I88EX3510-B1AX5700 WiFi6 Gigabit Ethernet Gateway

Confidential Letter Date: July 12, 2022 Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 Subject: Request for Confidentiality FCC ID：I88EX3510-B1 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 confidential treatment of information accompanying this application as outlined below: ● Block Diagrams ● Schematics ● Operational Description 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. 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 ● Users Manuals Respectfully, Applicant’s company name : Zyxel Communications Corporation Applicant’s company address : No.2 Industry East RD. IX, Hsinchu Science Park, Hsinchu 30075, Taiwan Signature : Name and Job Title : Emma Bao / Manager E-Mail : [email protected] Tel : 886 3-5783942 #88582 Fax : 886 578-2439

Power of Attorney Date: July 12, 2022 Dear Sir, I hereby have entrusted the following person to be a proxy regarding application for Type Certification. Sporton International Inc. Hsinchu Laboratory Address : No.8, Lane 724, Bo-ai St., Jhubei City, HsinChu County 302, Taiwan, R.O.C. Name : Leo Huang Job Title : Manager e-mail : [email protected] I am therefore responsible for the contents of the application. FCC ID: I88EX3510-B1 Respectfully, Applicant’s company name : Zyxel Communications Corporation Applicant’s company address : No.2 Industry East RD. IX, Hsinchu Science Park, Hsinchu 30075, Taiwan Signature : Name and Job Title : Emma Bao / Manager E-Mail : [email protected] Tel : 886 3-5783942 #88582 Fax : 886 578-2439

PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 1 of 7 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP Brand Name: ZYXEL, Google Fiber Model Name: EX3510-B1, C3510XZ, GRAX110Z PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 2 of 7 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 3 of 7 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 4 of 7 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 5 of 7 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP Adapter PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 6 of 7 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP Ethernet cable Colors: Yellow PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 7 of 7 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP Ethernet cable Colors: Blue

FCC ID: I88EX3510-B1 Label: Brand: ZYXEL, Model: EX3510-B1 (1) Brand: ZYXEL, Model: EX3510-B1 (2) Brand: ZYXEL, Model: C3510XZ Brand: Google Fiber, Model: GRAX110Z Unit: mm Label Location: Bottom Label Here

PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 1 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP Brand Name: ZYXEL, Google Fiber Model Name: EX3510-B1, C3510XZ, GRAX110Z 2G Ant3 5G Ant1 2G Ant2 5G Ant2 5G Ant3 5G Ant4 2G Ant1 PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 2 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 3 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 4 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 5 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 6 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 7 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 8 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 9 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 10 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 11 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 12 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 13 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 14 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 15 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 16 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 17 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 18 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 19 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 20 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 21 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 22 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 23 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 24 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Version : 01 Report Template No.: CB Ver1.1_EP PHOTOGRAPHS OF EUT Report No. : EP252023 Sporton International Inc. Hsinchu Laboratory Page Number : 25 of 27 TEL : 886-3-656-9065 Issued Date : Aug. 08, 2022 FAX : 886-3-656-9085 EP Report Ve…

