2ABLK-GPR2037EGigaPro

Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Rd Columbia MD 21046-1609 Date: April 22, 2026 Subject: Letter of Declaration on Wi-Fi 6 GHz band Operation To whom it may concern: We, Calix Inc., attest that this device under FCC ID 2ABLK-GPR2037E complies with device protocol requirements and operational restrictions: for For Low-power indoor access points (6ID) 1. Device Protocol Attestation Statement: a. An Access Point’s Transmit Power Envelope element has information fields for power limits for connecting client/subordinate devices. The TPE information is contained in this device signals and used by connecting client/subordinate to ensure that it knows the regulatory TX powers it is allowed to transmit at. There is a regulatory info field in this device beacon and probe response frames which details this device type when the client/subordinate associates to this device. 2. The statement acknowledging device restrictions: a. This AP is power from a wired connection, has an integrated antenna, is not battery powered, and does not have a weatherized enclosure. b. This device's operation will not be allowed on oil platforms, cars, trains, boats, and aircraft, except that operation of this device is permitted in large aircraft while flying above 10,000 feet only in the 5.925-6.425 GHz band. c. This device is prohibited for control of or communications with unmanned aircraft systems, including drones. For Indoor Subordinate (6PP) 1. Device Protocol Attestation Statement: a. this device will always be under the control of a low-power indoor AP and will only initiate brief messages to be under the control of an indoor low-power AP. These brief messages will only occur if the subordinate has detected a low-power indoor AP operating on a channel. These brief messages will have a time-out mechanism such that if it does not receive a response from an AP it will not continually repeat the request. b. once under control of an indoor access point, a subordinate will initiate connections with clients, other access points, or other subordinate devices at a lower power or equal to the power advertised by the access point controlling the subordinate and never above the maximum output power allowed by the FCC grant for equipment class 6PP. c. An Access Point’s Transmit Power Envelope element has information fields for power limits for connecting client/subordinate devices. The TPE information is contained in this device signals and used by connecting client/subordinate to ensure that it knows the regulatory TX powers it is allowed to transmit at. There is a regulatory info field in this device beacon and probe response frames which details this device type when the client/subordinate associates to this device. 2. The statement acknowledging device restrictions: a. This device operates in the 5.925-7.125 GHz band. It is supplied power from a wired connection, has an integrated antenna, is not battery-powered, and does not have a weatherized enclosure. b. The installation guide will include the operation of this device will not be allowed on oil platforms, cars, trains, boats, and aircraft, except that this device's operation is permitted in large aircraft while flying above 10,000 feet. c. This device will not be used for control of or communications with unmanned aircraft systems, including drones. d. This device has no direct connection to the internet. When configured for subordinate mode, this device has no direct connection to the internet. WAN port function is disabled and automatically software configured to operate as a LAN port only. his process does not require user intervention nor user configurable. Sincerely, Applicant : Calix Inc. Address : 1 Santana West, 3155 Olsen Drive, Suite 450, San Jose, California 95117, United States Signature : _________________________________ Name and Job Title : Harish Bhakta, Compliance Manager E-mail : [email protected] Tel. : 707-332-7467

Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: April 22, 2026 Ref: Covered listed Attestation Part 2.911(d)(7) Filing Grantee Code: 2ABLK FRN: 0023213168 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: 0023213168 Company Name: Calix Inc. Address: 1 Santana West, 3155 Olsen Drive, Suite 450, San Jose, California 95117, United States Contact Person: Harish Bhakta Tel.: 707-332-7467 Email: [email protected] Sincerely, Applicant Calix Inc. Harish Bhakta, Compliance Manager Signature:

Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: April 22, 2026 FCC ID: 2ABLK-GPR2037E RE: Covered listed Attestation 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). 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. 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 : 1 Santana West, 3155 Olsen Drive, Suite 450, San Jose, California 95117, United States Signature : _________________________________ Name and Job Title : Harish Bhakta, Compliance Manager E-mail : [email protected] Tel. : 707-332-7467

