguan) on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Client’s signature Printed Name: Zhihui Li Title: Manager

QA-FR-172-A Wuxi iData Technology Co., Ltd. Add: Floor 11, Building B1, No.999 Gaolang East Road, Wuxi City, China Tel: +86 0755-26966621-603 Fax: +86 0755-26966621-603 Email: [email protected] FCC Confidential Authorization Date: 2025-11-26 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2ADE3TZ15 In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, Wuxi iData Technology Co., Ltd. hereby requests long-term confidential treatment of information accompanying this application as outlined below: •Block Diagram •Schematics •Operation Description The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely, Signature Printed Name: Zhihui Li Title: Manager

China Certification ICT Co., Ltd (Dongguan) EXHIBIT No.: 2503Y37523E-RF-EXP Page 1 / 6 EUT EXTERNAL PHOTOGRAPHS China Certification ICT Co., Ltd (Dongguan) EXHIBIT No.: 2503Y37523E-RF-EXP Page 2 / 6 China Certification ICT Co., Ltd (Dongguan) EXHIBIT No.: 2503Y37523E-RF-EXP Page 3 / 6 China Certification ICT Co., Ltd (Dongguan) EXHIBIT No.: 2503Y37523E-RF-EXP Page 4 / 6 China Certification ICT Co., Ltd (Dongguan) EXHIBIT No.: 2503Y37523E-RF-EXP Page 5 / 6 China Certification ICT Co., Ltd (Dongguan) EXHIBIT No.: 2503Y37523E-RF-EXP Page 6 / 6 *****END *****

37 .70 mm 21 .70 mm Made in China QC 合格 PN： T Z15-3-1234 型号/Model： TZ15 充电座/Charging Stand Input: 5V 2A FCC ID： 2ADE3TZ15 Output: 5V 1A 无锡盈达科技股份有限公司 Wuxi iDat a Technology Co., Ltd. 无锡市高浪东路999号B1号楼11层 Floor 11, Building B1, No.999 Gaolang East Road, Wuxi City,China

China Certification ICT Co., Ltd (Dongguan) EXHIBIT No.: 2503Y37523E-RF-INP Page 1 / 4 EUT INTERNAL PHOTOGRAPHS China Certification ICT Co., Ltd (Dongguan) EXHIBIT No.: 2503Y37523E-RF-INP Page 2 / 4 BT Antenna China Certification ICT Co., Ltd (Dongguan) EXHIBIT No.: 2503Y37523E-RF-INP Page 3 / 4 China Certification ICT Co., Ltd (Dongguan) EXHIBIT No.: 2503Y37523E-RF-INP Page 4 / 4 Chip *****END *****

China Certification ICT Co., Ltd (Dongguan) Report No.:2503Y37523E-RF-00A Report Template: RF-FCC-BLE-A/0 Page 40 of 42 5. RF EXPOSURE EVALUATION SAR Evaluation Applicable Standard According to §1.1307(b)(3)(i) (C) Or using Table 1 and the minimum separation distance (R in meters) from the body of a nearby person for the frequency (f in MHz) at which the source operates, the ERP (watts) is no more than the calculated value prescribed for that frequency. For the exemption in Table 1 to apply, R must be at least λ/2π, where λ is the free-space operating wavelength in meters. If the ERP of a single RF source is not easily obtained, then the available maximum time-averaged power may be used in lieu of ERP if the physical dimensions of the radiating structure(s) do not exceed the electrical length of λ/4 or if the antenna gain is less than that of a half-wave dipole (1.64 linear value). Table 1 to § 1.1307(b)(3)(i)(C) - Single RF Sources Subject to Routine Environmental Evaluation RF Source frequency (MHz) Threshold ERP (watts) 0.3-1.34 1,920 R 2 . 1.34-30 3,450 R 2 /f 2 . 30-300 3.83 R 2 . 300-1,500 0.0128 R 2 f. 1,500-100,000 19.2R 2 . Measurement Result Operation Modes Frequency (MHz) λ/2π Distance Exemption ERP Maximum Conducted Power including Tune-up Tolerance Antenna Gain ERP MPE- Based Exemption (mm) (mm) (mW) (dBm) (dBm) (dBi) (dBm) BLE 2402-2480 19.89 200 768 28.85 1.0 3.41 4.41 Compliant Note: The Maximum Conducted Power including Tune-up Tolerance was declared by manufacturer. Result: The device meets FCC MPE-Base at 20 cm distance.