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RADIO EXPOSURE TEST REPORT Report No. : FA252023 TEL : 886-3-656-9065 Page Number : 2 of 11 FAX : 886-3-656-9085 Issued Date : Aug. 05, 2022 Report Template No.: CB-A1_1 Ver1.1 Report Version : 01 Table of Contents History of this test report ................................................................................................................................. 3 Summary of Test Result................................................................................................................................... 4 1 General Description ............................................................................................................................. 5 1.1 EUT General Information ....................................................................................................................... 5 1.2 Antenna Information ............................................................................................................................... 6 1.3 Table for Multiple Listing ........................................................................................................................ 7 1.4 Accessories ............................................................................................................................................ 7 1.5 Applicable Standards ............................................................................................................................. 7 1.6 Testing Location ..................................................................................................................................... 8 2 Maximum Permissible Exposure ........................................................................................................ 9 2.1 Limit of Maximum Permissible Exposure ............................................................................................... 9 2.2 MPE Calculation Method ........................................................................................................................ 9 2.3 MPE Exemption .................................................................................................................................... 10 2.4 Calculated Result and Limit .................................................................................................................. 11 Photographs of EUT v01 RADIO EXPOSURE TEST REPORT Report No. : FA252023 TEL : 886-3-656-9065 Page Number : 3 of 11 FAX : 886-3-656-9085 Issued Date : Aug. 05, 2022 Report Template No.: CB-A1_1 Ver1.1 Report Version : 01 History of this test report Report No. Version Description Issued Date FA252023 01 Initial issue of report Aug. 05, 2022 RADIO EXPOSURE TEST REPORT Report No. : FA252023 TEL : 886-3-656-9065 Page Number : 4 of 11 FAX : 886-3-656-9085 Issued Date : Aug. 05, 2022 Report Template No.: CB-A1_1 Ver1.1 Report Version : 01 Summary of Test Result Report Clause Ref Std. Clause Test Items Result (PASS/FAIL) Remark 2 - Exposure evaluation PA SS - Declaration of Conformity: 1. The test results with all measurement uncertainty excluded are presented in accordance with the regulation limits or requirements declared by manufacturers. It’s means measurement values may risk exceeding the limit of regulation standards, if measurement uncertainty is include in test results. 