JNZYR0091Wireless Keyboard

Important Safety, Compliance and Warranty Information Informations importantes concernant la sécurité, la mise en conformité et la garantie FCC statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1) this device may not cause harmful interference, and 2) this device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates , uses and can radiate radio frequency energy. And, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: –Reorient or relocate the receiving antenna. –Increase the separation between the equipment and receiver. –Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. –Consult the dealer or an experienced radio/TV technician for help. Warning: Where shielded interface cables or accessories have been provided with the product or specified additional components or accessories elsewhere defined to be used with the installation of the product, they must be used in order to ensure compliance with FCC. Changes or modifications to product not expressly approved by Logitech, Inc could void your right to use or operate your product by the FCC. IC statement : CAN ICES-3 (B) / NMB-3 (B) This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions: (1) This device may not cause interference. (2) This device must accept any interference, including interference that may cause undesired operation of the device. Radiation Exposure Statement This wireless product complies with the FCC and Industry Canada RF exposure limit for portable devices. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Logitech Limited Hardware Product Warranty – A Summary Logitech warrants that its hardware product shall be free from defects in materials and workmanship for the length of time identified on your product package beginning from the date of the original retail purchase. See support.logitech. com for specific warranty information about your product and procedures to act on a warranty claim. Logitech’s entire liability and your exclusive remedy for any breach of warranty shall be, at Logitech’s option, to repair or replace a functional equivalent of the product, or to refund the price paid, if the hardware is returned to the point of purchase or such other place as Logitech may direct along with a receipt. Warranty protections are in addition to rights provided under local consumer laws and may vary among countries. See full warranty information to know your consumer rights and the additional protections provided by this product warranty. Logitech Address: Logitech, Inc., 7700 Gateway Blvd. Newark, California 94560. Contact Information for Asia Pacific Consumers: Logitech Asia Pacific Limited, Unit 1003, Tower One, Cheung Sha Wan Plaza, 833 Cheung Sha Wan Road, Kowloon, Hong Kong. Full Warranty Information: support.logitech.com For Australia/New Zealand Consumers Only: Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and for compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure. This warranty is provided by Logitech International SA, EPFL - Innovation Park, Daniel Borel Innovation Center, 1015 Lausanne, Switzerland. Contact information for Australia/New Zealand Consumers Only: The Woolstores Alexandria, Shed 72, Suite 2.01A, 4F Huntley Street, Alexandria, Sydney, NSW Australia 2015. Telephone: 1 800-025-544. For any product /warranty -related questions, please contact Customer Care (www.logitech.com/contact). Français Lire le manuel avant utilisation. AVERTISSEMENT RELATIF AUX PILES: Un remplacement incorrect des piles peut présenter des risques de fuite, d’explosion et de blessure. Risque d’explosion ou d’incendie en cas d’utilisation de piles non appropriées. Assurez-vous que les piles sont installées correctement en suivant les instructions fournies. Les piles rechargeables peuvent présenter des risques d’incendie ou de brûlure chimique si elles ne sont pas manipulées comme il se doit. Ne pas démonter ou exposer à des matériaux conducteurs, à l’humidité, à du liquide ou à une température supérieure à 54° C. Une batterie soumise à une pression d’air extrêmement faible peut provoquer une explosion ou une fuite de liquide ou de gaz inflammable. Ne les utilisez pas et ne les rechargez pas si vous observez une fuite, une décoloration, une déformation ou une quelconque anomalie. Ne laissez pas les piles déchargées ou inutilisées pendant de longues périodes. Ne pas court-circuiter. Il est possible que votre dispositif contienne une pile rechargeable interne ne pouvant pas être remplacée. La longévité de la batterie/des piles varie en fonction de leur utilisation. Les piles hors d’usage doivent être mises au rebut conformément aux directives locales. S’il n’existe aucune loi ou aucun règlement en vigueur, veuillez…