China Certification ICT Co., Ltd (Dongguan) Report No.:2503Y37523E-RF-00A Page 1 of 11 Test Information: Sample No.: 3BXU-2 Test Date: 2025/11/25 Test Site: RF Test Mode: Transmitting Tester: Chloe Zhao Test Result: Pass Environmental Conditions: Temperature: (°C) 25 Relative Humidity: (%) 44 ATM Pressure: (kPa) 101.9 Test Equipment List and Details: Manufacturer Description Model Serial Number Calibration Date Calibration Due Date R&S Spectrum Analyzer FSV40 101591 2025/03/31 2026/03/30 R&S Spectrum Analyzer FSU26 200256 2025/03/31 2026/03/30 * Statement of Traceability: China Certification ICT Co., Ltd (Dongguan) attests that all calibrations have been performed, traceable to National Primary Standards and International System of Units (SI). China Certification ICT Co., Ltd (Dongguan) Report No.:2503Y37523E-RF-00A Page 2 of 11 4.3.1 6dB Emission Bandwidth Chain 0, BLE 1M Channel Result (MHz) Limit (MHz) Verdict Low 0.668 ≥0.5 Pass Middle 0.693 ≥0.5 Pass High 0.668 ≥0.5 Pass Chain 0, BLE 2M Channel Result (MHz) Limit (MHz) Verdict Low 1.267 ≥0.5 Pass Middle 1.177 ≥0.5 Pass High 1.195 ≥0.5 Pass China Certification ICT Co., Ltd (Dongguan) Report No.:2503Y37523E-RF-00A Page 3 of 11 BLE 1M BLE_1M_Low_Channel BLE_1M_Middle_Channel BLE 2M BLE_1M_High_Channel BLE_2M_Low_Channel BLE_2M_Middle_Channel BLE_2M_High_Channel A Att 30 dB* Offset 0.5 dB LVL Ref 20.5 dBm Center2.402 GHzSpan4 MHz400 kHz/ 3DB RBW 100 kHz SWT 5 ms * VBW 300 kHz* 1 PK MAXH SGL -70 -60 -50 -40 -30 -20 -10 0 10 20 SWP 300 of 300 1 Marker 1 [T1 ] -6.14 dBm 2.401668000 GHz 1 Delta 1 [T1 ] 0.12 dB 668.000000000 kHz D1 0.015 dBm D2 -5.985 dBm ProjectNo.:2503Y37523E-RF Tester:Chloe Zhao Date: 25.NOV.2025 08:40:31 A A t t 3 0 d B * O f f s e t 0 . 5 d B L V L R e f 2 0 . 5 d B m C e n t e r 2 . 4 8 G H z S p a n 4 M H z 4 0 0 k H z / * 3 D B R B W 1 0 0 k H z S W T 5 m s * V B W 3 0 0 k H z 1 P K M A X H S G L - 7 0 - 6 0 - 5 0 - 4 0 - 3 0 - 2 0 - 1 0 0 1 0 2 0 S W P 3 0 0 o f 3 0 0 1 M a r k e r 1 [ T 1 ] - 5 . 5 7 d B m 2 . 4 7 9 6 6 8 0 0 0 G H z 1 D e l t a 1 [ T 1 ] - 0 . 0 5 d B 6 6 8 . 0 0 0 0 0 0 0 0 0 k H z D 1 0 . 5 3 8 d B m D 2 - 5 . 4 6 2 d B m ProjectNo.:2503Y37523E-RF Tester:Chloe Zhao Date: 25.NOV.2025 08:42:23 China Certification ICT Co., Ltd (Dongguan) Report No.:2503Y37523E-RF-00A Page 4 of 11 4.3.2 Maximum Conducted Output Power Chain 0, BLE 1M Channel Peak Output Power (dBm) Limit (dBm) Verdict Low 0.49 30.00 Pass Middle 0.10 30.00 Pass High 0.71 30.00 Pass Chain 0, BLE 2M Channel Peak Output Power (dBm) Limit (dBm) Verdict Low 0.50 30.00 Pass Middle 0.09 30.00 Pass High 0.72 30.00 Pass China Certification ICT Co., Ltd (Dongguan) Report No.:2503Y37523E-RF-00A Page 5 of 11 BLE 1M BLE_1M_Low_Channel BLE_1M_Middle_Channel BLE 2M BLE_1M_High_Channel BLE_2M_Low_Channel BLE_2M_Middle_Channel BLE_2M_High_Channel China Certification ICT Co., Ltd (Dongguan) Report No.:2503Y37523E-RF-00A Page 6 of 11 4.3.3 Power Spectral Density Chain 0, BLE 1M Channel Result (dBm/3kHz) Limit (dBm/3kHz) Verdict Low -16.41 8 Pass Middle -16.76 8 Pass High -16.16 8 Pass Chain 0, BLE 2M Channel Result (dBm/3kHz) Limit (dBm/3kHz) Verdict Low -19.00 8 Pass Middle -19.23 8 Pass High -18.77 8 Pass China Certification ICT Co., Ltd (Dongguan) Report No.:2503Y37523E-RF-00A Page 7 of 11 BLE 1M BLE_1M_Low_Channel BLE_1M_Middle_Channel BLE 2M BLE_1M_High_Channel BLE_2M_Low_Channel BLE_2M_Middle_Channel BLE_2M_High_Channel China Certification ICT Co., Ltd (Dongguan) Report No.:2503Y37523E-RF-00A Page 8 of 11 4.3.4 Duty Cycle Chain 0, BLE 1M Channel Ton (ms) Ton+Toff (ms) Duty Cycle (%) Duty Cycle Factor(dB) 1/Ton (Hz) VBW Setting (kHz) Middle 2.137 NA Not constant NA 0 NA Chain 0, BLE 2M Channel Ton (ms) Ton+Toff (ms) Duty Cycle (%) Duty Cycle Factor(dB) 1/Ton (Hz) VBW Setting (kHz) Middle 1.094 NA Not constant NA 1 NA BLE 1M BLE 2M BLE_1M_Middle_Channel BLE_2M_Middle_Channel China Certification ICT Co., Ltd (Dongguan) Report No.:2503Y37523E-RF-00A Page 9 of 11 4.3.5 Conducted Spurious Emission BLE 1M BLE_1M_Low_Channel BLE_1M_Low_Channel BLE_1M_Low_Channel BLE_1M_Middle_Channel BLE_1M_Middle_Channel BLE_1M_High_Channel A A t t 3 0 d B * O f f s e t 0 . 