2. The measurement uncertainty please refer to report ”Measurement Uncertainty”. Comments and Explanations: The declared of product specification for EUT presented in the report are provided by the manufacturer, and the manufacturer takes all the responsibilities for the accuracy of product specification. Reviewed by: Sam Chen Report Producer: Wendy Pan RADIO EXPOSURE TEST REPORT Report No. : FA252023 TEL : 886-3-656-9065 Page Number : 5 of 11 FAX : 886-3-656-9085 Issued Date : Aug. 05, 2022 Report Template No.: CB-A1_1 Ver1.1 Report Version : 01 1 General Description 1.1 EUT General Information RF General Information Evaluation Mode Frequency Range (MHz) Operating Frequency (MHz) Modulation Type 2.4GHz WLAN 2400-2483.5 2412-2462 802.11b: DSSS (DBPSK, DQPSK, CCK) 802.11g/n: OFDM (BPSK, QPSK, 16QAM, 64QAM) VHT: OFDM (BPSK, QPSK, 16QAM, 64QAM, 256QAM) 802.11ax: OFDMA (BPSK, QPSK, 16QAM, 64QAM, 256QAM, 1024QAM) 5GHz WLAN 5150-5250 5250-5350 5470-5725 5725-5850 5180-5250 5250-5320 5500-5720 5745-5825 802.11a/n: OFDM (BPSK, QPSK, 16QAM, 64QAM) 802.11ac: OFDM (BPSK, QPSK, 16QAM, 64QAM, 256QAM) 802.11ax: OFDMA (BPSK, QPSK, 16QAM, 64QAM, 256QAM, 1024QAM) RADIO EXPOSURE TEST REPORT Report No. : FA252023 TEL : 886-3-656-9065 Page Number : 6 of 11 FAX : 886-3-656-9085 Issued Date : Aug. 05, 2022 Report Template No.: CB-A1_1 Ver1.1 Report Version : 01 1.2 Antenna Information Ant. No. (Define by manufacturer) Antenna Position RF Port Brand Name Model Name Ant. Type Connector Modes of Operation 2.4G-Ant.0 2G Ant1 1 W HAYU 65-034-000142B PCB none (like solder) 2.4GHz 2.4G-Ant.1 2G Ant2 2 W HAYU 65-034-000192B PCB none (like solder) 2.4GHz 2.4G-Ant.2 2G Ant3 3 W HAYU 65-034-000141B PCB none (like solder) 2.4GHz 5G-Ant.0 5G Ant1 1 W HAYU 65-034-000147B PCB I-PEX 5GHz UNII 1~3 5G-Ant.1 5G Ant2 2 W HAYU 65-034-000195B PCB I-PEX 5GHz UNII 1~3 5G-Ant.2 5G Ant3 3 W HAYU 65-034-000194B PCB I-PEX 5GHz UNII 1~3 5G-Ant.3 5G Ant4 4 W HAYU 65-034-000193B PCB I-PEX 5GHz UNII 1~3 Antenna Position RF Port Gain (dBi) WLAN 2.4GHz WLAN 5GHz 2400MHz 2450MHz 2483.5MHz UNII 1 UNII 2A UNII 2C UNII 3 2G Ant1 1 3.64 3.76 3.35 - - - - 2G Ant2 2 - - - - 2G Ant3 3 - - - - 5G Ant1 1 - - - 4.22 4.47 4.36 5.32 5G Ant2 2 - - - 5G Ant3 3 - - - 5G Ant4 4 - - - DG [1SS] (dBi) 4.98 3.84 3.1 5.59 6.52 5.51 5.95 Note1: The EUT equips seven antennas. Note2: The above brand name, model name and type information were declared by manufacturer. For 2.4GHz function: For IEEE 802.11b/g/n/VHT/ax mode (3TX/3RX): Port 1~3 can be used as transmitting/receiving antenna. Port 1~3 could transmit/receive simultaneously. For 5GHz function: For IEEE 802.11a/n/ac/ax mode (4TX/4RX): Port 1~4 can b…

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RADIO TEST REPORT Report No. : FR252023AA TEL : 886-3-656-9065 Page Number : 2 of 31 FAX : 886-3-656-9085 Issued Date : Aug. 05, 2022 Report Template No.: CB-A10_10 Ver1.3 Report Version : 01 Table of Contents History of this test report ................................................................................................................................. 3 Summary of Test Result................................................................................................................................... 4 1 General Description ............................................................................................................................. 5 1.1 Information .............................................................................................................................................. 5 1.2 Testing Location Information ................................................................................................................ 10 1.3 Measurement Uncertainty .................................................................................................................... 10 2 Test Configuration of EUT ................................................................................................................. 11 2.1 Test Channel Mode .............................................................................................................................. 11 2.2 The Worst Case Measurement Configuration ...................................................................................... 12 2.3 EUT Operation during Test .................................................................................................................. 