2ABLK-GS2029EGigaSpire

Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: November 14, 2024 Ref: Attestation Statements Part 2.911(d)(7) Filing Grantee Code: 2ABLK FRN: 0023213176 Calix Inc. (“the applicant”) certifies that, as of the date of the filing of the application, we designate ourselves as the U.S. agent for service of process. The applicant as required by section 2.911(d)(7), will also serve as the agent for service of process for the above referenced FCC Grantee Code. The service of process includes, but is not limited to, delivery of any correspondence, notices, orders, decisions, and requirements of administrative, legal, or judicial process related to Commission proceedings. The applicant acknowledges that they will maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. The applicant further acknowledges their responsibility to inform the FCC whenever the following agent information changes. Designated U.S. Agent Information: FRN: 0023213176 Company Name: Calix Inc. Address: 1035 N. McDowell Blvd. Petaluma, CA94954 U.S.A. Contact Person: Harish Bhakta, Manager Compliance Engineering Tel.: 707-332-7467 Email: [email protected] Sincerely, Applicant Calix Inc. Harish Bhakta, Manager Compliance Engineering Signature:

Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: November 14, 2024 FCC ID: 2ABLK-GS2029E RE: Attestation Statements Part 2.911(d)(5)(i) Filing Calix Inc. (“the applicant”) 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. Calix Inc. (“the applicant”) 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). RE: Attestation Statements Part 2.911(d)(5)(ii) Filing Calix Inc. (“the applicant”) 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, Applicant : Calix Inc. Address : 1035 N. McDowell Blvd. Petaluma, CA94954 U.S.A. Signature : _________________________________ Name and Job Title. : Harish Bhakta, Manager Compliance Engineering E-mail : [email protected] Tel. : 707-332-7467

Confidentiality Request Letter Date: November 14, 2024 Federal Communications Commission Authorization and Evaluation Division Subject: Request for confidentiality FCC ID: 2ABLK-GS2029E To whom it may concern: Short-term Confidentiality pursuant to Public Notice DA 04-1705, and in order to comply with the marketing regulations in 47 C.F.R. §2.803 and the importation rules in 47 C.F.R. §2.1204 while ensuring that business-sensitive information remains confidential until the actual marketing of newly authorized devices, we are request the Commission grant temporary confidential treatment and not release the following attachments for routine public disclosure until 180 days after the grant date. 1. Internal Photographs 2. External Photographs 3. User’s manual 4. Test Set up photos Permanent Confidentiality Pursuant to the provisions of Sections 0.457 and 0.459 of Commission’s rules (47CFR§§0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure indefinitely. 1. Block Diagram 2. Schematics 3. Operational Description / Software Security For U-NII Devices It is our understanding that test measurement reports and correspondence during the certification review process cannot be granted confidential treatment, and such information will be available for public review once the grant of equipment authorization is issued. Sincerely, Applicant : Calix Inc. Address : 1035 N. McDowell Blvd. Petaluma, CA94954 U.S.A. Signature : _________________________________ Name and Job Title. : Harish Bhakta, Manager Compliance Engineering E-mail : [email protected] Tel. : 707-332-7467

Letter of Authorization Date: November 14, 2024 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Rd Columbia MD 21046-1609 Subject: Product Certification Representative Authorization Letter FCC ID: 2ABLK-GS2029E Product Name: GigaSpire To whom it may concern: We the undersigned, hereby authorize following person to act as our agent in the preparation of an application for equipment authorization to the FCC Rules and Regulations. Sporton International Inc. Address : No.52, Huaya 1st Rd., Guishan Dist., Taoyuan City 333, Taiwan (R.O.C.) Name : Leo Huang Job Title : VP e-mail : [email protected] 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 1988, 21 U.S.C. § 862. This appointment also includes the authority to complete FCC Form 731 on our behalf and sign the application as an authorized agent. Applicant : Calix Inc. Address : 1035 N. McDowell Blvd. Petaluma, CA94954 U.S.A. Signature : _________________________________ Name and Job Title. : Harish Bhakta, Manager Compliance Engineering E-mail : [email protected] Tel. : 707-332-7467

