2AKXB-W6902000SwitchBot AI MindClip

Woan Technology (Shenzhen) Co., Ltd. 2.911 (d)(5)(i) Equipment Type Attestation v1.2 Section 2.911(d)(5)(i) Certification – Equipment Type Company name: Woan Technology (Shenzhen) Co., Ltd. Address: Room 1101, Qiancheng Commercial Center, No. 5 Haicheng Road, Mabu Community, Xixiang Sub-district, Bao'an District, Shenzhen, Guangdong, P.R.China, 518100 Product Name: SwitchBot AI MindClip FCC ID: 2AKXB-W6902000 Model(s): W6902000, W6902001, W6902002, W6902003, W6902004, W6902005 2.911(d)(5)(i) Equipment Type We, Woan Technology (Shenzhen) Co., Ltd. (“the applicant”) certify that the equipment for which authorization is sought through certification is not: • Prohibited from receiving an equipment authorization pursuant to § 2.903; of the FCC rules. • Identified as an equipment type in the “Covered List” NOTE 1 Yours sincerely, Name: Yoki Lau Date: 04 February 2026 Title and Company name: Manager/Woan Technology (Shenzhen) Co., Ltd. NOTE 1 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

Woan Technology (Shenzhen) Co., Ltd. 2.911 (d)(5)(ii) Applicant Attestation v1.3 Section 2.911(d)(5)(ii) Certification – Applicant (Covered List ) Company name: Woan Technology (Shenzhen) Co., Ltd. Address: Room 1101, Qiancheng Commercial Center, No. 5 Haicheng Road, Mabu Community, Xixiang Sub-district, Bao'an District, Shenzhen, Guangdong, P.R.China, 518100 Product Name: SwitchBot AI MindClip FCC ID: 2AKXB-W6902000 Model(s): W6902000, W6902001, W6902002, W6902003, W6902004, W6902005 2.911(d)(5)(ii) Applicant filing We, Woan Technology (Shenzhen) Co., Ltd. (“the applicant”) certify that, as of the date of the filing of the application, the applicant is not identified NOTE 1 on the “Covered List” NOTE 2 , established pursuant to § 1.50002 of this chapter, as an entity producing covered communications equipment. Yours sincerely, Name: Yoki Lau Date: 04 February 2026 Title and Company name: Manager/Woan Technology (Shenzhen) Co., Ltd. NOTE 1 Delete option not applicable to this application. NOTE 2 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com Woan Technology (Shenzhen) Co., Ltd. 2.911 (d)(5)(ii) Applicant Attestation v1.3 munications-supply-chain-through-the

Woan Technology (Shenzhen) Co., Ltd. UNITED STATES DESIGNATED AGENT LETTER Date: February 4, 2026 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Applicant U.S. designated agent Company Name: Woan Technology (Shenzhen) Co., Ltd. Company Name: SWITCHBOT INC Contact Name: Yoki Lau Contact Name: Yoki Lau Address: Room 1101, Qiancheng Commercial Center, No. 5 Haicheng Road, Mabu Community, Xixiang Sub-district, Bao'an District, Shenzhen, Guangdong, P.R.China, 518100 Address: 1232 North King St. #150 Wilmington, DE 19801 United States City/Province/Zip: Shenzhen/518100 City/Province/Zip: Wilmington, 19801 Telephone: 0755-23344805 Telephone: 0755-23344805 Email: [email protected] Email: [email protected] FRN: 0026172536 FRN: 0033696857 Applicable Equipment: FCC ID: 2AKXB-W6902000 ATTN: Director of Certification: We, < Woan Technology (Shenzhen) Co., Ltd. > and <SWITCHBOT INC> understand and acknowledge the applicants consent and the designated agent’s obligation to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and e-mail of the designated agent listed above. We, < Woan Technology (Shenzhen) Co., Ltd. > and <SWITCHBOT INC> acknowledge the applicant’s acceptance of its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. Applicant Woan Technology (Shenzhen) Co., Ltd. U.S. designated agent SWITCHBOT INC Name (Printed): Yoki Lau Name (Printed): Yoki Lau Title: Manager Title: Manager Signature: Signature:

AgentAuthorization Company:WoanTechnology(Shenzhen)Co.,Ltd. Address:Room1101,QianchengCommercialCenter,No.5HaichengRoad,Mabu Community,XixiangSub-district,Bao'anDistrict,Shenzhen,Guangdong,P.R. China,518100 ProductName:SwitchBotAIMindClip ModelNumber(s):W6902000,W6902001,W6902002,W6902003,W6902004, W6902005 ProductDescription:SwitchBotAIMindClip WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:2026-02-06 Name:WuXuewen Title:Manager Company:ShenzhenBALUNTechnologyCo.,Ltd.