Agent Authorization Letter Date: April 22, 2026 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Rd Columbia MD 21046-1609 Subject: Product Certification Representative Authorization Letter FCC ID: 2ABLK-GPR2037E Product Name: GigaPro To whom it may concern: We, the undersigned, hereby authorize the following person to act as our agent in the preparation and submission of an application for equipment authorization in accordance with 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 § 1.2002(b), is subject to a denial of Federal benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. § 862. This authorization also includes the authority to complete FCC Form 731 on our behalf and to sign the application as an authorized agent. Applicant : Calix Inc. Address : 1 Santana West, 3155 Olsen Drive, Suite 450, San Jose, California 95117, United States Signature : _________________________________ Name and Job Title : Harish Bhakta, Compliance Manager E-mail : [email protected] Tel. : 707-332-7467

Request for Confidentiality Date: April 22, 2026 Federal Communications Commission Authorization and Evaluation Division Subject: Request for confidentiality FCC ID: 2ABLK-GPR2037E 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 diagram 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 : 1 Santana West, 3155 Olsen Drive, Suite 450, San Jose, California 95117, United States Signature : _________________________________ Name and Job Title : Harish Bhakta, Compliance Manager E-mail : [email protected] Tel. : 707-332-7467

Date: April 22, 2026 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Rd Columbia MD 21046-1609 Subject: Attestation for Radiated Measurement Antenna FCC ID: 2ABLK-GPR2037E Product Name: GigaPro To whom it may concern: We, the undersigned, hereby declare that all measurements were performed without counting antenna gain and that therefore additional antenna gain information is not required for the following mode: Mode Radiated measurement WiFi 5 GHz (NII) - WiFi 6 GHz V DFS - Sincerely, Applicant : Calix Inc. Address : 1 Santana West, 3155 Olsen Drive, Suite 450, San Jose, California 95117, United States Signature : _________________________________ Name and Job Title : Harish Bhakta, Compliance Manager E-mail : [email protected] Tel. : 707-332-7467

104 mm 39 mm R20 R5 CLEI NO, 20 x 9.8 mm QR code, 12 x 12 mm 128 Mode B, H= 3 mm Print Font: “Consolas regular”, 5.5 pt Print Font: “Consolas regular”, 5 pt 104 mm 39 mm R20 R5 Model No.: 100-06044 XX Serial No.: SSYYMMXXXXXX MAC:XXXXXXXXXXXX WPA Key: XXXXXXXXXXXXXXXX IP Address: 192.168.1.1 User: admin Password: XXXXXXXX SSID:CXNKXXXXXXXX Made in Indonesia Indoor use only IC: 4009A- GPR2037E FCC ID: 2ABLK- GPR2037E 3155 Olsen Drive, Suite 450, San Jose, CA 95117, USA Made in Indonesia Indoor use only IC: 4009A- GPR2037E FCC ID: 2ABLK- GPR2037E 3155 Olsen Drive, Suite 450, San Jose, CA 95117, USA

