UDX-600196027C8121-CW-G2,C8121-W-G2

Cisco Systems, Inc. 170 West Tasman Drive, San Jose, CA 95134 USA Cisco Confidential July 9, 2025 Grantee Signature Authorization Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 To Whom It May Concern: The following people are authorized by Cisco Systems to sign documents relating to this application for FCC product approval under FCC Grantee Code UDX , and ISED product approval under I SED registration 6961A on behalf of the company. Samuel Kim David Mun Should you have any questions about this description, please do not hesitate to contact me. Regards, Aurelio Llabres Compliance Manager Cisco Systems, Inc. Tel: +1 415-432-1000 Fax: +1 415 632-5899

[在此鍵入] Cisco Systems, Inc. 170 West Tasman Drive, San Jose, CA 95134 USA October 13, 2025 Declaration Letter for Indoor Access Points Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 We, Cisco Systems, Inc. , attest that this device under FCC ID: UDX-600196027 complies with the device protocol requirements and operational restrictions for Indoor Access Point Devices. a)This indoor access point can act as a master as defined in Section 15.202, allowing it to transmit without receiving an enabling signal. This mode can select a channel and initiate a network by sending enabling signals to client devices and subordinate devices. b) This Indoor Access Point operates in the 5.850-5.895 GHz band. It is supplied power from a wired connection, has an integrated antenna, is not battery-power ed, and does not have a weatherized enclosure. c)We acknowledge this device is subject to and in full compliance with the device restrictions listed below: •This device is for indoor use only. Indoor Access Points operating in the U-NII -4 band and U- NII -3 & -4 span channels shall be supplied power from a wired permanent indoor local power connection, use an integrated antenna, is not battery powered, and does not use a weatherized enclosure. •This device bears the following statement in a conspicuous location on the device and the user's manual: “FCC regulations restrict the operation of this device to indoor use only.” If you should have any questions regarding this declaration, please do not hesitate to contact us, thank you! Regards, ---------------------------------------- David J Mun Compliance Manager Cisco Systems, Inc. Tel: +1 415-432-10 00 Fax:+1 415-632-5899

CiscoSystems, Inc. 170 West Tasman Drive, San Jose, CA 95134 USA Rev 1/26/2023 November 28, 2025 Attestation Statements Part 2.911(d)(5)(i) Filing Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: UDX-600196027 Cisco Systems, Inc., 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. Cisco Systems, Inc., certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Device is inherently compliant based on hardware limitations or software controls. or A Software Bill of Materials (SBOM) is provided to the TCB for review, and The end-user or third parties cannot install additional software on this device. Sincerely, David J. Mun Compliance Manager Cisco Systems, Inc. Tel: +1 415-432-1000 Fax:+1 415-632-5899 CiscoSystems, Inc. 170 West Tasman Drive, San Jose, CA 95134 USA Rev 1/26/2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: UDX-600196027 Cisco Systems, Inc., certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Sincerely, David J. Mun Compliance Manager Cisco Systems, Inc. Tel: +1 415-432-1000 Fax:+1 415-632-5899

Cisco Systems, Inc. 170 West Tasman Drive, San Jose, CA 95134 USA October 13, 2025 Declaration of Professional Installation Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: UDX-600196027 Product Name: Router To whom it may concern: We, Cisco Systems, Inc., hereby declare that the device will be distributed through controlled distribution channels. This device is not intended for sale to the general public. Professional training and support are provided as part of an authorized partner program. Regards, David J Mun Compliance Manager Cisco Systems, Inc. Tel: +1 415-432- 1000 Fax:+1 415-632-5899

Cisco Systems, Inc. 170 West Tasman Drive, San Jose, CA 95134 USA October 13, 2025 U.S. Agent for Service of Process Attestation Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements Part 2.911(d)(7) Filing Grantee Code: UDX FRN: 0006884381 To Whom It May Concern: We, Cisco Systems, Inc. (“the app licant”), certifies that, as of the date of the filing of the application, designate ourselves as the U.S. agent for service of process. Designated U.S. Agent Information: FRN: 0006884381 Company Name: Cisco Systems, Inc. Address: 170 West Tasman Drive, San Jose, California 95134, United States Contact Person: Aurelio Llabres Tel.: 415-432- 1000 Email: [email protected] Regards, David J. Mun Compliance Manager Cisco Systems, Inc. Tel: +1 415-432- 1000 Fax:+1 415-632-5899