4 February 2026 Declaration Of Identity To Whom It May Concern: With regards to the application for Model: W6902000, According to the designer, Woan Technology (Shenzhen) Co., Ltd., we hereby declare the difference between Model: W6902000 and series Model as; Basic Model Number: W6902000 Basic Brand Name: SwitchBot Basic Product Name: SwitchBot AI MindClip Basic Certificate Number: ☐New/☒Additional Model Number(s): W6902001, W6902002, W6902003, W6902004, W6902005 Declare the electrical parameters and internal circuit structure are identical to the basic model, Except the following(s): Model name. Yours Sincerely, Woan Technology (Shenzhen) Co., Ltd. Charge Person Printed Name:Yoki Lau Charge Person Title: manager E-Mail: [email protected]

Date: 4 February 2026 To: Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 To Whom It May Concern: The Woan Technology (Shenzhen) Co., Ltd., the undersigned, hereby authorizes Mr. Wu Xuewen from Shenzhen BALUN Technology Co., Ltd., to act on the behalf of the Woan Technology (Shenzhen) Co., Ltd. solely in matters relating to the application for an FCC equipment authorization for FCC ID: 2AKXB-W6902000 including the signing of documents in connection with this Application. Necessary acts carried out by Shenzhen BALUN Technology Co., Ltd. in connection with the Application shall have the same effect as acts of the Woan Technology (Shenzhen) Co., Ltd. The Woan Technology (Shenzhen) Co., Ltd. also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti- Drug Abuse Act of 1988, 21 U.S.C. Section 862. Yours Sincerely, Yoki Lau

Woan Technology (Shenzhen) Co., Ltd. Date: 4 February 2026 To: Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 Re: Woan Technology (Shenzhen) Co., Ltd. FCC ID: 2AKXB-W6902000 FCC Certification Confidentiality Request Gentlemen: This letter is to comply with 47 CFR 0.457 and 0.459 pertaining to confidentiality material. Woan Technology (Shenzhen) Co., Ltd. requests that the following documents regarding this submission for FCC ID: 2AKXB-W6902000 be kept Long-Term confidential: Exhibit Type File Name Block Diagram Block Diagram.pdf Schematics Schematics.pdf Operational Description Operational Description.pdf Tune-Up Procedure Tune-Up Procedure.pdf And below exhibit kept short-term confidential (180 days): External photos External photos.pdf Test setup photos test photo.pdf Internal photos Internal photos.pdf User manual User manual.pdf Those documents contain detailed system and equipment description and related information about the product which Woan Technology (Shenzhen) Co., Ltd. considers to be confidential proprietary, a custom design and, otherwise, not releasable to the general public. Since this design is a basis form which future technological products will evolve, Woan Technology (Shenzhen) Co., Ltd. considers this information would be of benefit to its competitors, and that the disclosure of the information in these documents would give competitors an unfair advantage in the market. Yours Sincerely, Yoki Lau

back side SwitchBot AI MindClip SwitchBot AIマインドクリップ Model/型番: W6902000 XXXX Input/入力: 5V1A Nominal Voltage/定格電圧: 3.9V Lithium Battery Capacity /リチウム電池容量: 270mAh Rated Power/定格電力: 1.053Wh FCC ID: 2AKXB-W6902000 Made in China Designed by SwitchBot 210-261128 5.5mm 26.6mm 5.0mm18.4mm