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Date: 2023-02-06 FCC ID: JNZYR0091 To the attention of Federal Communications Commission Authorization and Evaluation Division Attestation Statements Attestation Statements Part 2.911(d)(5)(i) Filing LOGITECH FAR EAST LTD. 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. Attestation Statements Part 2.911(d)(5)(ii) Filing LOGITECH FAR EAST LTD. 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. Sincerely yours, ----------------------------------------------- Paul Zahra / Senior Manager, Compliance Engineering LOGITECH FAR EAST LTD. Tel: +1-510-713-5436 E-mail: [email protected]

U.S. Agent for Service of Process Attestation To the attention of Federal Communications Commission Authorization and Evaluation Division U.S. Agent Company Name: LOGITECH FAR EAST LTD. Contact Name: Paul Zahra Street Address: 7700 Gateway Boulevard City/Province/Zip: 94560 Telephone No: 5107135436 Email: [email protected] This letter is to confirm that we have accepted the responsibility to act as the designated U.S. Agent for service of process as required by §2.911(d)(7) on behalf of the Applicant noted below. U.S. Agent Signature: Date: 2023-02-06 Signed by (printed name): Paul Zahra Applicant Company name: LOGITECH FAR EAST LTD. Grantee Code or FCC ID: JNZYR0091 Contact Name: Paul Zahra Street Address: 7700 Gateway Boulevard City/Province/Zip: 94560 Telephone No: 5107135436 Email: [email protected] This letter is to confirm that the Applicant has designated the U.S Agent noted above for the purpose of accepting service of process on their behalf as required by §2.911(d)(7). Th e Applicant further acknowledges acceptance 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. Applicant Signature: Date: 2023-02-06 Signed by (printed name): Paul Zahra

LOGITECH FAR EAST LTD. 7700 Gateway Boulevard Newark California United States Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 Subject: Request for Confidentiality FCC ID: JNZYR0091 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 Theory of Operation 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 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 after the Grant of Equipment Authorization. External Photos Internal Photos User Manual Test Setup photos 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. Best Regards Paul Zahra / Senior Manager, Compliance Engineering LOGITECH FAR EAST LTD. Tel: +1-510-713-5436 E-mail: [email protected] 01/02/2023

LOGITECH FAR EAST LTD. 7700 Gateway Boulevard Newark California United States Date: 2023-01-10 FCC ID: JNZYR0091 AUTHORIZATION LETTER To Whom It May Concern: LOGITECH FAR EAST LTD. hereby authorizes Debby Lin / Senior Specialist of Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch (“BV CPS Taoyuan”), to act on its behalf in all matters relating to the Federal Communication Commission (“FCC”) application for equipment authorization in connection with the FCC ID listed above, including signing of all documents relating to these matters. Any and all acts carried out by Debby Lin / Senior Specialist of BV CPS Taoyuan on LOGITECH FAR EAST LTD.’s behalf, within the scope of the powers granted herein, shall have the same effect as acts of its own. If you have any questions regarding the authorization, please don’t hesitate to contact us. Sincerely yours, ----------------------------------------------- Paul Zahra / Senior Manager, Compliance Engineering LOGITECH FAR EAST LTD. Tel: +1-510-713-5436 E-mail: [email protected]

Reference No.:BDKG-WTW-P22090085_EXT Page 1/5 CONSTRUCTION PHOTOS OF EUT Reference No.:BDKG-WTW-P22090085_EXT Page 2/5 Reference No.:BDKG-WTW-P22090085_EXT Page 3/5 Reference No.:BDKG-WTW-P22090085_EXT Page 4/5 Reference No.:BDKG-WTW-P22090085_EXT Page 5/5

FCC/IC Label & Label Location The label will be permanently affixed at a conspicuous location on the device Back of the EUT Label here FCC ID: JNZYR0091 I IC: 4418A-YR0091

Reference No.:BDKG-WTW-P22090085_INT Page 1/3 CONSTRUCTION PHOTOS OF EUT Reference No.:BDKG-WTW-P22090085_INT Page 2/3 Antenna Reference No.:BDKG-WTW-P22090085_INT Page 3/3