Radio Exposure Evaluation Report Report No. : FA590224 TEL : 886-3-327-3456 Page Number : 1 of 14 FAX : 886-3-327-0973 Issued Date : Apr. 28, 2026 Report Template No.: HE1-A1 Ver5.0 Report Version : 01 FCC ID: 2ABLK-GPR2037E Radio Exposure Evaluation Report FCC ID : 2ABLK-GPR2037E Equipment : GigaPro Brand Name : Calix Model Name : 7p6 GPR2037E Applicant : Calix Inc. 1 Santana West 3155 Olsen Drive, Suite 450, San Jose California United States 95117 Manufacturer : Calix Inc. 1 Santana West 3155 Olsen Drive, Suite 450, San Jose California United States 95117 Standard : 47 CFR FCC Part 2 Subpart J, section 2.1091 The product was received on Aug. 22, 2025, and testing was started from Spe. 08, 2025 and completed on Jan. 20, 2026. 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. : FA590224 TEL : 886-3-327-3456 Page Number : 2 of 14 FAX : 886-3-327-0973 Issued Date : Apr. 28, 2026 Report Template No.: HE1-A1 Ver5.0 Report Version : 01 FCC ID: 2ABLK-GPR2037E 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. : FA590224 TEL : 886-3-327-3456 Page Number : 3 of 14 FAX : 886-3-327-0973 Issued Date : Apr. 28, 2026 Report Template No.: HE1-A1 Ver5.0 Report Version : 01 FCC ID: 2ABLK-GPR2037E History of this test report Report No. Version Description Issued Date FA590224 01 Initial issue of report Apr. 28, 2026 Radio Exposure Evaluation Report Report No. : FA590224 TEL : 886-3-327-3456 Page Number : 4 of 14 FAX : 886-3-327-0973 Issued Date : Apr. 28, 2026 Report Template No.: HE1-A1 Ver5.0 Report Version : 01 FCC ID: 2ABLK-GPR2037E 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. : FA590224 TEL : 886-3-327-3456 Page Number : 5 of 14 FAX : 886-3-327-0973 Issued Date : Apr. 28, 2026 Report Template No.: HE1-A1 Ver5.0 Report Version : 01 FCC ID: 2ABLK-GPR2037E 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) 802.11be: OFDMA (BPSK, QPSK, 16QAM, 64QAM, 256QAM, 1024QAM, 4096QAM) 5GHz WLAN 5150-5250 5250-5350 5470-5725 5725-5850 5180-5240 5260-5320 5500-5720 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) 802.11be: OFDMA (BPSK, QPSK, 16QAM, 64QAM, 256QAM, 1024QAM, 4096QAM) 6GHz WLAN 5925-7125 5955-7115 802.11ax: OFDMA (BPSK, QPSK, 16QAM, 64QAM, 256QAM, 1024QAM) 802.11be: OFDMA (BPSK, QPSK, 16QAM, 64QAM, 256QAM, 1024QAM, 4096QAM) Radio Exposure Evaluation Report Report No. : FA590224 TEL : 886-3-327-3456 Page Number : 6 of 14 FAX : 886-3-327-0973 Issued Date : Apr. 28, 2026 Report Template No.: HE1-A1 Ver5.0 Report Version : 01 FCC ID: 2ABLK-GPR2037E 1.1.2 Antenna Information Ant. Port Brand Model Name Antenna Type Connector Support Radio 1 1 Pegatron 2G1 PIFA I-Pex 2.4G Radio 1 2 2 Pegatron 2G2 PIFA I-Pex 2.4G Radio 1…