Report No.: BL-SZ25C1510-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 33 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Body-1 (2025-11-06) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China TEST REPORT Applicant: Woan Technology (Shenzhen) Co., Ltd. Address: Room 1101, Qiancheng Commercial Center, No. 5 Haicheng Road, Mabu Community, Xixiang Sub- district, Bao'an District, Shenzhen, Guangdong, P.R. China, 518100 Equipment Type: SwitchBot AI MindClip Model Name: W6902000 (refer to section 2.3) Brand Name: SwitchBot FCC ID: 2AKXB-W6902000 Test Standard: FCC 47 CFR Part 2.1093 (refer to section 3.1) Maximum SAR: Body 2.4GHz(1 g@0mm): 0.15 W/kg Sample Arrival Date: Dec. 08, 2025 Test Date: Jan. 18, 2026 Date of Issue: Feb. 04, 2026 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Xu Rui Checked by: Zong Liyao Approved by: Tolan Tu (Testing Director) _______________ _______________ _______________ Report No.: BL-SZ25C1510-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 33 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Body-1 (2025-11-06) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Revision History Version Issue Date Revisions Content Rev. 01 Feb. 04, 2026 Initial Issue TABLE OF CONTENTS 1 GENERAL INFORMATION ......................................................................................................... 4 1.1 Test Laboratory .............................................................................................................. 4 1.2 Test Location .................................................................................................................. 4 1.3 Test Environment Condition ........................................................................................... 4 2 PRODUCT INFORMATION ......................................................................................................... 5 2.1 Applicant Information ...................................................................................................... 5 2.2 Manufacturer Information ............................................................................................... 5 2.3 General Description for Equipment under Test (EUT) ................................................... 5 2.4 Ancillary Equipment ........................................................................................................ 5 2.5 Technical Information ..................................................................................................... 6 3 SUMMARY OF TEST RESULT ................................................................................................... 7 3.1 Test Standards ............................................................................................................... 7 3.2 Device Category and SAR Limit ..................................................................................... 8 3.3 Test Result Summary ..................................................................................................... 9 3.4 Test Uncertainty ........................................................................................................... 10 4 MEASUREMENT SYSTEM ....................................................................................................... 11 4.1 Specific Absorption Rate (SAR) Definition ................................................................... 11 4.2 DASY SAR System ...................................................................................................... 12 5 SYSTEM VERIFICATION .......................................................................................................... 19 5.1 Purpose of System Check ............................................................................................ 19 5.2 System Check Setup .................................................................................................... 19 6 TEST POSITION CONFIGURATIONS ...................................................................................... 20 6.1 Body-worn Position Conditions .................................................................................... 20 7 MEASUREMENT PROCEDURE ............................................................................................... 21 Report No.: BL-SZ25C1510-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 33 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Body-1 (2025-11-06) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 7.1 Measurement Process Diagram ................................................................................... 21 7.2 SAR Scan General Requirement ................................................................................. 22 7.3 Measurement Procedure .............................................................................................. 23 7.4 Area & Zoom Scan Procedure ..................................................................................... 23 8 CONDUCTED RF OUTPUT POWER ........................................................................................ 24 9 TEST EXCLUSION CONSIDERATION ..................................................................................... 25 9.1 Antenna location sketch ............................................................................................... 25 10 TEST RESULT .......................................................................................................................... 26 10.1 Bluetooth ...................................................................................................................... 26 10.2 WIFI 2.4GHz ............................................................................................................…

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Report No.: BL-SZ25C1510-AC 1 / 32 CALIBRATION REPORT F.1 E-Field Probe (EX3DV4 - SN:7664) Report No.: BL-SZ25C1510-AC 2 / 32 Report No.: BL-SZ25C1510-AC 3 / 32 Report No.: BL-SZ25C1510-AC 4 / 32 Report No.: BL-SZ25C1510-AC 5 / 32 Report No.: BL-SZ25C1510-AC 6 / 32 Report No.: BL-SZ25C1510-AC 7 / 32 Report No.: BL-SZ25C1510-AC 8 / 32 Report No.: BL-SZ25C1510-AC 9 / 32 Report No.: BL-SZ25C1510-AC 10 / 32 Report No.: BL-SZ25C1510-AC 11 / 32 Report No.: BL-SZ25C1510-AC 12 / 32 Report No.: BL-SZ25C1510-AC 13 / 32 Report No.: BL-SZ25C1510-AC 14 / 32 Report No.: BL-SZ25C1510-AC 15 / 32 Report No.: BL-SZ25C1510-AC 16 / 32 Report No.: BL-SZ25C1510-AC 17 / 32 Report No.: BL-SZ25C1510-AC 18 / 32 Report No.: BL-SZ25C1510-AC 19 / 32 Report No.: BL-SZ25C1510-AC 20 / 32 Report No.: BL-SZ25C1510-AC 21 / 32 Report No.: BL-SZ25C1510-AC 22 / 32 Report No.: BL-SZ25C1510-AC 23 / 32 F.2 Data Acquisition Electronics (DAE4 - SN:878) Report No.: BL-SZ25C1510-AC 24 / 32 Report No.: BL-SZ25C1510-AC 25 / 32 Report No.: BL-SZ25C1510-AC 26 / 32 F.3 2450 MHz Dipole Report No.: BL-SZ25C1510-AC 27 / 32 Report No.: BL-SZ25C1510-AC 28 / 32 Report No.: BL-SZ25C1510-AC 29 / 32 Report No.: BL-SZ25C1510-AC 30 / 32 Report No.: BL-SZ25C1510-AC 31 / 32 Report No.: BL-SZ25C1510-AC 32 / 32 D2450V2 Dipole impedance and return loss Validation Meas. Results Current Meas. Previous Meas. Max. Deviation Meas. Data 2025.05.06 2024.05.07 / Return Loss(dB) -27.271 -27.884 -2.20% Impedance 51.780 Ω + 5.716 jΩ 51.604 Ω + 3.776 jΩ 1.941Ω (Imaginary part) --END OF REPORT--