[在此鍵入] Cisco Systems, Inc. 170 West Tasman Drive, San Jose, CA 95134 USA October 13, 2025 Agent Authorization Federal Communications Commission 7435 Oakland M ills Road Columbia, MD 21046 To Whom It May Concern: Cisco Systems, Inc. hereby authorizes Andrea Hsia / Assistant Manager 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 Andrea Hsia / Assistant Manager of BV CPS Taoyuan on Cisco Systems, Inc .’s behalf, within the scope of the powers granted herein, shall have the same effect as acts of its own. I am therefore responsible for the contents of the application. FCC ID: UDX-600196027 If you have any questions regarding the authorization, p lease don’t hesitate to contact us. Regards, ---------------------------------------- David J. Mun Compliance Manager Cis co Systems, Inc. Tel: +1 415-432- 1000 Fax:+1 415-632-5899

Cisco Systems, Inc. 170 West Tasman Drive, San Jose, CA 95134 USA October 13, 2025 Request for Confidentiality Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 To Whom It May Concern: Long Term Confidentiality Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby respectfully request permanent confidential treatment of information accompanying this application as outlined below: • Block Diagrams • Schematics • Theory of Operation • Software Security For U-NII Devices • SDR Files The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. We understand that pursuant to Rule 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Cisco Systems, Inc. 170 West Tasman Drive, San Jose, CA 95134 USA David J Mun Short-term Confidentiality Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby respectfully request short-term confidential treatment of information accompanying this application as outlined below until 180 days after the Grant Date of Equipment Authorization in order to ensure sensitive business information remains confidential until the actual marketing of the device: • External Photos • Internal Photos • Test Setup photos • User Manuals Regards, Compliance Manager Cisco Systems, Inc. Tel: +1 415-432-1000 Fax:+1 415-632-5899

THIS DOCUMENT AND THE DATA DISCLOSED HEREIN OR WHEREWITH IS NOT TO BE REPRODUCED, USED, OR DISCLOSED IN WHOLE OR IN PART TO ANYONE WITHOUT THE PERMISSION OF CISCO MERAKI. THIS DOCUMENT AND THE DATA DISCLOSED HEREIN OR WHEREWITH IS NOT TO BE REPRODUCED, USED, OR DISCLOSED IN WHOLE OR IN PART TO ANYONE WITHOUT THE PERMISSION OF CISCO MERAKI. A4 A3 DWG/PART NUMBER: PRODUCT: TITLE/DESCRIPTION: REVISION: ARTWORK NUMBER: THIRD ANGLE PROJECTION SIZE: REVREVISION DESCRIPTIONREVISION DATE Notes: WASTE AREAS SHALL CONTAIN IDENTIFICATION OF PART NO. & CURRENT REV. (PER TITLE BLOCK OF THIS DRAWING) PARTS TO BE CONTAINED AND MARKED WITH PART NO., CURRENT REV. LEVEL, AND VENDOR IDENTIFICATION PER MECHANICAL ACCEPTANCE SPEC., DOCUMENT NO. 95-0669-XX , PARAGRAPH 8.1.2. SHEET 1 OF 1SCALE:1:1 #### ECO: A3 REGULATORY LABEL, TIAMAT C8121-W-G2 NFPORIGINAL2025/04/09 DWG/PART NUMBER: PRODUCT: TITLE/DESCRIPTION: REVISION: ARTWORK NUMBER: THIRD ANGLE PROJECTION SIZE: REVREVISION DESCRIPTIONREVISION DATE Notes: WASTE AREAS SHALL CONTAIN IDENTIFICATION OF PART NO. & CURRENT REV. (PER TITLE BLOCK OF THIS DRAWING) PARTS TO BE CONTAINED AND MARKED WITH PART NO., CURRENT REV. LEVEL, AND VENDOR IDENTIFICATION PER MECHANICAL ACCEPTANCE SPEC., DOCUMENT NO. 95-0669-XX , PARAGRAPH 8.1.2. #### ECO: NFP3POE update & Add marks2025/08/26 NFP1PID size update2025/07/11 NFP2POE & Arabic update2025/08/18 NFP5 NFP5Added Indoor Use Only2025/11/13 1)75u Polyester Film White Matte Label with Depressive Liner with laminate 2)Face Material: Semi-gloss paper 3)Adhesive: Acrylic Adhesive 4)Liner: White Glassine Release paper, Base Color: 100% coverage Cisco Smoke 5)Printed text and symbols: White 6)FINISH: PP, PPATM(T)(30)(N)J, TEMPERATURE RESISTANT: -40~100°C 7)UL APPROVED: CM-100T-030/CM-100U-030 8)LABEL EDGE TO LINER EDGE 3±0.5mm tolerance NOT FOR PRINT DO NOT PRINT NOT FOR PRINT UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN MILLIMETERS TOLERANCES: ±3.XX±.XXX±ANGLES:± NFP LABELS (AWAITING CERTIFICATIONS) BACKGROUND PRINT: CISCO SMOKE 75.2 mm 13.84 mm 37.76 mm NFP LabelBlank Label with Dimensions Model (Modèle, 型號/型号, رقم المودیل): C8121-W-G2 Power (Alimentation,輸入/输入): POE input: 54Vdc, 4.63 A PoE output: Single port 54Vdc 0.83A. 45W. Total output 165W Product Name (產品名稱/产品名称):路由器 PID VID: XX-XXXXXX-XX Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134 USA 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. CAN ICES-3 (B) / NMB-3 (B) XXX-XXXXXX XXX-XXXXXX TEXT PRINT COLOR: White BARCODE PID VID: XXXXXXX VXX BARCODE IMEI: XXXXXXXXXXXXXXX BARCODE MAC: WW:WW:WW:WW:WW:WW BARCODE S/N (N/S): XXXX-XXXX-XXXX Indoor Use Only Made in Taiwan Fabriqué à Taiwan Hecho en Taiwan Taiwan/Taiwan صنع في تایوان 10 D33272 RoHS FCC ID: UDX-600196025IC: 6961A-600196025 CCXXXXXXXXXXXX ANATEL ID: XXXX-XX-XXXX X-XXXX R-C-TNY-C8121-W-G2 HVIN: C8121-W-G2 V01