5 d B L V L R e f 2 0 d B m * * 3 D B R B W 1 0 0 k H z V B W 3 0 0 k H z S W T 1 0 m s C e n t e r 2 . 4 0 2 G H z S p a n 4 M H z 4 0 0 k H z / 1 P K M A X H S G L - 8 0 - 7 0 - 6 0 - 5 0 - 4 0 - 3 0 - 2 0 - 1 0 0 1 0 2 0 S W P 1 0 0 o f 1 0 0 1 M a r k e r 1 [ T 1 ] - 0 . 0 4 d B m 2 . 4 0 2 2 5 8 0 0 0 G H z ProjectNo.:2503Y37523E-RF Tester:Chloe Zhao Date: 25.NOV.2025 08:44:29 A S G L A t t 4 0 d B * R e f 2 0 d B m O f f s e t 0 . 5 d B L V L * 3 D B R B W 1 0 0 k H z * V B W 3 0 0 k H z S W T 2 5 m s C e n t e r 2 . 4 G H z S p a n 2 0 M H z 2 M H z / 1 P K M A X H - 8 0 - 7 0 - 6 0 - 5 0 - 4 0 - 3 0 - 2 0 - 1 0 0 1 0 2 0 S W P 1 0 0 o f 1 0 0 1 M a r k e r 1 [ T 1 ] - 4 3 . 5 9 d B m 2 . 3 9 8 6 1 2 0 0 0 G H z - 2 0 . 0 4 d B m ProjectNo.:2503Y37523E-RF Tester:Chloe Zhao Date: 25.NOV.2025 08:44:50 A S G L A t t 4 0 d B * R e f 2 1 d B m O f f s e t 1 . 5 d B L V L * * 3 D B R B W 1 0 0 k H z V B W 3 0 0 k H z S W T 2 . 5 s S t a r t 3 0 M H z S t o p 2 5 G H z 2 . 4 9 7 G H z / 1 P K M A X H - 7 0 - 6 0 - 5 0 - 4 0 - 3 0 - 2 0 - 1 0 0 1 0 2 0 S W P 1 0 o f 1 0 1 M a r k e r 1 [ T 1 ] - 3 0 . 1 3 d B m 4 . 7 9 9 2 7 0 0 0 0 G H z D 1 - 2 0 . 0 4 d B m ProjectNo.:2503Y37523E-RF Tester:Chloe Zhao Date: 25.NOV.2025 08:45:52 A A t t 3 0 d B * O f f s e t 0 . 5 d B L V L R e f 2 0 d B m 4 0 0 k H z / C e n t e r 2 . 4 4 G H z S p a n 4 M H z * * 3 D B R B W 1 0 0 k H z V B W 3 0 0 k H z S W T 1 0 m s 1 P K M A X H S G L - 8 0 - 7 0 - 6 0 - 5 0 - 4 0 - 3 0 - 2 0 - 1 0 0 1 0 2 0 S W P 1 0 0 o f 1 0 0 1 M a r k e r 1 [ T 1 ] 0 . 1 8 d B m 2 . 4 4 0 2 5 2 0 0 0 G H z ProjectNo.:2503Y37523E-RF Tester:Chloe Zhao Date: 25.NOV.2025 08:47:05 A Att 30 dB* SGL Ref 21 dBm Offset 1.5 dB LVL 2.497 GHz/Start30 MHzStop25 GHz * * 3DB RBW 100 kHz VBW 300 kHz SWT 2.5 s 1 PK MAXH -70 -60 -50 -40 -30 -20 -10 0 10 20 SW…

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TEST REPORT Applicant: Wuxi iData Technology Co., Ltd. Address: Floor 11, Building B1, No.999 Gaolang East Road, Wuxi City, China FCC ID: 2ADE3TZ15 Product Name: Charging Stand Standard(s): 47 CFR Part 15, Subpart C(15.247) ANSI C63.10-2020 KDB 558074 D01 15.247 Meas Guidance v05r02 The above device has been tested and found compliant with the requirement of the relative standards by China Certification ICT Co., Ltd (Dongguan) Report Number: 2503Y37523E-RF-00A Date Of Issue: 2025/11/27 Reviewed By: Calvin Chen Title: RF Test Supervisor Approved By: Sun Zhong Title: Manager Test Laboratory: China Certification ICT Co., Ltd (Dongguan) Room 101 & 201, Building 2, 256 Pingdong Road, Dalang Town, Dongguan City, Guangdong, China. Tel: +86-769-83085888 www.ccttt.com.cn China Certification ICT Co., Ltd (Dongguan) Report No.:2503Y37523E-RF-00A Report Template: RF-FCC-BLE-A/0 Page 2 of 42 Test Facility The Test site used by China Certification ICT Co., Ltd (Dongguan) to collect test data is located on the Room 101 & 201, Building 2, 256 Pingdong Road, Dalang Town, Dongguan City, Guangdong, China. The lab has been recognized as the FCC accredited lab under the KDB 974614 D01 and is listed in the FCC Public Access Link (PAL) database, FCC Registration No. : 442868, the FCC Designation No. : CN1314. Declarations China Certification ICT Co., Ltd (Dongguan) is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with a triangle symbol ―▲‖. Customer model name, addresses, names, trademarks etc. are not considered data. