XRAFB421Wireless Activity Tracker

- Model FB421 User Manual 3 Table of Contents Table of Contents ......................................................................................................... 3 Get started ....................................................................................................................... 7 What's in the box .................................................................................. 7 Set up FB421 ................................................................................................................... 8 Charge your tracker .............................................................................. 8 Set up with your phone or tablet ........................................................... 8 See your data in the Fitbit app ............................................................... 9 Unlock Fitbit Premium ............................................................................................. 10 Wear FB421 ................................................................................................................... 11 Placement for all-day wear vs. exercise ............................................... 11 Handedness ........................................................................................ 11 Change the band ........................................................................................................ 12 Remove a band ................................................................................... 12 Attach a new band .............................................................................. 12 Basics .............................................................................................................................. 13 Navigate FB421 ................................................................................... 13 Basic navigation ............................................................................... 13 Quick settings ................................................................................. 13 Adjust settings .................................................................................... 15 Check battery level .............................................................................. 16 Turn off the screen .............................................................................. 16 Care for FB421 .................................................................................... 16 Apps and Clock Faces .............................................................................................. 17 Change the clock face ......................................................................... 17 Open apps .......................................................................................... 17 Download additional apps ................................................................... 17 Remove apps ....................................................................................... 17 Lifestyle ......................................................................................................................... 18 Notifications ................................................................................................................ 19 Set up notifications ............................................................................. 19 See incoming notifications .................................................................. 19 ©2020 Fitbit, Inc. All rights reserved. Fitbit and the Fitbit logo are trademarks or registered trademarks of Fitbit in the US and other countries. A more complete list of Fitbit trademarks can be found at http://www.fitbit.com/legal/trademark-list. Third- party trademarks mentioned are the property of their respective owners. Manage notifications ........................................................................... 20 Turn off notifications .......................................................................... 20 Answer or reject phone calls ............................................................... 20 Respond to messages .......................................................................... 21 Timekeeping ................................................................................................................ 22 Use the Alarms app ............................................................................. 22 Dismiss or snooze an alarm ............................................................. 22 Use the Timers app ............................................................................. 22 Activity and Sleep ...................................................................................................... 23 See your stats ...................................................................................... 23 Track a daily activity goal .................................................................... 24 Choose a goal .................................................................................. 24 Track your hourly activity .................................................................... 24 Track your sleep .................................................................................. 24 Set a sleep goal ............................................................................... 24 Learn about your sleep habits .......................................................... 25 See your heart rate .............................................................................. 25 Get high or low heart rate notifications ............................................... 25 Track blood oxygenation saturation (SpO2) ......................................... 25 Manage stress with EDA Scan app ....................................................... 26 Fitness and Exercise ................................................................................................. 27 Track your exercise automatically ....................................................... 27 Track an…

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Fitbit, Inc. 199 Fremont Street, 14 th Floor San Francisco, CA 94105 Date: March 24, 2021 To Whom It May Concern, Please be notified that I, Adam Vasquez, have designated Jones Tsai of Sporton International Inc. as the person being responsible for this project and to sign the form 731 and other documentation. Any and all acts carried out by Jones Tsai in Sporton International Inc. on the matters of relating to all processes required in the FCC approval and any communication needed with the national authority, shall have the same legal authority as acts on our own behalf. We further certify that neither the applicant nor any party to this application, as defined in 47 CFR Ch. 1.2002 (b), is subject to a denial to Federal benefits, that include FCC benefits, pursuant to section 5301 of the Anti-Drug Abuse Act of 1998, 21 U.S.C. 862. This authorization is limited to the following product: FCC ID: XRAFB421 If you have any acknowledgement and response, please send it to Sporton International Inc. directly. Sincerely yours, Adam Vasquez [email protected] Adam Vasquez (Mar 24, 2021 16:38 PDT)