THIS DOCUMENT AND THE DATA DISCLOSED HEREIN OR WHEREWITH IS NOT TO BE REPRODUCED, USED, OR DISCLOSED IN WHOLE OR IN PART TO ANYONE WITHOUT THE PERMISSION OF CISCO MERAKI. THIS DOCUMENT AND THE DATA DISCLOSED HEREIN OR WHEREWITH IS NOT TO BE REPRODUCED, USED, OR DISCLOSED IN WHOLE OR IN PART TO ANYONE WITHOUT THE PERMISSION OF CISCO MERAKI. A4 A3 DWG/PART NUMBER: PRODUCT: TITLE/DESCRIPTION: REVISION: ARTWORK NUMBER: THIRD ANGLE PROJECTION SIZE: REVREVISION DESCRIPTIONREVISION DATE Notes: WASTE AREAS SHALL CONTAIN IDENTIFICATION OF PART NO. & CURRENT REV. (PER TITLE BLOCK OF THIS DRAWING) PARTS TO BE CONTAINED AND MARKED WITH PART NO., CURRENT REV. LEVEL, AND VENDOR IDENTIFICATION PER MECHANICAL ACCEPTANCE SPEC., DOCUMENT NO. 95-0669-XX , PARAGRAPH 8.1.2. SHEET 1 OF 1SCALE:1:1 #### ECO: REGULATORY LABEL, TIAMAT C8121-CW-G2 NFP1PID UPDATE2025/05/08 NFP2PID size update2025/07/11 NFP3POE & Arabic update2025/08/18 NFP4POE update & Add marks2025/08/26 NFP5 NFP5Added Indoor Use Only2025/11/13 UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN MILLIMETERS TOLERANCES: ±3.XX±.XXX±ANGLES:± 1)75u Polyester Film White Matte Label with Depressive Liner with laminate 2)Face Material: Semi-gloss paper 3)Adhesive: Acrylic Adhesive 4)Liner: White Glassine Release paper, Base Color: 100% coverage Cisco Smoke 5)Printed text and symbols: White 6)FINISH: PP, PPATM(T)(30)(N)J, TEMPERATURE RESISTANT: -40~100°C 7)UL APPROVED: CM-100T-030/CM-100U-030 8)LABEL EDGE TO LINER EDGE 3±0.5mm tolerance NOT FOR PRINT DO NOT PRINT NOT FOR PRINT NFP LABEL (AWAITING CERTIFICATIONS) 75.2 mm 13.84 mm 37.76 mm BLANK LABEL WITH DIMENSIONS Model (Modèle, 型號/型号, رقم المودیل): C8121-CW-G2 Power (Alimentation,輸入/输入): POE input: 54Vdc, 4.63 A PoE output: Single port 54Vdc 0.83A. 45W. Total output 165W Product Name (產品名稱/产品名称):路由器 PID VID: XX-XXXXXX-XX Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134 USA 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. CAN ICES-3 (B) / NMB-3 (B) XXX-XXXXXX XXX-XXXXXX D33272 RoHS 10 IC: 6961A-600196027 Contains IC: 2417C-EM92 FCC ID: UDX-600196027 Contains FCC ID: N7NEM92 : CCAF23Y00550T2 CCXXXXXXXXXXXX ANATEL ID: XXXX-XX-XXXX X-XXXX R-C-SWK-EM92 R-C-TNY-C8121-CW-G2 Indoor Use Only BACKGROUND PRINT: CISCO SMOKE TEXT PRINT COLOR: White BARCODE PID VID: XXXXXXX VXX BARCODE IMEI: XXXXXXXXXXXXXXX BARCODE MAC: WW:WW:WW:WW:WW:WW BARCODE S/N (N/S): XXXX-XXXX-XXXX Made in Taiwan Fabriqué à Taiwan Hecho en Taiwan Taiwan/Taiwan صنع في تایوان HVIN: C8121-CW-G2 V01