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report cannot be reproduced except in full, without prior written approval of the Company. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. This report may contain data that are not covered by the accreditation scope and shall be marked with an asterisk ―★‖. Each test item follows the test standard(s) without deviation. China Certification ICT Co., Ltd (Dongguan) Report No.:2503Y37523E-RF-00A Report Template: RF-FCC-BLE-A/0 Page 3 of 42 CONTENTS DOCUMENT REVISION HISTORY .......................................................................................... 5 1. GENERAL INFORMATION .................................................................................................... 6 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ....................................................... 6 1.1.1 General ........................................................................................................................................................... 6 1.1.2 Operation Frequency Detail ........................................................................................................................... 6 1.1.3 Antenna Information Detail ▲ ......................................................................................................................... 6 1.1.4 Accessory Information ................................................................................................................................... 7 1.2 DESCRIPTION OF TEST CONFIGURATION ........................................................................................... 7 1.2.1 EUT Operation Condition .............................................................................................................................. 7 1.2.2 Support Equipment List and Details .............................................................................................................. 7 1.2.3 Support Cable List and Details ...................................................................................................................... 7 1.2.4 Block Diagram of Test Setup ......................................................................................................................... 8 1.3 MEASUREMENT UNCERTAINTY .......................................................................................................... 9 2. SUMMARY OF TEST RESULTS .......................................................................................... 10 3. REQUIREMENTS AND TEST PROCEDURES .................................................................. 11 3.1 AC LINE CONDUCTED EMISSIONS .................................................................................................... 11 3.1.1 Applicable Standard ..................................................................................................................................... 11 3.1.2 EUT Setup.................................................................................................................................................... 12 3.1.3 EMI Test Receiver Setup ............................................................................................................................. 12 3.1.4 Test Procedure ............................................................................................................................................. 