Fitbit, Inc. 199 Fremont Street, 14 th Floor San Francisco, CA 94105 Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 Subject: Request for Confidentiality FCC ID: XRAFB421 To Whom It May Concern: Pursuant to the provisions of Sections 0.457 and 0.459 of the Commission’s rules (47 CFR §§ 0.457, 0.459), we are requesting the Commission to withhold the following attachments as confidential document from public disclosure indefinitely. Schematic Diagram Block Diagram Operational Description Antenna Specification Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of the above documents might be harmful to our company and would give competitors an unfair advantage in the market. In additional to above mentioned documents, pursuant to Public Notice DA 04-1705 of the Commission’s policy, in order to comply with the marketing regulations in 47 CFR §2.803 and the importation rules in 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices. We are requesting the commission to grant short-term confidentiality request on the following attachments until 180 days from our grant date. External Photos Internal Photos Test Setup Photos User Manual It is our understanding that all measurement test reports, FCC ID label format and correspondence during certification review process cannot be granted as confidential documents and that information will be available for public review once the grant of equipment authorization is issued. Best Regards, Adam Vasquez Head of Fitbit Regulatory and Product Safety Fitbit, Inc. March 24, 2021 Adam Vasquez (Mar 24, 2021 16:25 PDT)

Fitbit, Inc. 199 Fremont Street, 14 th Floor San Francisco, CA 94105 FCC Supplier Declaration of Conformity Applicant : Fitbit, Inc. Equipment : Wireless Activity Tracker Brand Name : Fitbit Model Name : FB421 For product subject to authorization under Supplier’s Declaration of Conformity, Fitbit, Inc. shall be the responsible party, as designated in §2.909. The responsible party warrants that each unit of equipment marketed under Supplier’s Declaration of Conformity will be identical to the unit tested and found acceptable with the standards and that the records maintained by the responsible party continue to reflect the equipment being produced under such Supplier’s Declaration of Conformity within the variation that can be expected due to quantity production and testing on a statistical basis. For equipment subject to Supplier’s Declaration of Conformity, the responsible party must reevaluate the equipment if any modification or change adversely affects the emanation characteristics of the modified equipment. The responsible party bears responsibility for continued compliance of subsequently produced equipment. Responsible party: Responsible party (name): Adam Vasquez Head of Fitbit Regulatory and Product Safety Adam Vasquez (Mar 24, 2021 16:24 PDT)

PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 1 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 1. External Photograph of EUT Brand Name: Fitbit / Model Name: FB421 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 2 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 3 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 4 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 5 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 6 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 720510 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 7 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 2. Photograph of Accessory Brand Name: Fitbit / Model Name: FB421 Specification of Accessory Battery 1 Brand Name Fitbit Model Name ATL battery Battery 2 Brand Name Fitbit Model Name Highpower battery Battery 3 Brand Name Fitbit Model Name VDL battery USB Cable Brand Name Fitbit Model Name 455-0745-01 Wristband (blue hook and loop) Brand Name Fitbit Model Name Hook and Loop Wristband (Black leather) Brand Name Fitbit Model Name Brother Vellies Leather Scrunchies Remark: For accessories equipped with this EUT, please refer to the following photos. PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 8 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 720510 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 9 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 Battery 1 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 10 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 Battery 2 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 11 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 12 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 Battery 3

Fitbit, Inc. 199 Fremont Street, 14 th Floor San Francisco, CA 94105 Model FB421: E-Labeling To view the Regulatory information, users are able to access the information in 3 steps: 1) Click Settings 2) Click Device Info 3) Click Regulatory Info Upon successful completion of software update when pairing, the Regulatory Info menu option will display the additional regulatory information. The information is stored on the device, no special accessories or supplemental plug-ins (e.g. a SIM/USIM card) are required to access the information. This E-Label is pre-programmed by the applicant. The user cannot modify the E-Label information. An image of the E-Label screen is shown below. Fitbit, Inc. 199 Fremont Street, 14 th Floor San Francisco, CA 94105