SAR Test Report Report Format Version 5.0.0 Page No. : 1 of 25 Report No. : SFBDKG-WTW-P22090085 Issued Date : Feb. 02, 2023 SAR Test Report Report No. : SFBDKG-WTW-P22090085 Applicant : Logitech Far East Ltd. Address : 7700 Gateway Boulevard Newark California United States Product : Wireless Keyboard FCC ID : JNZYR0091 Brand : Logitech Model No. : YR0091 FCC Rule Part CFR §2.1093 Standards : IEC/IEEE 62209-1528:2020, KDB 865664 D01 v01r04, KDB 865664 D02 v01r02, KDB 447498 D04 Interim General RF Exposure Guidance v01 Sample Received Date : Sep. 27, 2022 Date of Testing : Jan. 11, 2023 Lab Address : No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City, Taiwan Test Location : No. 19, Hwa Ya 2nd Rd., Wen Hwa Vil., Kwei Shan Dist., Taoyuan City, Taiwan CERTIFICATION: The above equipment have been tested by Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch–Lin Kou Laboratories, and found compliance with the requirement of the above standards. The test record, data evaluation & Equipment Under Test (EUT) configurations represented herein are true and accurate accounts of the measurements of the sample’s SAR characteristics under the conditions specified in this report. It should not be reproduced except in full, without the written approval of our laboratory. The client should not use it to claim product certification, approval, or endorsement by TAF or any government agencies. Prepared By : Gina Liu / Specialist Approved By : Gordon Lin / Manager FCC Accredited No.: TW0003 This report is governed by, and incorporates by reference, the Conditions of Testing as posted at the date of issuance of this report at http://www.bureauveritas.com/home/about-us/our- business/cps/about-us/terms-conditions/ and is intended for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. Measurement uncertainty is only provided upon request for accredited tests. Statements of conformity are based on simple acceptance criteria without taking measurement uncertainty into account, unless otherwise requested in writing. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence or if you require measurement uncertainty; provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. SAR Test Report Report Format Version 5.0.0 Page No. : 2 of 25 Report No. : SFBDKG-WTW-P22090085 Issued Date : Feb. 02, 2023 Table of Contents Release Control Record ............................................................................................................................................................... 3 1. Summary of Maximum SAR Value ....................................................................................................................................... 4 2. Description of Equipment Under Test ................................................................................................................................. 5 3. SAR Measurement System ................................................................................................................................................... 6 3.1 Definition of Specific Absorption Rate (SAR) ............................................................................................................... 6 3.2 SPEAG DASY6 System ............................................................................................................................................... 6 3.2.1 Robot ............................................................................................................................................................... 7 3.2.2 Probes ............................................................................................................................................................. 8 3.2.3 Data Acquisition Electronics (DAE) .................................................................................................................. 8 3.2.4 Phantoms ......................................................................................................................................................... 8 3.2.5 Device Holder .................................................................................................................................................. 9 3.2.6 System Validation Dipoles ............................................................................................................................. 10 3.2.7 Power Source ................................................................................................................................................ 10 3.2.8 Tissue Simulating Liquids .............................................................................................................................. 11 3.3 SAR System Verification ............................................................................................................................................ 13 3.4 SAR Measurement Procedure ................................................................................................................................... 14 3.4.1 Area Scan …