12 3.1.5 Corrected Amplitude & Margin Calculation ................................................................................................ 13 3.2 RADIATION SPURIOUS EMISSIONS .................................................................................................... 14 3.2.1 Applicable Standard ..................................................................................................................................... 14 3.2.2 EUT Setup.................................................................................................................................................... 14 3.2.3 EMI Test Receiver & Spectrum Analyzer Setup ......................................................................................... 15 3.2.4 Test Procedure ................…

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PN: SZ24585IB77-1 Product Datasheet -1- SUNNYWAY TECHNOLOGY(CHINA) ANTENNA SPEC Customer name： Shenzhen iData Information Technology Co., LTD Entry name： J15-3 Working band: BT（2400-2500MHz） Motherboard version： Sunnyway Material specification Specification type Sunnyway number Customer number BT-D Antenna SZ24585IB77-1 Revision history Date of preparation/change Change content Altered person Edition 2025.09.17 New issue Yao Da Heng A Sunnyway Countersign column R&D ME： To examine： QE： Approval： RF： To examine： Customer will sign the column Electronic Engineer Project manager Structural Engineer Quality Engineer Sunnyway Technology (China) Co.Ltd Shanghai R&D Center: 1st Floor, Building 4, No.99, Lane 215, Gaoguang Road, Qingpu District, Shanghai Email:[email protected] Website: www.sunnyway-iot.com PN: SZ24585IB77-1 Product Datasheet -2- Directory ANTENNA SPEC ...................................................................................................................................................................................................... 1 Customer name：Shenzhen iData Information Technology Co., LTD ............................................................................................ 1 1. Project information ............................................................................................................................................................................... 2 1.1 Mockup picture ............................................................................................................................................................................. 2 2. Matching circuit ..................................................................................................................................................................................... 3 3. Antenna passive testing data ............................................................................................................................................................. 3 3.1 S11 Description of the test method............................................................................................................................................... 3 3.2 S11 Test parameters .......................................................................................................................................................................... 4 4. Antenna active testing data ............................................................................................................................................................... 4 4.1 Test the environment ......................................................................................................................................................................... 