Print at CM 75%50%25%K75%50%25% Print at CMDielineBlack 168 E. Highland Ave. Elgin, IL 60120 847.931.6301 Morgan UPC-A and serial code labels Label content and placement per region. Please adhere to bottom of box. BUZZ Regulatory Marks: EFIGS 2021 © Fitbit, Inc. All rights reserved. Trademarks registered and/or owned by Fitbit include Fitbit, Fitbit logo, Fitbit Charge. Third-party marks belong to their respective owners. g.co/patents Fitbit, Inc. 199 Fremont Street, 14th floor San Francisco, CA 94105 Fitbit International Ltd. 76 Lower Baggot St, Dublin 2, Ireland FCC ID: XRAFB421 M/N: FB421 280-0636-01 A Manufactured in Malaysia. Designed in San Francisco, CA. 21 21 2021 © Fitbit, Inc. All rights reserved. Trademarks registered and/or owned by Fitbit include Fitbit, Fitbit logo, Fitbit Charge. Third-party marks belong to their respective owners. g.co/patents Fitbit, Inc. 199 Fremont Street, 14th floor San Francisco, CA 94105 Fitbit International Ltd. 76 Lower Baggot St, Dublin 2, Ireland FCC ID: XRAFB421 M/N: FB421 280-0636-01 A Manufactured in Malaysia Designed in San Francisco, CA. Fitbit Limited 100 New Bridge Street London EC4V 6JA United Kingdom Fitbit Limited 100 New Bridge Street London EC4V 6JA United Kingdom 21 3AXXXXXXXXXX 3AXXXXXXXXXX 85.5 38 1 R 85.5 38 1 R TITLE BLOCK PART NO. TIED TO 280-0636-01 A 127-1180-01 126-0310-01 A REVISION LBL, ARTWORK, UPC CODE, EFIGS - MORGAN DESCRIPTION DIELINE NO.OWNER A. PAWAR DATE 04.06.2021 PROCESS COLORSPOT COLOR Y N Y N NO. OF COLORS 1 SPOT SPECS K @ 100% COATINGS/FINISHES ADDITIONAL NOTES C M Y CM MY CY CMY K 127-1180-01_Morgan_UPC_EFIGS_RD2.pdf 1 4/6/21 12:11 PM

PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 13 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 3. Internal Photograph of EUT Brand Name: Fitbit / Model Name: FB421 720510 Sample 1~3 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 14 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 15 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 16 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 17 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 18 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 19 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 20 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 21 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 22 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 23 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 24 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 25 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 Sample 1 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 26 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 27 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 28 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 Sample 2 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 29 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 30 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 31 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 Sample 3 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 32 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 33 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 34 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 Bluetooth and GPS Antenna PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 35 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 PHOTOGRAPHS OF EUT Report No.: EP120111-01 TEL : 886-3-327-3456 Page Number : 36 of 36 FAX : 886-3-328-4978 Issued Date : Jun. 11, 2021 Report Version : 01 ─────THE END──── NFC Antenna