Brand: Cisco Model name: C8121-CW-G2, C8121-W-G2 FCC ID: UDX-600196027 IC:6961A-600196027 Label Location: Bottom of EUT

Report No.: MFBAPP-WTW-P25060159 Page No. 1 / 10 Report Format Version: 7.1.0 RF EXPOSURE REPORT CERTIFICATE OF CONFORMITY FCC Rule Part: FCC Part 2 (Section 2.1091) Report No.: MFBAPP-WTW-P25060159 FCC ID: UDX-600196027 Product: C8121-CW-G2, C8121-W-G2 Brand: Cisco Model No.: C8121-CW-G2 Series Model.: C8121-W-G2 Received Date: 2025/6/3 Test Date: 2025/7/24 ~ 2025/9/25 Issued Date: 2025/11/21 Applicant: Cisco Systems, Inc. Address: 170 West Tasman Drive, San Jose, CA 95134 USA Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch Lin Kou Laboratories 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 33383, Taiwan FCC Registration / Designation Number: 788550 / TW0003 Approved by: , Date: 2025/11/21 Jeremy Lin / Project Engineer This test report consists of 10 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 : Lena Wang / 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.: MFBAPP-WTW-P25060159 Page No. 2 / 10 Report Format Version: 7.1.0 Table of Contents Release Control Record ....................................................................................................................................................... 3 1 Certificate .................................................................................................................................................................... 4 2 Applicable RF Exposure Limit .................................................................................................................................. 5 3 Test Results ................................................................................................................................................................ 7 4 Conclusion .................................................................................................................................................................. 9 5 Information of the Testing Laboratories ................................................................................................................ 10 Report No.: MFBAPP-WTW-P25060159 Page No. 3 / 10 Report Format Version: 7.1.0 Release Control Record Issue No. Description Date Issued MFBAPP-WTW-P25060159 Original release. 2025/11/21 Report No.: MFBAPP-WTW-P25060159 Page No. 4 / 10 Report Format Version: 7.1.0 1 Certificate Product: C8121-CW-G2, C8121-W-G2 Brand: Cisco Test Model: C8121-CW-G2 Series Model: C8121-W-G2 Sample Status: Engineering sample Applicant: Cisco Systems, Inc. Test Date: 2025/7/24 ~ 2025/9/25 FCC Rule Part: FCC Part 2 (Section 2.1091) Standard: KDB 447498 D04 Interim General RF Exposure Guidance v01 The above equipment has been tested by Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch, 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 RF characteristics under the conditions specified in this report. Report No.: MFBAPP-WTW-P25060159 Page No. 5 / 10 Report Format Version: 7.1.0 2 Applicable RF Exposure Limit § 1.1310 Radiofrequency radiation exposure limits. (a) Specific absorption rate (SAR) shall be used to evaluate the environmental impact of human exposure to radiofrequency (RF) radiation as specified in § 1.1307(b) of this part within the frequency range of 100 kHz to 6 GHz (inclusive). (b) The SAR limits for occupational/controlled exposure are 0.4 W/kg, as averaged over the whole body, and a peak spatial-average SAR of 8 W/kg, averaged over any 1 gram of tissue (defined as a tissue volume in the shape of a cube). Exceptions are the parts of the human body treated as extremities, such as hands, wrists, feet, ankles, and pinnae, where the peak spatial-average SAR limit for occupational/controlled exposure is 20 W/kg, averaged over any 10 grams of tissue (defined as a tissue volume in the shape of a cube). Exposure may be averaged over a time period not to…