8 CONDUCTED RF OUPUT POWER 8.1 WIFI Output Power 8.1.1 WIFI 2.4G Output Power 8.2 Bluetooth 8.2.1 Bluetooth Output Power 8.2.2 Bluetooth Duty Cycle BL-SZ25C1510-AP 1/4 8.1WIFI Output Power 8.1.1WIFI2.4G Output Power test ModeModulation Channel number Fre.(MHz) AV output power(dBm) tune up power(dBm) SAR Test WIFI 2.4G 11b 1241212.69 13.00 Yes 6243713.37 14.00 Yes 112462 14.30 15.00 Yes 11g 1241212.47 13.00 No 6243713.11 14.00 No 11246213.49 15.00 No HT20 1241211.45 13.00 No 6243712.08 14.00 No 11246212.41 14.00 No HT40 3242210.44 12.00 No 6243710.85 12.00 No 9245211.19 12.00 No Note: When multiple channel bandwidth configurations in a frequency band have the same maximum tune-up output power, the test configuration is determined by applying the following steps sequentially. 1) SAR is measured for 2.4 GHz 802.11b DSSS using either a fixed test position or, whenapplicable, the initial test position procedure. 2) According KDB 247228, when the highest reported SAR for DSSS is adjusted by the ratio of OFDM to DSSS specified maximum output power and the adjusted SAR is ≤ 1.2 W/kg, OFDM SAR test is not required. Adjusted SAR = 0.152 * (31.62mW/31.62mW) = 0.152 W/Kg, so 2.4G OFDM SAR test is not required. BL-SZ25C1510-AP 2/4 8.2Bluetooth 8.2.1Bluetooth Output Power Bluetooth test ModeModulationFre.(MHz) AV output power(dBm) Tune up power(dBm) SAR Test BT BLE1M 24022.14 3.00 No 24404.05 5.00 No 24805.63 6.00 No BLE2M 24042.92 3.00 Yes 24404.61 5.00 Yes 24786.28 7.00 Yes Note: Since the BLE 2M mode is the maximum output power mode, SAR measurements were conducted in the test software using the BLE 2M modulation method. BL-SZ25C1510-AP 3/4 8.2.2Bluetooth Duty Cycle The BluetoothBLE-2M duty cycle is 100% as following figure, according to 2016 Oct. TCB workshop for Bluetooth SAR scaling need further consideration and the maximum duty cycle is 100%, therefore the actual duty cycle will be scaled up to 100% for Bluetooth reported SAR calculation. Duty Cycle BLE-2M BL-SZ25C1510-AP 4/4