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Radio Exposure Evaluation Report Report No. : FA491301 TEL : 886-3-327-3456 Page Number : 1 of 13 FAX : 886-3-327-0973 Issued Date : Nov. 21, 2024 Report Template No.: HE1-A1 Ver5.0 Report Version : 02 FCC ID: 2ABLK-GS2029E Radio Exposure Evaluation Report FCC ID : 2ABLK-GS2029E Equipment : GigaSpire Brand Name : Calix Model Name : u4.2 GS2029E Applicant : Calix Inc. 1035 N. McDowell Blvd. Petaluma, CA94954 U.S.A. Manufacturer : Calix Inc. 1035 N. McDowell Blvd. Petaluma, CA94954 U.S.A. Standard : 47 CFR FCC Part 2 Subpart J, section 2.1091 The product was received on Sep. 30, 2024, and testing was started from Oct. 23, 2024 and completed on Oct. 24, 2024. We, SPORTON INTERNATIONAL INC. Hsinhua Laboratory, would like to declare that the tested sample has been evaluated in accordance with the procedures given in 47 CFR FCC Part 2 Subpart J, section 2.1091 and shown 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. Hsinhua Laboratory, the test report shall not be reproduced except in full. ___________________________________________ Approved by: Jackson Tsai __________________________________________ SDoC by: XXXXX SPORTON INTERNATIONAL INC. Hsinhua Laboratory No.52, Huaya 1st Rd., Guishan Dist., Taoyuan City 333411, Taiwan (R.O.C.) Radio Exposure Evaluation Report Report No. : FA491301 TEL : 886-3-327-3456 Page Number : 2 of 13 FAX : 886-3-327-0973 Issued Date : Nov. 21, 2024 Report Template No.: HE1-A1 Ver5.0 Report Version : 02 FCC ID: 2ABLK-GS2029E Table of Contents HISTORY OF THIS TEST REPORT .................................................................................................................. 3 SUMMARY OF TEST RESULT ......................................................................................................................... 4 1 GENERAL DESCRIPTION .................................................................................................................... 5 1.1 Information .............................................................................................................................................. 5 1.2 Applicable Standards ............................................................................................................................. 7 1.3 Testing Location ..................................................................................................................................... 7 2 MAXIMUM PERMISSIBLE EXPOSURE ............................................................................................... 8 2.1 Limit of Maximum Permissible Exposure ............................................................................................... 8 2.2 RF Exposure Exempt Measurement ...................................................................................................... 9 2.3 Multiple RF Sources Exposure ............................................................................................................. 10 2.4 MPE Calculation Method ...................................................................................................................... 11 2.5 Calculated Result and Limit .................................................................................................................. 12 Photographs of EUT V01 Radio Exposure Evaluation Report Report No. : FA491301 TEL : 886-3-327-3456 Page Number : 3 of 13 FAX : 886-3-327-0973 Issued Date : Nov. 21, 2024 Report Template No.: HE1-A1 Ver5.0 Report Version : 02 FCC ID: 2ABLK-GS2029E History of this test report Report No. Version Description Issued Date FA491301 01 Initial issue of report Nov. 19, 2024 FA491301 02 Model Name Revised (This report is the latest version replacing for the report issued on Nov. 19, 2024) Nov. 21, 2024 Radio Exposure Evaluation Report Report No. : FA491301 TEL : 886-3-327-3456 Page Number : 4 of 13 FAX : 886-3-327-0973 Issued Date : Nov. 21, 2024 Report Template No.: HE1-A1 Ver5.0 Report Version : 02 FCC ID: 2ABLK-GS2029E Summary of Test Result Report Clause Ref Std. Clause Test Items Result (PASS/FAIL) Remark 2 - Exposure evaluation PASS - Declaration of Conformity: The test results with all measurement uncertainty excluded are presented in accordance with the regulation limits or requirements declared by manufacturers. Comments and Explanations: None Reviewed by: Ben Tseng Report Producer: Amber Chiu Radio Exposure Evaluation Report Report No. : FA491301 TEL : 886-3-327-3456 Page Number : 5 of 13 FAX : 886-3-327-0973 Issued Date : Nov. 21, 2024 Report Template No.: HE1-A1 Ver5.0 Report Version : 02 FCC ID: 2ABLK-GS2029E 1 General Description 1.1 Information 1.1.1 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 5725-5850 5180-5240 5745-5825 802.11a/n: OFDM (BPSK, QPSK, 16QAM, 64QAM) 802.11ac: OFDM (BPSK, QPSK, 16QAM, 64QAM, 256QAM, 1024QAM) 802.11ax: OFDMA (BPSK, QPSK, 16QAM, 64QAM, 256QAM, 1024QAM) 1.1.2 Antenna Information Ant. Brand Model Name Antenna Type Connector Support 1 Pegatron 1415-0AVK000 dipole I-PEX 2.4G 2 Pegatron 1415-0AVJ000 dipole I-PEX 2.4G 3 Pegatron 1415-0AVH000 dipole I-PEX 5G 4 Pegatron 1415-0AVG000 dipole I-PEX 5G Ant. Port Gain (dBi) 2.4G 5G UNII-1 UNII-2A UNII-2C UNII-3 1 1 3.26 - - - - 2 2 2.75 - - - - 3 1 - 3.43 3.51 3.58 3.91 4 2 - 3.08 3.51 3.36 3.39 Radio Exposure Evaluation Report Report No. : FA491301 TEL : 886-3-327-3456 Page Number : 6 of 13 FAX : 886-3-327-0973 Issued Date : Nov. 21, 2024 Report Template No.: HE1-A1 Ver5.0 Report Version : 02 FCC ID: 2ABLK-GS2029E Composite Gain (dBi) 2.4G 5G UNII-1 UNII-2A UNII-2C UNII-3 DG [1SS]…