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Report No.: RFBAPP-WTW-P25060159-2 Page No. 1 / 69 Report Format Version: 7.1.0 TEST REPORT CERTIFICATE OF CONFORMITY Standard: 47 CFR FCC Part 15, Subpart C (Section 15.247) Report No.: RFBAPP-WTW-P25060159-2 FCC ID: UDX-600196027 Product: C8121-CW-G2, C8121-W-G2 Brand: Cisco Model No.: C8121-CW-G2 Series Model.: C8121-W-G2 (refer to item 3.1 for more details) Received Date: 2025/6/3 Test Date: 2025/6/11 ~ 2025/9/3 Issued Date: 2025/11/21 Applicant: Cisco Systems, Inc. Address: 170 West Tasman Drive, San Jose, CA 95134 USA Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch Lin Kou Laboratories 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 33383, Taiwan FCC Registration / Designation Number: 788550 / TW0003 Approved by: , Date: 2025/11/21 Jeremy Lin / Project Engineer This test report consists of 69 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 : Lena Wang / 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.: RFBAPP-WTW-P25060159-2 Page No. 2 / 69 Report Format Version: 7.1.0 Table of Contents Release Control Record ....................................................................................................................................................... 4 1 Certificate .................................................................................................................................................................... 5 2 Summary of Test Results .......................................................................................................................................... 6 2.1 Measurement Uncertainty ........................................................................................................................................ 6 2.2 Supplementary Information ...................................................................................................................................... 6 3 General Information ................................................................................................................................................... 7 3.1 General Description .................................................................................................................................................. 7 3.2 Antenna Description of EUT ..................................................................................................................................... 8 3.3 Channel List .............................................................................................................................................................. 9 3.4 Test Mode Applicability and Tested Channel Detail ................................................................................................ 10 3.5 Duty Cycle of Test Signal........................................................................................................................................ 11 3.6 Test Program Used and Operation Descriptions .................................................................................................... 13 3.7 Connection Diagram of EUT and Peripheral Devices ............................................................................................ 13 3.8 Configuration of Peripheral Devices and Cable Connections ................................................................................ 13 4 Test Instruments ...................................................................................................................................................... 14 4.1 RF Output Power .................................................................................................................................................... 14 4.2 Power Spectral Density .......................................................................................................................................... 14 4.3 6 dB Bandwidth ...............................................................................................…

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Report No.: ORBAPP-WTW-P25060159 Page No. 1 / 56 Report Format Version:6.1.2 Antenna Gain Measurement Report Report No.: ORBAPP-WTW-P25060159 Model No.: C8121-CW-G2 Received Date: 2025.6.20 Test Date: 2025.6.20 ~ 2025.6.23 Issued Date: 2025.7.22 Applicant: Cisco Systems, Inc. Address: 170 West Tasman Drive, San Jose, CA 95134 USA Manufacturer: Cisco Systems, Inc. Address: 170 West Tasman Drive, San Jose, CA 95134 USA Issued By: Bureau Veritas Consumer Products Services (Hong Kong) Limited, Taoyuan Branch Mobile Communications Laboratory Lab Address: No.19, Hwa Ya 2nd Rd., Kwei shan Dist., Taoyuan City, Taiwan (R.O.C) TAF Number: 2770 (OTA3-HY) Prepared by : , Date: 2025.7.22 Johnny Liu / Supervisor Approved by : , Date: 2025.7.22 Ken Chan / Manger 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.: ORBAPP-WTW-P25060159 Page No. 2 / 56 Report Format Version:6.1.2 Table of Contents Release Control Record .................................................................................................................................... 3 1 EUT Antenna System Description ........................................................................................................ 4 1.1 Antenna Information ............................................................................................................................. 4 1.2 Antenna Location (Configuration and RF Chains) ............................................................................... 4 2 Antenna Measurement ......................................................................................................................... 4 2.1 Antenna Measurement Chamber ......................................................................................................... 4 2.2 Reference Standard ............................................................................................................................. 4 2.3 Block diagram of antenna test set-up ................................................................................................... …

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