SPORTON INTERNATIONAL INC. Page Number : 1 of 4 TEL : 886-3-327-3456 Report Issued Date : May 31, 2021 FAX : 886-3-328-4978 Report Version : Rev. 01 FCC ID : XRAFB421 RF Exposure Evaluation Report Report No. : FA120111-01 RF Exposure Evaluation Report FCC ID : XRAFB421 Equipment : Wireless Activity Tracker Brand Name : Fitbit Model Name : FB421 Applicant : Fitbit, Inc. 199 Fremont Street, 14th Floor, San Francisco, CA 94105 USA Manufacturer : Fitbit, Inc. 199 Fremont Street, 14th Floor, San Francisco, CA 94105 USA Standard : 47 CFR Part 2.1093 We, SPORTON INTERNATIONAL INC has been evaluated this product in accordance with 47 CFR Part 2.1093 and it complies with applicable limit. Sporton Lab is accredited to ISO 17025 by Taiwan Accreditation Foundation (TAF code: 1190) and the FCC designation No.TW1190 under the FCC 2.948(e) by Mutual Recognition Agreement (MRA) in FCC evaluation. SPORTON INTERNATIONAL INC. EMC & Wireless Communications Laboratory No. 52, Huaya 1st Rd., Guishan Dist., Taoyuan City, Taiwan (R.O.C.) Approved by: Cona Huang / Deputy Manager SPORTON INTERNATIONAL INC. Page Number : 2 of 4 TEL : 886-3-327-3456 Report Issued Date : May 31, 2021 FAX : 886-3-328-4978 Report Version : Rev. 01 FCC ID : XRAFB421 RF Exposure Evaluation Report Report No. : FA120111-01 Table of Contents 1. General Information ........................................................................................................................... 3 1.1 Description of Device Under Test (DUT) ........................................................................................... 3 2. Maximum RF output power among production units ......................................................................... 3 3. RF Exposure Evaluation .................................................................................................................... 4 Revision History REPORT NO. VERSION DESCRIPTION ISSUED DATE FA120111-01 Rev. 01 Initial issue of report May 31, 2021 SPORTON INTERNATIONAL INC. Page Number : 3 of 4 TEL : 886-3-327-3456 Report Issued Date : May 31, 2021 FAX : 886-3-328-4978 Report Version : Rev. 01 FCC ID : XRAFB421 RF Exposure Evaluation Report Report No. : FA120111-01 1. General Information 1.1 Description of Device Under Test (DUT) Product Feature & Specification FCC ID XRAFB421 DUT Type Wireless Activity Tracker Brand Name Fitbit Model Name FB421 Wireless Technology and Frequency Range Bluetooth: 2402 MHz ~ 2480 MHz NFC: 13.56MHz Mode Bluetooth LE NFC: ASK DUT Stage Identical Prototype Remark: The above DUT's information was declared by manufacturer. Please refer to the specifications or user's manual for more detailed description. 2. Maximum RF output power among production units Mode Maximum Output Power (dBm) Bluetooth LE 8 SPORTON INTERNATIONAL INC. Page Number : 4 of 4 TEL : 886-3-327-3456 Report Issued Date : May 31, 2021 FAX : 886-3-328-4978 Report Version : Rev. 01 FCC ID : XRAFB421 RF Exposure Evaluation Report Report No. : FA120111-01 3. RF Exposure Evaluation Bluetooth Max Power (dBm) mW Separation Distance (mm) Frequency (GHz) Exclusion Thresholds 8 6.31 5 2.48 1.99 Note: 1. Per KDB 447498 D01v06 the 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] ·[√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR  f(GHz) is the RF channel transmit frequency in GHz  Power and distance are rounded to the nearest mW and mm before calculation  The result is rounded to one decimal place for comparison Conclusion: Per KDB 447498 D01v06, when the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion. The test exclusion threshold is 1.99 which is <= 3, SAR testing is not required.