13 2.4 Accessories .......................................................................................................................................... 13 2.5 Support Equipment ............................................................................................................................... 13 2.6 Test Setup Diagram ............................................................................................................................. 14 3 Transmitter Test Result ..................................................................................................................... 17 3.1 AC Power-line Conducted Emissions .................................................................................................. 17 3.2 DTS Bandwidth..................................................................................................................................... 19 3.3 Maximum Conducted Output Power .................................................................................................... 20 3.4 Power Spectral Density ........................................................................................................................ 23 3.5 Emissions in Non-restricted Frequency Bands .................................................................................... 25 3.6 Emissions in Restricted Frequency Bands ........................................................................................... 26 4 Test Equipment and Calibration Data .............................................................................................. 30 Appendix A. Test Results of AC Power-line Conducted Emissions Appendix B. Test Results of DTS Bandwidth Appendix C. Test Results of Maximum Conducted Output Power Appendix D. Test Results of Power Spectral Density Appendix E. Test Results of Emissions in Non-restricted Frequency Bands Appendix F. Test Results of Emissions in Restricted Frequency Bands Appendix G. Test Photos Photographs of EUT v01 RADIO TEST REPORT Report No. : FR252023AA TEL : 886-3-656-9065 Page Number : 3 of 31 FAX : 886-3-656-9085 Issued Date : Aug. 05, 2022 Report Template No.: CB-A10_10 Ver1.3 Report Version : 01 History of this test report Report No. Version Description Issued Date FR252023AA 01 Initial issue of report Aug. 05, 2022 RADIO TEST REPORT Report No. : FR252023AA TEL : 886-3-656-9065 Page Number : 4 of 31 FAX : 886-3-656-9085 Issued Date : Aug. 05, 2022 Report Template No.: CB-A10_10 Ver1.3 Report Version : 01 Summary of Test Result Report Clause Ref Std. Clause Test Items Result (PASS/FAIL) Remark 1.1.2 15.203 Antenna Requirement PA SS - 3.1 15.207 AC Power-line Conducted Emissions PA SS - 3.2 15.247(a) DTS Bandwidth PA SS - 3.3 15.247(b) Maximum Conducted Output Power PA SS - 3.4 15.247(e) Power Spectral Density PA SS - 3.5 15.247(d) Emissions in Non-restricted Frequency Bands PA SS - 3.6 15.247(d) Emissions in Restricted Frequency Bands PA SS - Declaration of Conformity: 1. The test results with all measurement uncertainty excluded are presented in accordance with the regulation limits or requirements declared by manufacturers. It’s means measurement values may risk exceeding the limit of regulation standards, if measurement uncertainty is include in test results. 2. The measurement uncertainty please refer to report ”Measurement Uncertainty”. Comments and Explanations: The declared of product specification for EUT presented in the report are provided by the manufacturer, and the manufacturer takes all the responsibilities for the accuracy of product specification. Reviewed by: Sam Chen Report Producer: Wendy Pan RADIO TEST REPORT Report No. : FR252023AA TEL : 886-3-656-9065 Page Number : 5 of 31 FAX : 886-3-656-9085 Issued Date : Aug. 05, 2022 Report Template No.: CB-A10_10 Ver1.3 Report Version : 01 1 General Description 1.1 Information 1.1.1 RF General Information Frequency Range (MHz) IEEE Std. 802.11 Ch. Frequency (MHz) Channel Number 2400-2483.5 b, g, n (HT20), VHT20, ax (HEW20) 2412-2462 1- 11 [11 ] 2400-2483.5 n (HT40), VHT40, ax (HEW40) 2422-2452 3- 9 [7] Band Mode BWch (MHz) Nant 2.4-2.4835GHz 802.11b 20 3TX 2.4-2.4835GHz 802.11g 20 3TX 2.4-2.4835GHz 802.11n HT20 20 3TX 2.4-2.4835GHz 802.11n HT20-BF 20 3TX 2.4-2.4835GHz VHT20 20 3TX 2.4…