BL-SZ25C1510-ASC 1 / 1 System Check: 2450 MHz Date: 2026.01.18 Communication System Band: D2450 (2450.0 MHz); Frequency: 2450 MHz;Duty Cycle: 1:1 Medium parameters used: f = 2450 MHz; σ = 1.803 S/m; ε r = 39.582; ρ = 1000 kg/m 3 Phantom section: Flat Section Ambient Temperature:22.7°C Liquid Temperature:21.3°C DASY5 Configuration: • Probe: EX3DV4 - SN7664; ConvF(7.8, 7.8, 7.8); Calibrated: 2025.06.30; • Sensor-Surface: 4mm (Mechanical Surface Detection) • Electronics: DAE4 Sn878; Calibrated: 2025.03.05 • Phantom: SAM1; Type: QD000P40CD; Serial: TP:1858 • Measurement SW: DASY52, Version 52.8 (8); SEMCAD X Version 14.6.10 (7331) CW2450 100mw/Area Scan (101x101x1): Interpolated grid: dx=1.000 mm, dy=1.000 mm Maximum value of SAR (interpolated) = 5.31 W/kg CW2450 100mw/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 56.27 V/m; Power Drift = -0.09 dB Peak SAR (extrapolated) = 10.5 W/kg SAR(1 g) = 5.35 W/kg; SAR(10 g) = 2.51 W/kg Smallest distance from peaks to all points 3 dB below = 9.6 mm Ratio of SAR at M2 to SAR at M1 = 50.6% Maximum value of SAR (measured) = 5.32 W/kg 0 dB = 5.32 W/kg --BLANK BELOW--

BL-SZ25C1510-ATD 1 / 2 Meas.1 Body Plane with Top Edge 0mm on 38 Channel in BLE 2M mode Date: 2026.01.18 Communication System Band: BLE 2M; Frequency: 2478 MHz;Duty Cycle: 1:1 Medium parameters used (interpolated): f = 2478 MHz; σ = 1.838 S/m; ε r = 39.465; ρ = 1000 kg/m 3 Phantom section: Flat Section Ambient Temperature:22.7°C Liquid Temperature:21.3°C DASY5 Configuration: • Probe: EX3DV4 - SN7664; ConvF(7.8, 7.8, 7.8); Calibrated: 2025.06.30 • Sensor-Surface: 4mm (Mechanical Surface Detection) • Electronics: DAE4 Sn878; Calibrated: 2025.03.05 • Phantom: Twin SAM V5.0; Type: QD000P40CD; Serial: 1858 • Measurement SW: DASY52, Version 52.8 (8); SEMCAD X Version 14.6.10 (7331) CH38/Area Scan (8x8x1): Measurement grid: dx=12mm, dy=12mm Maximum value of SAR (measured) = 0.0256 W/kg CH38/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 0.9190 V/m; Power Drift = 0.08 dB Peak SAR (extrapolated) = 0.151 W/kg SAR(1 g) = 0.039 W/kg; SAR(10 g) = 0.00998 W/kg Smallest distance from peaks to all points 3 dB below = 8.5 mm Ratio of SAR at M2 to SAR at M1 = 49.1% Maximum value of SAR (measured) = 0.0461 W/kg 0 dB = 0.0461 W/kg BL-SZ25C1510-ATD 2 / 2 Meas.2 Body Plane with Top Edge 0mm on 11 Channel in IEEE802.11b mode Date: 2026.01.18 Communication System Band: 2.4G; Frequency: 2462 MHz;Duty Cycle: 1:1.012 Medium parameters used (interpolated): f = 2462 MHz; σ = 1.828 S/m; ε r = 39.521; ρ = 1000 kg/m 3 Phantom section: Flat Section Ambient Temperature:22.7°C Liquid Temperature:21.3°C DASY5 Configuration: • Probe: EX3DV4 - SN7664; ConvF(7.8, 7.8, 7.8); Calibrated: 2025.06.30 • Sensor-Surface: 4mm (Mechanical Surface Detection) • Electronics: DAE4 Sn878; Calibrated: 2025.03.05 • Phantom: Twin SAM V5.0; Type: QD000P40CD; Serial: 1858 • Measurement SW: DASY52, Version 52.8 (8); SEMCAD X Version 14.6.10 (7331) CH11/Area Scan (8x8x1): Measurement grid: dx=12mm, dy=12mm Maximum value of SAR (measured) = 0.104 W/kg CH11/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 4.057 V/m; Power Drift = 0.02 dB Peak SAR (extrapolated) = 0.297 W/kg SAR(1 g) = 0.128 W/kg; SAR(10 g) = 0.041 W/kg Smallest distance from peaks to all points 3 dB below = 6.7 mm Ratio of SAR at M2 to SAR at M1 = 49.6% Maximum value of SAR (measured) = 0.169 W/kg 0 dB = 0.169 W/kg --BLANK BELOW--