4 4.2Antenna efficiency and gain ............................................................................................................................................................. 5 4.4 directional diagram ............................................................................................................................................................................ 6 5. Environmental treatment methods .................................................................................................................................................. 7 6. Standard for mass production antennas ........................................................................................................................................ 7 7. Engineering drawings .......................................................................................................................................................................... 8 8. Packaging method ................................................................................................................................................................................ 9 1. Project information 1.1 Mockup picture PN: SZ24585IB77-1 Product Datasheet -3- 2. Matching circuit Element Value E1 N/A E2 0Ω E3 N/A 3. Antenna passive testing data 3.1 S11 Description of the test method Test the equipment：Vector network analyzer (Agilent E5071C) Test methodology：Use a 50 ohm CABLE cable to export from the instrument test port, use the calibration piece to calibrate and connect the SMA connector of the test fixture, and record the return loss and standing wave ratio corresponding to the relevant frequency point. Below is a schematic picture of the test： PN: SZ24585IB77-1 Product Datasheet -4- Test schematic diagram 3.2 S11 Test parameters （Freq.）MHz 2400 2450 2500 VSWR 1.5 1.5 1.6 驻波比VSWR 4. Antenna active testing data 4.1 Test the environment VNA PN: SZ24585IB77-1 Product Datasheet -5- Test the system：Multi-probe OTA measurement system（XH-IoT） Test the environment：Temperature 22°C±3°C, humidity 50%±15% Test the equipment：When testing passive data, use the network analyzer R&S ZND/ Agilent E5071C When testing active data, use the Agilent 8960/CMW500/SP9500E/SP8315 4.2Antenna efficiency and gain Frequency/Mhz MaxGain/dBi Efficiency / % 2400 3.34 59.32 2410 3.06 60.82 2420 3.41 61.88 2430 3.16 62.05 2440 3.41 63.09 2450 3.05 63.33 2460 3.35 62.7 2470 3.22 63.55 2480 3.25 61.46 2490 3.22 60.58 2500 3.01 59.84 PN: SZ24585IB77-1 Product Datasheet -6- 4.4 directional diagram PN: SZ24585IB77-1 Product Datasheet -7- 5.Environmental treatment methods No design 6.Standard for mass production antennas When the antenna is mass-produced, the VSWR is used as the mass production test standard. According to the differences in the project itself, the following criteria are given: Freq. (MHz) Mass production standards 2400-2500 VSWR(Production performance)<VSWR(Confirmed performance)+0.5 PN: SZ24585IB77-1 Product D atasheet -8- 7. Engineering drawings PN: SZ24585IB77-1 Product Datasheet -9- 8.Packaging method

China Certification ICT Co., Ltd (Dongguan) EXHIBIT No.: 2503Y37523E-RF-00A-TSP Page 1 / 4 TEST SETUP PHOTOGRAPHS CE Front CE Side China Certification ICT Co., Ltd (Dongguan) EXHIBIT No.: 2503Y37523E-RF-00A-TSP Page 2 / 4 Radiated Emission 9 kHz-30 MHz Parallel View Radiated Emission 9 kHz-30 MHz Perpendicular View China Certification ICT Co., Ltd (Dongguan) EXHIBIT No.: 2503Y37523E-RF-00A-TSP Page 3 / 4 Radiated Emission 9 kHz-30 MHz Ground-Parallel View Radiated Emission 30 MHz-1 GHz View China Certification ICT Co., Ltd (Dongguan) EXHIBIT No.: 2503Y37523E-RF-00A-TSP Page 4 / 4 Radiated Emission 1GHz-18GHz View Radiated Emission 18GHz-25GHz View *****END *****