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Report No. : AP252023AA Antenna Composite Gain Test Report Sporton International Inc. Hsinchu Laboratory Page No. : 1 of 14 TEL : 886-3-656-9065 Issued Date : Aug. 05, 2022 FAX : 886-3-656-9085 Report Version : 01 Report Template No.: CB-H1_3 Ver1.0 Antenna Composite Gain Test Report Equipment AX5700 WiFi6 Gigabit Ethernet Gateway Brand Name ZYXEL, Google Fiber Model Name EX3510-B1, C3510XZ, GRAX110Z Applicant Zyxel Communications Corporation No.2 Industry East RD. IX, Hsinchu Science Park, Hsinchu 30075, Taiwan Manufacturer Zyxel Communications Corporation No.2 Industry East RD. IX, Hsinchu Science Park, Hsinchu 30075, Taiwan Sample Received May 23, 2022 Start Test Date May 30, 2022 Final Test Date May 30, 2022 Report No. : AP252023AA Antenna Composite Gain Test Report Sporton International Inc. Hsinchu Laboratory Page No. : 2 of 14 TEL : 886-3-656-9065 Issued Date : Aug. 05, 2022 FAX : 886-3-656-9085 Report Version : 01 Report Template No.: CB-H1_3 Ver1.0 Table of Contents History of this test report ................................................................................................................................. 3 1. Operation Mode and Antenna Information ........................................................................................ 4 2. Test Frequency ..................................................................................................................................... 5 3. Testing Location ................................................................................................................................... 5 4. Test Facility and Configuration ........................................................................................................... 6 5. Reference Calibration .......................................................................................................................... 7 6. Test Method .......................................................................................................................................... 8 7. Measured Values and Calculation of Maximum Gain Positions ...................................................... 9 8. Summary of Test Result .................................................................................................................... 11 9. Test Setup ........................................................................................................................................... 12 10. Test Equipment and Calibration Data .............................................................................................. 13 11. Test Results ........................................................................................................................................ 14 Report No. : AP252023AA Antenna Composite Gain Test Report Sporton International Inc. Hsinchu Laboratory Page No. : 3 of 14 TEL : 886-3-656-9065 Issued Date : Aug. 05, 2022 FAX : 886-3-656-9085 Report Version : 01 Report Template No.: CB-H1_3 Ver1.0 History of this test report Report No. Version Description Issued Date AP252023AA 01 Initial issue of report Aug. 05, 2022 Report No. : AP252023AA Antenna Composite Gain Test Report Sporton International Inc. Hsinchu Laboratory Page No. : 4 of 14 TEL : 886-3-656-9065 Issued Date : Aug. 05, 2022 FAX : 886-3-656-9085 Report Version : 01 Report Template No.: CB-H1_3 Ver1.0 1. Operation Mode and Antenna Information Ant. No. (Define by manufacturer) Antenna Position RF Port Brand Name Model Name Ant. Type Connector Modes of Operation 2.4G-Ant.0 2G Ant1 1 W HAYU 65-034-000142B PCB none (like solder) 2.4GHz 2.4G-Ant.1 2G Ant2 2 W HAYU 65-034-000192B PCB none (like solder) 2.4GHz 2.4G-Ant.2 2G Ant3 3 W HAYU 65-034-000141B PCB none (like solder) 2.4GHz 5G-Ant.0 5G Ant1 1 W HAYU 65-034-000147B PCB I-PEX 5GHz UNII 1~3 5G-Ant.1 5G Ant2 2 W HAYU 65-034-000195B PCB I-PEX 5GHz UNII 1~3 5G-Ant.2 5G Ant3 3 W HAYU 65-034-000194B PCB I-PEX 5GHz UNII 1~3 5G-Ant.3 5G Ant4 4 W HAYU 65-034-000193B PCB I-PEX 5GHz UNII 1~3 Note: 2.4GHz (3TX/3RX) 2G Ant1~3 can be used as transmitting/receiving antenna. 