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Plots of System Verification Page No. : 1 of 2 Appendix A. Plots of System Verification The plots for system verification are shown as follows. Report No.: SFBDKG-WTW-P22090085 Plots of System Verification Page No. : 2 of 2 Test Laboratory: Bureau Veritas ADT SAR/HAC Testing Lab Date: 2023/1/11 S01 System Check_H2450_20230111 DUT: Dipole 2450 MHz; Type: D2450V2; SN: 737 Communication System: UID 0, CW; Frequency: 2450 MHz;Duty Cycle: 1:1 Medium: H06T27N1_0111 Medium parameters used: f = 2450 MHz; σ = 1.861 S/m; ε r = 39.945; ρ = 1000 kg/m 3 Ambient Temperature：22.2 °C ; Liquid Temperature：21.9 °C DASY5 Configuration: - Probe: EX3DV4 - SN3650; ConvF(7.82, 7.82, 7.82) @ 2450 MHz; Calibrated: 2022/3/24 - Sensor-Surface: 1.4mm (Mechanical Surface Detection) - Electronics: DAE4 Sn861; Calibrated: 2022/3/23 - Phantom: ELI Phantom_1206; Type: QDOVA001BB; - Measurement SW: DASY52, Version 52.10 (4); SEMCAD X Version 14.6.14 (7501) Pin=50mW/Area Scan (81x81x1): Interpolated grid: dx=1.200 mm, dy=1.200 mm Maximum value of SAR (interpolated) = 4.01 W/kg Pin=50mW/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 47.71 V/m; Power Drift = -0.05 dB Peak SAR (extrapolated) = 5.03 W/kg SAR(1 g) = 2.39 W/kg; SAR(10 g) = 1.12 W/kg (SAR corrected for target medium) Maximum value of SAR (measured) = 4.08 W/kg Report No.: SFBDKG-WTW-P22090085 Plots of Measurement Page No. : 1 of 2 Appendix B. Plots of Measurement The SAR plots for highest measured SAR in each exposure configuration, wireless mode and frequency band combination are shown as follows. Report No.: SFBDKG-WTW-P22090085 Plots of Measurement Page No. : 2 of 2 Test Laboratory: Bureau Veritas ADT SAR/HAC Testing Lab Date: 2023/1/11 P01 BT_LE_Front Face of Keyboard_0mm_Ch0_Ant 0 DUT: BDKG-WTW-P22090085 Communication System: UID 10670 - AAA, Bluetooth Low Energy; Frequency: 2402 MHz;Duty Cycle: 1:1 Medium: H06T27N1_0111 Medium parameters used: f = 2402 MHz; σ = 1.823 S/m; ε r = 40.028; ρ = 1000 kg/m 3 Ambient Temperature：22.2 °C ; Liquid Temperature：21.9 °C DASY5 Configuration: - Probe: EX3DV4 - SN3650; ConvF(7.82, 7.82, 7.82) @ 2402 MHz; Calibrated: 2022/3/24 - Sensor-Surface: 1.4mm (Mechanical Surface Detection) - Electronics: DAE4 Sn861; Calibrated: 2022/3/23 - Phantom: ELI Phantom_1206; Type: QDOVA001BB; - Measurement SW: DASY52, Version 52.10 (4); SEMCAD X Version 14.6.14 (7501) Area Scan (141x271x1): Interpolated grid: dx=1.200 mm, dy=1.200 mm Maximum value of SAR (interpolated) = 0.121 W/kg Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 5.984 V/m; Power Drift = -0.05 dB Peak SAR (extrapolated) = 0.219 W/kg SAR(1 g) = 0.088 W/kg; SAR(10 g) = 0.037 W/kg (SAR corrected for target medium) Maximum value of SAR (measured) = 0.157 W/kg Report No.: SFBDKG-WTW-P22090085 Appendix Z. Calibration Certificate for Probe and Dipole The SPEAG calibration certificates are shown as follows. Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Model：D2450V2S/N：737Measurement Date： 2022/8/25 Frequency (MHz) Type Item Previous Measurement Annual Check Deviation Accepted Tolerance Result Real Impedance 53.98951.387-2.602±5ΩPASS Imaginary Impedance 4.29265.36051.07±5ΩPASS Return Loss -24.989-24.145-3.38%±20%PASS 2450 Free Space 2450 MHz，Free Space Annual Confirmation of SAR Reference Dipole Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085 Report No.: SFBDKG-WTW-P22090085