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RSE TX above 1GHz_Non-Beamforming_Full RU Appendix E.5 Sporton International Inc. Page No. : E1 of E41 Summary Mode Result Type Freq Level Limit Margin Dist Condition Azimuth Height (Hz) (dBuV/m) (dBuV/m) (dB) (m) (°) (m) 5.925-6.425GHz - - - - - - - - - - 802.11a_Nss1,(6Mbps)_2TX Pass AV 11.91066G 37.42 54.00 -16.58 3 Horizontal 12 1.50 802.11be EHT20_Nss1,(MCS0)_2TX Pass AV 12.38748G 37.57 54.00 -16.43 3 Horizontal 90 1.96 802.11be EHT40_Nss1,(MCS0)_2TX Pass AV 11.94092G 37.67 54.00 -16.33 3 Horizontal 184 1.91 802.11be EHT80_Nss1,(MCS0)_2TX Pass AV 11.97177G 37.74 54.00 -16.26 3 Vertical 314 1.50 802.11be EHT160_Nss1,(MCS0)_2TX Pass AV 5.9245G 52.89 68.20 -15.31 3 Vertical 13 1.50 802.11be EHT320_Nss1,(MCS0)_2TX Pass AV 5.925G 63.29 68.20 -4.91 3 Vertical 12 1.50 6.425-6.525GHz - - - - - - - - - - 802.11a_Nss1,(6Mbps)_2TX Pass AV 12.93812G 39.13 68.20 -29.07 3 Vertical 137 2.91 802.11be EHT20_Nss1,(MCS0)_2TX Pass AV 12.94745G 38.86 68.20 -29.34 3 Horizontal 334 1.50 802.11be EHT40_Nss1,(MCS0)_2TX Pass AV 12.91244G 38.93 68.20 -29.27 3 Vertical 258 2.89 802.11be EHT80_Nss1,(MCS0)_2TX Pass AV 12.93156G 39.10 68.20 -29.10 3 Vertical 153 1.69 802.11be EHT160_Nss1,(MCS0)_2TX Pass AV 13.00804G 38.74 68.20 -29.46 3 Vertical 313 1.93 802.11be EHT320_Nss1,(MCS0)_2TX Pass AV 13.15556G 39.84 68.20 -28.36 3 Vertical 353 2.49 6.525-6.875GHz - - - - - - - - - - 802.11a_Nss1,(6Mbps)_2TX Pass AV 13.39171G 38.68 54.00 -15.32 3 Horizontal 209 1.82 802.11be EHT20_Nss1,(MCS0)_2TX Pass AV 13.39102G 38.63 54.00 -15.37 3 Vertical 237 1.50 802.11be EHT40_Nss1,(MCS0)_2TX Pass AV 13.3604G 38.97 54.00 -15.03 3 Horizontal 242 2.25 802.11be EHT80_Nss1,(MCS0)_2TX Pass AV 13.56813G 38.95 68.20 -29.25 3 Vertical 29 1.50 802.11be EHT160_Nss1,(MCS0)_2TX Pass AV 13.33111G 39.32 54.00 -14.68 3 Horizontal 360 1.50 802.11be EHT320_Nss1,(MCS0)_2TX Pass AV 7.253G 53.73 54.00 -0.27 3 Vertical 38 1.50 6.875-7.125GHz - - - - - - - - - - 802.11a_Nss1,(6Mbps)_2TX Pass AV 7.125G 68.01 68.20 -0.19 3 Vertical 31 1.26 802.11be EHT20_Nss1,(MCS0)_2TX Pass AV 7.1255G 65.08 68.20 -3.12 3 Horizontal 36 1.50 802.11be EHT40_Nss1,(MCS0)_2TX Pass AV 7.1252G 49.62 68.20 -18.58 3 Vertical 28 1.29 802.11be EHT80_Nss1,(MCS0)_2TX Pass AV 7.1651G 49.52 68.20 -18.68 3 Vertical 27 1.50 802.11be EHT160_Nss1,(MCS0)_2TX Pass AV 7.1255G 49.96 68.20 -18.24 3 Vertical 27 1.50 Report No. : FR590224AE RSE TX above 1GHz_Non-Beamforming_Full RU Appendix E.5 Sporton International Inc. Page No. : E2 of E41 Result Mode Result Type Freq Level Limit Margin Dist Condition Azimuth Height (Hz) (dBuV/m) (dBuV/m) (dB) (m) (°) (m) 802.11a_Nss1,(6Mbps)_2TX - - - - - - - - - - 5955MHz_TX Pass AV 5.9037G 45.37 68.20 -22.83 3 Vertical 10 1.50 5955MHz_TX Pass AV 5.9556G 96.93 Inf -Inf 3 Vertical 10 1.50 5955MHz_TX Pass PK 5.8275G 59.36 88.20 -28.84 3 Vertical 10 1.50 5955MHz_TX Pass PK 5.9559G 106.75 Inf -Inf 3 Vertical 10 1.50 5955MHz_TX Pass AV 5.8056G 45.30 68.20 -22.90 3 Horizontal 325 2.20 5955MHz_TX Pass