Approval sheet Page 1 of 9 ASC_RFECA3216060A1T_V08 April 2017 RFECA Series – RoHS Compliance CERAMIC ANTENNA Halogens Free Product 2.4 GHz ISM Band Working Frequency P/N: RFECA3216060A1T *Contents in this sheet are subject to change without prior notice. Approval sheet Page 2 of 9 ASC_RFECA3216060A1T_V08 April 2017 FEATURES 1. Surface Mounted Devices with a small dimension of 3.2 X 1.6 X 0.6 mm 3 meet future miniaturization trend. 2. LTCC process. 3. High stability in Temperature / Humidity Change. 4. Superb performance to place on the middle of PCB edge and excellent peak/ average gain observed by field test application. APPLICATIONS 1. ISM Band 2.4GHz applications. 2. Bluetooth.. CONSTRUCTION DIMENSIONS Figure Symbol Dimension (mm) L 3.10 ± 0.20 W 1.60 ± 0.20 T 0.60 ± 0.10 A 0.25 ± 0.20 PINConnection 1 Feeding 2 Soldering terminal Approval sheet Page 3 of 9 ASC_RFECA3216060A1T_V08 April 2017 SOLDER LAND PATTERN DESIGN Type-1: Empty Space 8.0mm x 3.0 mm Figure (Empty Space 8.0 mm x 3.0 mm) The limited size for ECA3216 is L>30mm and D>6mm Land Pattern TYPE-1 TEST BOARD ELECTRONIC CHARACTERISTICS *Note 1. Central Frequency should be defined after customers’ application approval. Item Specification Working Frequency Range 2.4GHz~2.4835GHz (Note-1) Gain 2 dBi (Typical) VSWR 2.0 max. Polarization Linear Azimuth Beamwidth Omni-directional Impedance 50 Approval sheet Page 4 of 9 ASC_RFECA3216060A1T_V08 April 2017 Type-2: Empty Space 6.3mm x 4.0 mm Figure (Empty Space 6.3 mm x 4.0 mm) The limited size for ECA3216 is L>30mm and D>6mm Land Pattern TYPE-2 TEST BOARD ELECTRONIC CHARACTERISTICS *Note 1. Central Frequency should be defined after customers’ application approval. Item Specification Working Frequency Range 2.4GHz~2.4835GHz (Note-1) Gain 2 dBi (Typical) VSWR 2.0 max. Polarization Linear Azimuth Beamwidth Omni-directional Impedance 50 Approval sheet Page 5 of 9 ASC_RFECA3216060A1T_V08 April 2017 Antenna on Type-1 Test Board ( Empty Space 8x3 mm &Thick ness 0.8mm) Antenna S11 on Type-1 Test Board Antenna VSWR on Type-1 Test Board 1.782 @ 2.40 GHz 1.328 @ 2.45 GHz 1.816 @ 2.50 GHz -11.0208 dB @ 2.40 GHz -17.0222 dB @ 2.45 GHz -10.7612 dB @ 2.50 GHz Approval sheet Page 6 of 9 ASC_RFECA3216060A1T_V08 April 2017 Antenna on Type-2 Test Board ( Empty Space 6.3x4 mm &Thick ness 0.8mm) Antenna S11 on Type-2 Test Board Antenna VSWR on Type-2 Test Board 1.453 @ 2.40 GHz 1.216 @ 2.45 GHz 1.732 @ 2.50 GHz -14.6741 dB @ 2.40 GHz -20.2120 dB @ 2.45 GHz -11.4374 dB @ 2.50 GHz Approval sheet Page 7 of 9 ASC_RFECA3216060A1T_V08 April 2017 RADIATION PATTERN Radiation Pattern and Gain were dependent on measurement board design. The specification of RFECA3216060A1T antenna was measured based on the PCB size and installation position as shown in the below figure Test Board. Antenna on Type-1 Test Board ZX plane ZY plane XY plane Frequency [MHz] Max Value [dB] Average [dB] Max Value [dB] Average [dB] Max Value [dB] Average [dB] 2400 0.29 -3.32 1.82 -0.51 1.49 -2.87 2450 0.55 -2.88 2.09 -0.21 1.95 -2.48 2500 -0.15 -3.44 1.82 -0.62 1.82 -2.73 Approval sheet Page 8 of 9 ASC_RFECA3216060A1T_V08 April 2017 Antenna on Type-2 Test Board ZX plane ZY plane XY plane Frequency [MHz] Max Value [dB] Average [dB] Max Value [dB] Average [dB] Max Value [dB] Average [dB] 2400 1.57 -2.83 1.95 -0.76 1.10 -2.93 2450 1.70 -2.62 2.02 -0.62 1.57 -2.61 2500 1.46 -2.82 1.90 -0.71 1.75 -2.68 Approval sheet Page 9 of 9 ASC_RFECA3216060A1T_V08 April 2017 RELIABILITY TEST Test item Test condition / Test method Specification Solderability JIS C 0050-4.6 JESD22-B102D *Solder bath temperature：235  5C *Immersion time：2  0.5 sec Solder：Sn3Ag0.5Cu for lead-free At least 95% of a surface of each terminal electrode must be covered by fresh solder. Leaching (Resistance to dissolution of metallization) IEC 60068-2-58 *Solder bath temperature：260  5C *Leaching immersion time：30  0.5 sec Solder : SN63A Loss of metallization on the edges of each electrode shall not exceed 25%. Resistance to soldering heat JIS C 0050-5.4 *Preheating temperature：120~150°C, 1 minute. *Solder temperature：2705C *Immersion time：101 sec Solder：Sn3Ag0.5Cu for lead-free Measurement to be made after keeping at room temperature for 242 hrs No mechanical damage. Electrical specification shall satisfy the descriptions in electrical characteristics under the operational temperature range within -40 ~ 85°C. Loss of metallization on the edges of each electrode shall not exceed 25%. Drop Test JIS C 0044 Customer’s specification. *Height：75 cm *Test Surface：Rigid surface of concrete or steel. *Times：6 surfaces for each units；2 times for each side. No mechanical damage. Electrical specification shall satisfy the descriptions in electrical characteristics under the operational temperature range within -40 ~ 85°C. Vibration JIS C 0040 *Frequency：10Hz~55Hz~10Hz(1min) *Total amplitude：1.5mm *Test times：6hrs.(Two hrs each in three mutually perpendicular directions) No mechanical damage. Electrical specification shall satisfy the descriptions in electrical characteristics under the operational temperature range within -40 ~ 85°C. Adhesive Strength of Termination JIS C 0051- 7.4.3 *Pressurizing force： 5N(≦0603)；10N(>0603) *Test time：10±1 sec No remarkable damage or removal of the termination. Approval sheet Page 10 of 9 ASC_RFECA3216060A1T_V08 April 2017 Bending test JIS C 0051- 7.4.1 The middle part of substrate shall be pressurized by means of the pressurizing rod at a rate of about 1 mm/s per second until the deflection becomes 1mm/s and then pressure shall be maintained for 51 sec. Measurement to be made after keeping at room temperature for 242 hours No mechanical damage. Electrical specification shall satisfy the descriptions in electrical characteristics under the operational temperature range within -40 ~ 85°C. Temperature cycle JIS C 0025 1. 303 minutes at -40C3C, 2. 10~15 minutes at room temperature, 3. 303 minutes at +85C3C, 4. 10~15 minutes at room temperature,…