1 Report No: EVT-700-006273 Page 1 of 12 Logitech Antenna Under Test (AUT) Report Model Name: YR0091 Equipment Type: Keyboard Manufacturer: Logitech Far East LTD. Test Location: #2, Creation Rd. 4, Science-based Ind. Park Hsinchu Taiwan, R.O.C Tested by: Jin Cui Report Date: 2022.12.14 2 Report No: EVT-700-006273 Page 2 of 12 Report Release History Report version Description Date Issued YR0091 AUT Report Original release 2022/12/14 Table of Contents 1. EUT Antenna Description 3 1.1 Antenna information 3 1.2 Antenna Location 3 1.3 Antenna Mechanical specification 3 2. Measured Values and Calculation of Antenna Gains 3 3. Conducted Power Measurement 3 3.1 Test Setup 4 3.2 Test Instruments 4 3.3 Test Procedure 4 3.4 Test Result of RF conducted Power 4 4. 2D Radiation Pattern Measurement 5 4.1 Test Location 5 4.2 Description of the anechoic chamber 5 4.3 Test Instruments 5 4.4 Test Procedure 6 4.5 Test Setup photos 7 4.6 2D Pattern Test Plot 7 5. Appendix for Logi internal reference 12 3 Report No: EVT-700-006273 Page 3 of 12 1. EUT Antenna Information 1) Antenna Material：PCB on board 2) Antenna Type：Reverted F 3) Antenna Dimension: 20 x 8 mm 4) Operating Frequency：2.4GHz-2.5GHz 5) Input Impedance：50Ω 6) Standing-Wave Ratio：2:1 2. Measured Values and Calculation of Antenna Gains Measure peak horizontal/vertical EIRP on each x-y, y-z, x-z plane. The highest measured values will be used to calculate the antenna peak gain. Antenna Peak Gain (dBi) = Max EIRP(dBm) - Conducted Power (dBm) Frequency X-Y Plane (ø =156 deg@max EIRP) X-Z Plane (ø =-69 deg@max EIRP) Y-Z Plane (ø =-114 deg@max EIRP) Max Peak EIRP (dBm) Conducted Power (dBm) Antenna Peak Gain (dBi) Ver. Peak EIRP (dBm) Hori. Peak EIRP (dBm) Ver. Peak EIRP (dBm) Hori. Peak EIRP (dBm) Ver. Peak EIRP (dBm) Hori. Peak EIRP (dBm) 2402 -13.86 7.56 4.27 5.46 2.17 -5.21 7.56 4.03 3.53 2440 -11.20 7.46 5.35 5.22 2.65 -2.88 7.46 3.86 3.60 2480 -10.47 6.64 5.85 5.85 1.17 -2.71 6.64 3.96 2.68 Test Date: 2022.12.14 3. Conducted Power Measurement 4 Report No: EVT-700-006273 Page 4 of 12 3.1 Test Setup 3.2 Test Instruments Description Model No. Serial No. Last Calibration Spectrum Analyzer Keysight N9020B N/A 2022.7.14 Note: The calibration interval of the above test instruments is 12 months 3.3 Test Procedure A spectrum analyzer was used to perform output power measurement, setting the detector to normal and configuring EUT continuously transmitting power. 3.4 Test Result of RF conducted Power Frequency Conducted Power (dBm) 2402 4.03 2440 3.86 2480 3.96 Test Date: 2022.12.12 EUT Spectrum Analyzer or Power meter Attenuator 5 Report No: EVT-700-006273 Page 5 of 12 4. 2D Radiation Pattern Measurement 4.1 Test Location Song shan Rd. 3, New district, Logi company Ltd. Suzhou, China 4.2 Description of the anechoic chamber Length: 5.0m Width: 2.8m Height: 2.8m 4.3 Test Instruments Description Model No. Serial No. Last Calibration Spectrum Analyzer Keysight N9010A N/A 2022.7.14 Horn Antenna ETS N/A N/A N/A 6 Report No: EVT-700-006273 Page 6 of 12 RF signal cable SUCOFLEX104 SN293270/4 N/A Software N/A N/A N/A Turntable controller BJ3AC-100 N/A N/A Chamber N/A N/A N/A Absorber 30MHz~40G Hz N/A N/A N/A LNA LN1G11 N/A N/A Note: The calibration interval of the above test instruments is 12 months 4.4 Test Procedure i. Connect the EUT to Spectrum Analyzer and record the power setting of EUT and the measured conducted power. ii. Fasten the EUT in the center of the turntable, record the coordinates and take pictures. iii. Configuring EUT continuously transmitting power(100% duty cycle). iv. Make sure the transmit signal is stable and at the maximum RF power level. v. Setup the channel power function by spectrum analyzer. vi. Read the channel power level on the spectrum analyzer and record in the following positions. 1. The turntable is then stepped between 0 to 360 degrees along the horizontal plane in 3-degree increments. 2. Data is recorded using the spectrum analyzer at each position. vii. Rotate the EUT with 90 degrees and repeat step f.1 and step f.2 until all 3 planes(X-Y,X-Z,Y-Z) were measured. viii. Antenna Peak Gain (dBi) = Max EIRP(dBm) - Conducted Power (dBm) 7 Report No: EVT-700-006273 Page 7 of 12 4.5 Test Setup photos confidentiality 4.6 2D Pattern Test Plot Test antenna_Horizontal （XY plane） Test antenna_Vertical (XY plane) 8 Report No: EVT-700-006273 Page 8 of 12 X-Z Plane: Horizontal 9 Report No: EVT-700-006273 Page 9 of 12 X-Z Plane: Vertical 10 Report No: EVT-700-006273 Page 10 of 12 Y-Z Plane: Horizontal 11 Report No: EVT-700-006273 Page 11 of 12 Y-Z Plane: Vertical 12 Report No: EVT-700-006273 Page 12 of 12 5. Appendix for Logi internal reference