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FCC Radio Test Report Report No. : FR491301AC TEL : 886-3-3273456 Page Number : 1 of 27 FAX : 886-3-3270973 Issued Date : Nov. 21, 2024 Report Template No.: HE1-C8 Ver4.4 Report Version : 02 FCC ID: 2ABLK-GS2029E FCC Radio Test Report FCC ID : 2ABLK-GS2029E Equipment : GigaSpire Brand Name : Calix Model Name : u4.2 GS2029E Applicant : Calix Inc. 1035 N. McDowell Blvd. Petaluma, CA94954 U.S.A. Manufacturer : Calix Inc. 1035 N. McDowell Blvd. Petaluma, CA94954 U.S.A. Standard : 47 CFR FCC Part 15.247 The product was received on Sep. 30, 2024, and testing was started from Oct. 21, 2024 and completed on Nov. 12, 2024. We, SPORTON INTERNATIONAL INC. Hsinhua Laboratory, would like to declare that the tested sample has been evaluated in accordance with the procedures given in ANSI C63.10-2013 and shown 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. Hsinhua Laboratory, the test report shall not be reproduced except in full. ___________________________________________ Approved by: Jackson Tsai SPORTON INTERNATIONAL INC. Hsinhua Laboratory No.52, Huaya 1st Rd., Guishan Dist., Taoyuan City 333411, Taiwan (R.O.C.) FCC Radio Test Report Report No. : FR491301AC TEL : 886-3-3273456 Page Number : 2 of 27 FAX : 886-3-3270973 Issued Date : Nov. 21, 2024 Report Template No.: HE1-C8 Ver4.4 Report Version : 02 FCC ID: 2ABLK-GS2029E 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 Applied Standards ..................................................................................................................... 8 1.3 Testing Location Information .................................................................................................................. 8 1.4 Measurement Uncertainty ...................................................................................................................... 8 2 TEST CONFIGURATION OF EUT......................................................................................................... 9 2.1 Test Channel Mode ................................................................................................................................ 9 2.2 The Worst Case Measurement Configuration ...................................................................................... 11 2.3 Accessories .......................................................................................................................................... 12 2.4 Support Equipment ............................................................................................................................... 12 2.5 Test Setup Diagram ............................................................................................................................. 13 3 TRANSMITTER TEST RESULT .......................................................................................................... 15 3.1 AC Power-line Conducted Emissions .................................................................................................. 15 3.2 DTS Bandwidth..................................................................................................................................... 17 3.3 Maximum Conducted Output Power .................................................................................................... 18 3.4 Power Spectral Density ........................................................................................................................ 20 3.5 Emissions in Non-restricted Frequency Bands .................................................................................... 21 3.6 Emissions in Restricted Frequency Bands ........................................................................................... 22 4 TEST EQUIPMENT AND CALIBRATION DATA ................................................................................ 26 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 RESULTS OF RADIATED EMISSION CO-LOCATION APPENDIX H. TEST PHOTOS PHOTOGRAPHS OF EUT V01 FCC Radio Test Report Report No. : FR491301AC TEL : 886-3-3273456 Page Number : 3 of 27 FAX : 886-3-3270973 Issued Date : Nov. 21, 2024 Report Template No.: HE1-C8 Ver4.4 Report Version : 02 FCC ID: 2ABLK-GS2029E History of this test report Report No. Version Description Issued Date FR491301AC 01 Initial issue of report Nov. 19, 2024 FR491301AC 02 Model Name Revised (This report is the latest version replacing for the report issued on Nov. 19, 2024) Nov. 21, 2024 FCC Radio Test Report Report No. : FR491301AC TEL : 886-3-3273456 Page Number : 4 of 27 FAX : 886-3-3270973 Issued Date : Nov. 21, 2024 Report Template No.: HE1-C8 Ver4.4 Report Version : 02 FCC ID: 2ABLK-GS2029E Summary of Test Result Report Clause Ref. Std. Clause Test Items Result (PASS/FAIL) Remark 1.1.2 15.203 Antenna Requirement PASS - 3.1 15.207 AC Power-line Conducted Emissions PASS - 3.2 15.247(a) DTS Bandwidth PASS - 3.3 15.247(b) Maximum Conducted Output Power PASS - 3.4 15.247(e) Power Spectral Density PASS - 3.5 15.24…