2G Ant1~3 could transmit/receive simultaneously. 5GHz Operation Mode (4TX/4RX) 5G Ant1~4 can be used as transmitting/receiving antenna. 5G Ant1~4 could transmit/receive simultaneously. Report No. : AP252023AA Antenna Composite Gain Test Report Sporton International Inc. Hsinchu Laboratory Page No. : 5 of 14 TEL : 886-3-656-9065 Issued Date : Aug. 05, 2022 FAX : 886-3-656-9085 Report Version : 01 Report Template No.: CB-H1_3 Ver1.0 1.1.1 Table for Multiple Listing The brand/model names in the following table are all refer to the identical product. Brand Name Model Name Description ZYXEL EX3510-B1, C3510XZ All the models are identical, the difference model for difference brand served as marketing strategy. Google Fiber GRAX110Z Note 1: From the above models, model: EX3510-B1 was selected as representative model for the test and its data was recorded in this report. Note 2: The above information was declared by manufacturer. 2. Test Frequency The listed frequency of each bands are selected to represent each frequency bands Band [MHz] Test Frequency [MHz] 2400-2483.5 2400 2450 2483.5 5150-5250 5200 5250-5350 5300 5470-5725 5600 5725-5850 5785 3. Testing Location Testing Location HWA YA ADD : No.13-1 & 14-1, Ln. 19, Wen 33rd St., Guishan Dist., Taoyuan City 333, Taiwan R.O.C. Test Condition Test Site No. Test Engineer Test Environment (°C / %) Test Date Radiated 05CH03-HY Rex Liao 21-22 / 50-55 May 30, 2022 Note: Testing Site Information Brand Name: TDK Dimension: 11m*6m*6m Characteristic: Fully Anechoic Chamber Report No. : AP252023AA Antenna Composite Gain Test Report Sporton International Inc. Hsinchu Laboratory Page No. : 6 of 14 TEL : 886-3-656-9065 Issued Date : Aug. 05, 2022 FAX : 886-3-656-9085 Report Version : 01 Report Template No.: CB-H1_3 Ver1.0 4. Test Facility and Configuration Test configuration: Reference to CITA OTA distributed-axes system configuration.…

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Radiated Composite Gain Data of 5GHz U-NII 1 ~ U-NII 3 Appendix B Sporton International Inc. Hsinchu Laboratory Page No. : 1 of 9 Report No. : AP252023AA - Freq(Hz) 5.2G 5.3G 5.6G 5.785G Ant. 1 Max Gain (dBi) 2.22 3.42 2.47 2.73 Ant. 2 Max Gain (dBi) 4.22 4.47 4.36 5.32 Ant. 3 Max Gain (dBi) 3.92 4.11 3.74 3.49 Ant. 4 Max Gain (dBi) 3.19 3.6 2.62 3.62 Ant. 1 Polarization/Θ(°)/Φ(°) Theta/80/60 Theta/130/250 Theta/90/100 Theta/100/90 Ant. 2 Polarization/Θ(°)/Φ(°) Phi/130/290 Phi/140/260 Phi/140/260 Phi/140/260 Ant. 3 Polarization/Θ(°)/Φ(°) Theta/110/250 Theta/110/250 Theta/130/250 Theta/130/250 Ant. 4 Polarization/Θ(°)/Φ(°) Theta/130/80 Theta/110/60 Theta/70/280 Theta/120/80 Max Gain (dBi) 4.22 4.47 4.36 5.32 DG [1SS] (dBi) 5.59 6.52 5.51 5.95 DG [2SS] (dBi) 4.22 4.47 4.36 5.32 DG [4SS] (dBi) 4.22 4.47 4.36 5.32 Radiated Composite Gain Data of 5GHz U-NII 1 ~ U-NII 3 Appendix B Sporton International Inc. Hsinchu Laboratory Page No. : 2 of 9 Report No. : AP252023AA DG 1SS Result Freq(Hz) 5.2G/Pol. Phi/- -/- -/- -/- -/- -/- -/- -/- -/- -/- -/- -/- -/- -/- -/- -/- -/- DG(dBi) Φ(0°)/Φ(10°) Φ(20°)/Φ(30°) Φ(40°)/Φ(50°) Φ(60°)/Φ(70°) Φ(80°)/Φ(90°) Φ(100°)/Φ(110°) Φ(120°)/Φ(130°) Φ(140°)/Φ(150°) Φ(160°)/Φ(170°) Φ(180°)/Φ(190°) Φ(200°)/Φ(210°) Φ(220°)/Φ(230°) Φ(240°)/Φ(250°) Φ(260°)/Φ(270°) Φ(280°)/Φ(290°) Φ(300°)/Φ(310°) Φ(320°)/Φ(330°) Φ(340°)/Φ(350°) Θ(0°) -6.88/-6.17 -5.71/-6.1 -6.44/-5.96 -4.97/-4.53 -4.04/-3.49 -2.85/-2.56 -2.4/-2.75 -3.45/-3.65 -4.49/-6.68 -9.06/-9.35 -8.35/-7.49 -6.8/-6.29 -5.31/-4.5 -3.94/-3.42 -3.4/-3.05 -2.86/-2.8 -3.16/-3.96 -6.41/-7.48 Θ(10°) -7.85/-7.64 -6.53/-5.49 -4.92/-5.04 -…

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