Report No.: RFBDKG-WTW-P22090085 Page No. 1 / 67 Report Format Version: 7.1.0 Reference No.: BDKG-WTW-P22090085 TEST REPORT CERTIFICATE OF CONFORMITY Standard: 47 CFR FCC Part 15, Subpart C (Section 15.247) Report No.: RFBDKG-WTW-P22090085 FCC ID: JNZYR0091 Product: Wireless Keyboard Brand: Logitech Model No.: YR0091 Received Date: 2022/12/15 Test Date: 2022/12/19 ~ 2022/12/28 Issued Date: 2023/1/11 Applicant: Logitech Far East Ltd. Address: 7700 Gateway Boulevard Newark California United States Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch Hsin Chu Laboratory Lab Address: E-2, No.1, Li Hsin 1st Road, Hsinchu Science Park, Hsinchu City 300, Taiwan Test Location: E-2, No.1, Li Hsin 1st Road, Hsinchu Science Park, Hsinchu City 300, Taiwan FCC Registration / Designation Number: 723255 / TW2022 Approved by: , Date: 2023/1/11 May Chen / Manager This test report consists of 67 pages in total. It may be duplicated completely for legal use with the approval of the applicant. It should not be reproduced except in full, without the written approval of our laboratory. The test results in the report only apply to the tested sample. The test results in this report are traceable to the national or international standards. Prepared by : Claire Kuan / Specialist This report is governed by, and incorporates by reference, the Conditions of Testing as posted at the date of issuance of this report at http://www.bureauveritas.com/home/about-us/our- business/cps/about-us/terms-conditions/ and is intended for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. Measurement uncertainty is only provided upon request for accredited tests. Statements of conformity are based on simple acceptance criteria without taking measurement uncertainty into account, unless otherwise requested in writing. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence or if you require measurement uncertainty; provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Report No.: RFBDKG-WTW-P22090085 Page No. 2 / 67 Report Format Version: 7.1.0 Reference No.: BDKG-WTW-P22090085 Table of Contents Release Control Record ....................................................................................................................................................... 4 1 Certificate ............................................................................................................................................…

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