AV 5.9556G 93.76 Inf -Inf 3 Horizontal 325 2.20 5955MHz_TX Pass PK 5.8998G 59.42 88.20 -28.78 3 Horizontal 325 2.20 5955MHz_TX Pass PK 5.9556G 103.30 Inf -Inf 3 Horizontal 325 2.20 5955MHz_TX Pass AV 11.91093G 37.39 54.00 -16.61 3 Vertical 321 2.95 5955MHz_TX Pass PK 11.90049G 50.67 74.00 -23.33 3 Vertical 321 2.95 5955MHz_TX Pass AV 11.91066G 37.42 54.00 -16.58 3 Horizontal 12 1.50 5955MHz_TX Pass PK 11.9196G 50.71 74.00 -23.29 3 Horizontal 12 1.50 6195MHz_TX Pass AV 12.3927G 37.29 54.00 -16.71 3 Vertical 341 1.50 6195MHz_TX Pass PK 12.40137G 50.87 74.00 -23.13 3 Vertical 341 1.50 6195MHz_TX Pass AV 12.39048G 37.29 54.00 -16.71 3 Horizontal 0 1.50 6195MHz_TX Pass PK 12.38667G 51.24 74.00 -22.76 3 Horizontal 0 1.50 6415MHz_TX Pass AV 12.83261G 38.62 68.20 -29.58 3 Vertical 50 1.50 6415MHz_TX Pass PK 12.83636G 51.19 88.20 -37.01 3 Vertical 50 1.50 6415MHz_TX Pass AV 12.83231G 38.62 68.20 -29.58 3 Horizontal 240 1.50 6415MHz_TX Pass PK 12.8303G 52.10 88.20 -36.10 3 Horizontal 240 1.50 6435MHz_TX Pass AV 12.87153G 38.79 68.20 -29.41 3 Vertical 360 1.92 6435MHz_TX Pass PK 12.86352G 52.12 88.20 -36.08 3 Vertical 360 1.92 6435MHz_TX Pass AV 12.864G 38.78 68.20 -29.42 3 Horizontal 87 2.94 6435MHz_TX Pass PK 12.8598G 52.27 88.20 -35.93 3 Horizontal 87 2.94 6475MHz_TX Pass AV 12.93812G 39.13 68.20 -29.07 3 Vertical 137 2.91 6475MHz_TX Pass PK 12.93947G 52.41 88.20 -35.79 3 Vertical 137 2.91 6475MHz_TX Pass AV 12.95012G 39.12 68.20 -29.08 3 Horizontal 0 1.50 6475MHz_TX Pass PK 12.94388G 52.57 88.20 -35.63 3 Horizontal 0 1.50 6515MHz_TX Pass AV 13.02498G 38.91 68.20 -29.29 3 Vertical 87 2.53 6515MHz_TX Pass PK 13.03334G 52.20 88.20 -36.00 3 Vertical 87 2.53 6515MHz_TX Pass AV 13.02454G 38.92 68.20 -29.28 3 Horizontal 235 2.37 6515MHz_TX Pass PK 13.02402G 53.15 88.20 -35.05 3 Horizontal 235 2.37 6535MHz_TX Pass AV 13.07165G 38.87 68.20 -29.33 3 Vertical 317 1.50 6535MHz_TX Pass PK 13.06352G 52.28 88.20 -35.92 3 Vertical 317 1.50 6535MHz_TX Pass AV 13.07423G 38.82 68.20 -29.38 3 Horizontal 52 1.50 6535MHz_TX Pass PK 13.06652G 51.97 88.20 -36.23 3 Horizontal 52 1.50 6695MHz_TX Pass AV 13.38643G 38.64 54.00 -15.36 3 Vertical 118 1.18 6695MHz_TX Pass PK 13.39492G 52.38 74.00 -21.62 3 Vertical 118 1.18 6695MHz_TX Pass AV 13.39171G 38.68 54.00 -15.32 3 Horizontal 209 1.82 6695MHz_TX Pass PK 13.38946G 52.64 74.00 -21.36 3 Horizontal 209 1.82 6875MHz_TX Pass AV 13.74991G 38.57 68.20 -29.63 3 Vertical 172 1.50 6875MHz_TX Pass PK 13.74547G 52.00 88.20 -36.20 3 Vertical 172 1.50 6875MHz_TX Pass AV 13.74106G 38.53 68.20 -29.67 3 Horizontal 100 1.50 6875MHz_TX Pass PK 13.75777G 52.55 88.20 -35.65 3 Horizontal 100 1.50 6895MHz_TX Pass AV 13.7849G 38.72 68.20 -29.48 3 Vertical 211 2.18 6895MHz_TX Pass PK 13.79006G 52.02 88.20 -36.18 3 Vertical 211 2.18 6895MHz_TX Pass AV 13.78574G 38.69 68.20 -29.51 3 Horizontal 180 1.50 6895MHz_TX Pass PK 13.80032G 52.08 88.20 -36.12 3 Horizontal 180 1.50 6995MHz_TX Pass AV 13.99123G 38.71 68.20 -29.49 3 Vertical 250 1.19 6995MHz_TX Pass PK 14.00128G 51.63 88.2…