TEL : 886-3-327-0868 Page Number : 1 of 18 FAX : 886-3-327-0855 Issued Date : Jun. 09, 2021 Report Template No.: BU5-FR15CNFC Version 2.4 Report Version : 02 FCC RADIO TEST REPORT Report No. : FR120111-01B FCC RADIO TEST REPORT FCC ID : XRAFB421 Equipment : Wireless Activity Tracker Brand Name : Fitbit Model Name : FB421 Applicant : Fitbit, Inc. 199 Fremont Street, 14th Floor, San Francisco, CA 94105 USA Manufacturer : Fitbit, Inc. 199 Fremont Street, 14th Floor, San Francisco, CA 94105 USA Standard : FCC Part 15 Subpart C §15.225 The product was received on Apr. 07, 2021 and testing was started from Apr. 27, 2021 and completed on May 12, 2021. We, Sporton International Inc. Wensan Laboratory, would like to declare that the tested sample has been evaluated in accordance with the test procedures and has been in compliance with the applicable technical standards. The test results in this report apply exclusively to the tested model / sample. Without written approval of Sporton International Inc. Wensan Laboratory, the test report shall not be reproduced except in full. Approved by: Louis Wu Sporton International Inc. Wensan Laboratory No.58, Aly. 75, Ln. 564, Wenhua 3rd, Rd., Guishan Dist., Taoyuan City 333010, Taiwan (R.O.C.) TEL : 886-3-327-0868 Page Number : 2 of 18 FAX : 886-3-327-0855 Issued Date : Jun. 09, 2021 Report Template No.: BU5-FR15CNFC Version 2.4 Report Version : 02 FCC RADIO TEST REPORT Report No. : FR120111-01B Table of Contents History of this test report ....................................................................................................................................3 Summary of Test Result......................................................................................................................................4 1. General Description ........................................................................................................................................5 1.1 Product Feature of Equipment Under Test ............................................................................................................. 5 1.2 Modification of EUT ................................................................................................................................................ 5 1.3 Testing Location ..................................................................................................................................................... 5 1.4 Applicable Standards.............................................................................................................................................. 6 2. Test Configuration of Equipment Under Test ...............................................................................................7 2.1 Descriptions of Test Mode ...................................................................................................................................... 7 2.2 Connection Diagram of Test System ...................................................................................................................... 7 2.3 EUT Operation Test Setup ..................................................................................................................................... 8 3. Test Results .....................................................................................................................................................9 3.1 20dB and 99% OBW Spectrum Bandwidth Measurement ...................................................................................... 9 3.2 Frequency Stability Measurement ........................................................................................................................ 10 3.3 Field Strength of Fundamental Emissions and Mask Measurement ..................................................................... 11 3.4 Radiated Emissions Measurement ....................................................................................................................... 13 3.5 Antenna Requirements ......................................................................................................................................... 16 4. List of Measuring Equipment ...................................................................................................................... 17 5. Uncertainty of Evaluation ............................................................................................................................ 18 Appendix A. Test Results of Conducted Test Items A1. Test Result of 20dB Spectrum Bandwidth A2. Test Result of Frequency Stability Appendix B. Test Results of Radiated Test Items B1. Test Result of Field Strength of Fundamental Emissions B2. Results of Radiated Emissions (9 kHz~30MHz) B3. Results of Radiated Emissions (30MHz~1GHz) Appendix C. Setup Photographs TEL : 886-3-327-0868 Page Number : 3 of 18 FAX : 886-3-327-0855 Issued Date : Jun. 09, 2021 Report Template No.: BU5-FR15CNFC Version 2.4 Report Version : 02 FCC RADIO TEST REPORT Report No. : FR120111-01B History of this test report Report No. Version Description Issued Date FR120111-01B 01 Initial issue of report May 19, 2021 FR120111-01B 02 1. Revise remark description in section 2.1 2. Revise remark description in section 3.4.6 Jun. 09, 2021 TEL : 886-3-327-0868 Page Number : 4 of 18 FAX : 886-3-327-0855 Issued Date : Jun. 09, 2021 Report Template No.: BU5-FR15CNFC Version 2.4 Report Version : 02 FCC RADIO TEST REPORT Report No. : FR120111-01B Summary of Test Result Report Clause Ref Std. Clause Test Items Result (PASS/FAIL) Remark - 15.207 AC Power Line Conducted Emissions Not Required - 3.1 15.215(c) 20dB Spectrum Bandwidth Pass - 2.1049 99% OBW Spectrum Bandwidth Reporting only - 3.2 15.225(e) Frequency Stability Pass - 3.3 15.225(a)(b)(c) Field Strength of Fundamental Emissions Pass Max level 4.98 dBμV/m at 13.560 MHz 3.4 15.225(d) 15.209 Radiated Spurious Emissions Pass Under limit 10.42 dB at 53.280MHz 3.5 15.203 Ant…

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TEL : 886-3-327-0868 Page Number : C1 of C1 FAX : 886-3-327-0855 Issued Date : Jun. 09, 2021 Report Template No.: BU5-FR15CNFC Version 2.4 Report Version : 02 FCC RADIO TEST REPORT Report No. : FR120111-01B Appendix C. Setup Photographs <Radiated Emission> Z Plane From 9kHz~30MHz From 30MHz~1GHz ─────THE END─────