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Antenna Measurement Data Introduction This report provides Wi-Fi antenna passive measurement results which include: •General Information •Antenna Measurement System Information •Test Procedure •DUT Information •Test Result (Antenna Peak Gain) •Test Result 2D Radiation Pattern and 3DRaw Data •Directional Gain Result •Set-up Photo General Information •Antenna Vendor : Pegatron •Test Date: 20240820 •Test Engineer: Darren Huang •Measurement System: SATIMO SG24 Chamber •Software Name: WaveStudio •Software Version: 22.5.5 Pegatron's SATIMO SG24 chamber Z x y x y Z DUT Antenna Measurement System Information •Measurement System: SATIMO SG24 Chamber •Calibration Information DescriptionModel No.Serial No.CalibratedDate Calibrated Until ChamberSatimoSG24MVG/HKG0147S 2023/09/152024/09/16 NetworkAnalyzerE5071CMY46212481 2023/05/152024/05/16 Test Procedure DUT Information •DUT Operation Mode SupportBandTX/RXOperation Mode 2.4G2TX/2RX11b/11g/11n/11ac/11ax 5GUNII-12TX/2RX11a/11n/11ac/11ax 5GUNII-2a2TX/2RX11a/11n/11ac/11ax 5G UNII-2c2TX/2RX11a/11n/11ac/11ax 5G UNII-32TX/2RX11a/11n/11ac/11ax DUT Information •Antenna System information Antenna NO. RF Chain NO.Support FunctionAntenna Type Connector Type Ant102.4GDipoleI-PEX Ant212.4GDipoleI-PEX Ant305GDipoleI-PEX Ant415GDipoleI-PEX DUT Information •Antenna Placement PCBA Z x y IO IO Test Result (Antenna Peak Gain) Antenna NO. ModelTest Frequency(MHz)Peak Gain (dBi) Ant1U4.224503.26 Ant2U4.224502.75 Ant3U4.258003.91 Ant4U4.253003.51 Band 2.4G (2.4G~2.4835GHz) UNII-1 (5.15G~5.25GHz) UNII-2a (5.25G~5.35GHz) UNII-2c (5.47G~5.725GHz) UNII-3 (5.725G~5.85GHz) Frequency (GHz) 2.45GHz5.18GHz5.3GHz5.5GHz5.8GHz X-Z planeY-Z planeX-Y plane 0 ̊ 0 ̊ 0 ̊ 90 ̊ 90 ̊ 90 ̊ 180 ̊ 180 ̊ 180 ̊ 270 ̊ 270 ̊ 270 ̊ Test Result 2D Radiation Pattern and 3DRaw Data 2400MHz 2450MHz 2500MHz •Ant No.: Ant1 •Model No.: 1415-0AVK000 IO IO IO Test Result 2D Radiation Pattern and 3DRaw Data •Ant No.: Ant2 •Model No.: 1415-0AVJ000 X-Z planeY-Z planeX-Y plane 2400MHz 2450MHz 2500MHz 0 ̊ 0 ̊ 0 ̊ 90 ̊ 90 ̊ 90 ̊ 180 ̊ 180 ̊ 180 ̊ 270 ̊ 270 ̊ 270 ̊ IO IO IO Test Result 2D Radiation Pattern and 3DRaw Data •Ant No.: Ant3 •Model No.: 1415-0AVH000 X-Z planeY-Z planeX-Y plane 5180MHz 5300MHz 5500MHz 5800MHz 0 ̊ 0 ̊ 0 ̊ 90 ̊ 90 ̊ 90 ̊ 180 ̊ 180 ̊ 180 ̊ 270 ̊ 270 ̊ 270 ̊ IO IO IO Test Result 2D Radiation Pattern and 3DRaw Data •Ant No.: Ant4 •Model No.: 1415-0AVG000 X-Z planeY-Z planeX-Y plane 5180MHz 5300MHz 5500MHz 5800MHz 0 ̊ 0 ̊ 0 ̊ 90 ̊ 90 ̊ 90 ̊ 180 ̊ 180 ̊ 180 ̊ 270 ̊ 270 ̊ 270 ̊ IO IO IO Measurement Setup •Procedure Directional Gain Result •Summary Result Directional Gain _ Maximum Gain Value and Positions Frequency Bands (MHz)2400-2483.55150-52505250-53505470-57255725-5850 Frequency (MHz) 24505180530055005800 Ant 1 (dBi) 3.26XXXX Ant 2 (dBi) 2.75XXXX Ant 3 (dBi) X3.433.513.583.91 Ant 4 (dBi) X3.083.513.363.39 Directional Gain _ 1SS 4.14.64.54.85.1 Polarization / θ/ Φ theta (92,84) theta (88,74) theta (86,146) theta (88,158) theta (94,154) Calculated Directional Gain: theta(V) Set-up Photo Z x y DUT