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FCC RADIO TEST REPORT Report No. : FR590224AE TEL : 886-3-656-9065 Page Number : 1 of 42 FAX : 886-3-656-9085 Issued Date : Apr. 28, 2026 Report Template No.: HE1-D1-1 Ver2.8 Report Version : 01 FCC ID: 2ABLK-GPR2037E FCC RADIO TEST REPORT FCC ID : 2ABLK-GPR2037E Equipment : GigaPro Brand Name : Calix Model Name : 7p6 GPR2037E Applicant : Calix Inc. 1 Santana West 3155 Olsen Drive, Suite 450, San Jose California United States 95117 Manufacturer : Calix Inc. 1 Santana West 3155 Olsen Drive, Suite 450, San Jose California United States 95117 Standard : 47 CFR FCC Part 15.407 The product was received on Aug. 22, 2025, and testing was started from Sep. 05, 2025 and completed on Mar. 12, 2026. 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 C63.10-2020 + Cor.1-2023 + C63.10a-2024 + Errata to C63.10a-2024 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.) FCC RADIO TEST REPORT Report No. : FR590224AE TEL : 886-3-656-9065 Page Number : 2 of 42 FAX : 886-3-656-9085 Issued Date : Apr. 28, 2026 Report Template No.: HE1-D1-1 Ver2.8 Report Version : 01 FCC ID: 2ABLK-GPR2037E 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 ........................................................................................................................... 13 1.3 Testing Location Information ................................................................................................................ 13 1.4 Measurement Uncertainty .................................................................................................................... 14 2 Test Configuration of EUT ................................................................................................................. 15 2.1 Test Channel Mode .............................................................................................................................. 15 2.2 The Worst Case Measurement Configuration ...................................................................................... 21 2.3 Accessories .......................................................................................................................................... 22 2.4 Support Equipment ............................................................................................................................... 22 2.5 Test Setup Diagram ............................................................................................................................. 23 3 Transmitter Test Result ..................................................................................................................... 25 3.1 AC Power-line Conducted Emissions .................................................................................................. 25 3.2 Emission Bandwidth ............................................................................................................................. 27 3.3 Maximum Equivalent Isotropically Radiated Power (E.I.R.P.) ............................................................. 28 3.4 Peak Power Spectral Density (E.I.R.P.) ............................................................................................... 31 3.5 Unwanted Emissions ............................................................................................................................ 34 3.6 Contention Based Protocol ................................................................................................................... 39 4 Test Equipment and Calibration Data .............................................................................................. 40 Appendix A. Test Results of AC Power-line Conducted Emissions Appendix B. Test Results of Emission Bandwidth Appendix C. Test Results of Maximum Equivalent Isotropically Radiated Power (E.I.R.P.) Appendix D. Test Results of Peak Power Spectral Density (E.I.R.P.) Appendix E. Test Results of Unwanted Emissions Appendix F. Test Results of Contention-Based Protocol Appendix G. Test Results of Radiated Emission Co-location Appendix H. Test Photos Photographs of EUT v01 FCC RADIO TEST REPORT Report No. : FR590224AE TEL : 886-3-656-9065 Page Number : 3 of 42 FAX : 886-3-656-9085 Issued Date : Apr. 28, 2026 Report Template No.: HE1-D1-1 Ver2.8 Report Version : 01 FCC ID: 2ABLK-GPR2037E History of this test report Report No. Version Description Issued Date FR590224AE 01 Initial issue of report Apr. 28, 2026 FCC RADIO TEST REPORT Report No. : FR590224AE TEL : 886-3-656-9065 Page Number : 4 of 42 FAX : 886-3-656-9085 Issued Date : Apr. 28, 2026 Report Template No.: HE1-D1-1 Ver2.8 Report Version : 01 FCC ID: 2ABLK-GPR2037E Summary of Test Result Report Clause Ref Std. Clause Test Items Result (PASS/FAIL) Remark 1.1.4 15.203 Antenna Requirement PASS - 3.1 15.207 AC Power-line Conducted Emission…

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This file may contain confidential and/or privileged information. Any unauthorized copying, disclosure or distribution of thematerial in this file is strictly forbidden. Antenna measurement report for project Expresso2-B Pegatron BU…

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