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Report No.: BL-SZ25C1510-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 69 Web: www.titcgroup.com Template No.: TRP-FCC Part 15.247 (2022-01-12) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China TEST REPORT Applicant: Woan Technology (Shenzhen) Co., Ltd. Address: Room 1101, Qiancheng Commercial Center, No. 5 Haicheng Road, Mabu Community, Xixiang Sub- district, Bao'an District, Shenzhen, Guangdong, P.R. China, 518100 Equipment Type: SwitchBot AI MindClip Model Name: W6902000 (refer to section 2.3) Brand Name: SwitchBot FCC ID: 2AKXB-W6902000 Test Standard: 47 CFR Part 15 Subpart C (refer to section 3.1) Sample Arrival Date: Jan. 07, 2026 Test Date: Jan. 13, 2026 - Jan. 22, 2026 Date of Issue: Feb. 24, 2026 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Julie Zhu Checked by: Ye Hongji Approved by: Tolan Tu (Testing Director) _______________ _______________ _______________ Report No.: BL-SZ25C1510-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 69 Web: www.titcgroup.com Template No.: TRP-FCC Part 15.247 (2022-01-12) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Revision History Version Issue Date Revisions Rev. 01 Feb. 04, 2026 Initial Issue Rev. 02 Feb. 24, 2026 Add Duty Cycle to Chapter A.1 TABLE OF CONTENTS 1 GENERAL INFORMATION ......................................................................................................... 4 1.1 Test Laboratory .....................................…

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