PD5-AP623E802.11ax enterprise access point

DFS Test Report Report No.: USRC255024004 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 1 of 102 Template : v02.00 DFS Test Report Applicant ： Delta Electronics, Inc. Product Name ： 802.11ax enterprise access point Trade Name ： DELTA Model Number ： AP-623E Applicable Standard ： FCC 47 CFR PART 15 SUBPART E ANSI C63.10:2013 Received Date ： May 05, 2025 Test Period ： May 21, 2025 ~ Jul. 10, 2025 Issued Date ： Aug. 19, 2025 Issued by Eurofins E&E Wireless Taiwan Co., Ltd. No. 140-1, Changan Street, Bade District, Taoyuan City, Taiwan (R.O.C.) Tel：+886-3-2710188 / Fax：+886-3-2710190 Taiwan Accreditation Foundation accreditation number: 1330 Bade test site： Test Firm Registration Number: 226252 Test Firm Designation Number: TW0010 Wugu test site： Test Firm Registration Number: 191812 Test Firm Designation Number: TW0034 Note: 1.The test results are valid only for samples provided by customers and under the test conditions described in this report. 2.This report shall not be reproduced except in full, without the written approval of Eurofins E&E Wireless Taiwan Co., Ltd. 3.The relevant information is provided by customers in this test report. According to the correctness, appropriateness or completeness of the information provided by the customer, if there is any doubt or error in the information which affects the validity of the test results, the laboratory does not take the responsibility. DFS Test Report Report No.: USRC255024004 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 2 of 102 Template : v02.00 Revision History Rev. Issued Date Description Revised By 00 Aug. 19, 2025 Initial Issue Abby Huang DFS Test Report Report No.: USRC255024004 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 3 of 102 Template : v02.00 Verification of Compliance Applicant : Delta Electronics, Inc. Product Name : 802.11ax enterprise access point Trade Name : DELTA Model Number : AP-623E FCC ID : PD5-AP623E Applicable Standard : FCC 47 CFR PART 15 SUBPART E ANSI C63.10:2013 Test Result : Complied Issued By : Eurofins E&E Wireless Taiwan Co., Ltd. No. 140-1, Changan Street, Bade District, Taoyuan City, Taiwan (R.O.C.) Tel：+886-3-2710188 / Fax：+886-3-2710190 Taiwan Accreditation Foundation accreditation number: 1330 Eurofins E&E Wireless Taiwan Co., Ltd. tested the above equipment in accordance with the requirements set forth in the above standards. All indications of Pass/Fail in this report are opinions expressed by Eurofins E&E Wireless Taiwan Co., Ltd. based on interpretations and/or observations of test results. The test results show that the equipment tested is capable of demonstrating compliance with the requirements as documented in this report. Approved By ： DFS Test Report Report No.: USRC255024004 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 4 of 102 Template : v02.00 TABLE OF CONTENTS 1 General Information ........................................................................................................ 5 1.1. Summary of Test Result ............................................................................................ 5 1.2. Testing Location ........................................................................................................ 6 1.3. Test Site Environment................................................................................................ 6 2 EUT Description............................................................................................................... 7 3 Test Methodology ............................................................................................................ 9 3.1. Mode of Operation ..................................................................................................... 9 3.2. EUT Test Step ........................................................................................................... 9 3.3. Test Instruments ...................................................................................................... 10 4 Dynamic Frequency Selection ..................................................................................... 11 4.1. Limits ....................................................................................................................... 11 4.2. Test and Measurement System ............................................................................... 15 5 Test Results ................................................................................................................... 17 5.1. Radar Waveforms and Traffic .................................................................................. 17 5.2. Channel Loading ..................................................................................................... 32 5.3. Channel Availability Check Time.............................................................................. 35 5.4. Channel Move Time and Channel Closing Transmission Time ................................ 38 5.5. Non-Occupancy Period ........................................................................................... 41 5.6. U-NII Detection Bandwidth ...................................................................................... 42 5.7. Statistical Performance check ................................................................................. 45 Appendix A. Test Setup Photographs DFS Test Report Report No.: USRC255024004 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 5 of 102 Template : v02.00 1 General Information 1.1. Summary of Test Result Standard Item Result Remark 15.407(h)(2) Channel Availability Check Time PASS --- 15.407(h)(2) Channel Move Time PASS --- 15.407(h)(2) Channel Closing Transmission Time PASS --- 15.407(h)(2) Non-Occupancy Period PASS --- 15.407(h)(2) U-NII Detection Bandwidth PASS --- 15.407(h)(2) Statistical Performance check PASS --- Decision Rule ■ Uncertainty is not included. □ Uncertainty i…

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RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 404 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE40 5710 MHz Polarization: Horizontal Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 5376.25 40.51 -1.11 39.40 54.00 -14.60 AVG 2 5460.00 39.65 -0.57 39.08 54.00 -14.92 AVG RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 405 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE40 5755 MHz Polarization: Vertical Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 5642.38 53.41 -0.63 52.78 68.20 -15.42 PEAK 2 5650.00 52.82 -0.64 52.18 68.20 -16.02 PEAK 3 5700.00 52.26 -0.61 51.65 105.20 -53.55 PEAK 4 5720.00 61.82 -0.40 61.42 110.80 -49.38 PEAK 5 5725.00 60.31 -0.34 59.97 122.20 -62.23 PEAK 6 5747.75 108.76 -0.10 108.66 131.20 -22.54 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 406 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE40 5755 MHz Polarization: Horizontal Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 5616.50 53.22 -0.59 52.63 68.20 -15.57 PEAK 2 5650.00 51.19 -0.64 50.55 68.20 -17.65 PEAK 3 5700.00 52.94 -0.61 52.33 105.20 -52.87 PEAK 4 5720.00 60.90 -0.40 60.50 110.80 -50.30 PEAK 5 5725.00 60.53 -0.34 60.19 122.20 -62.01 PEAK 6 5765.00 108.55 -0.01 108.54 131.20 -22.66 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 407 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE40 5795 MHz Polarization: Vertical Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 5797.63 110.46 0.14 110.60 131.20 -20.60 PEAK 2 5850.00 53.35 0.28 53.63 122.20 -68.57 PEAK 3 5855.00 52.20 0.29 52.49 110.80 -58.31 PEAK 4 5875.00 50.39 0.34 50.73 105.20 -54.47 PEAK 5 5925.00 50.11 0.28 50.39 68.20 -17.81 PEAK 6 5957.75 52.02 0.16 52.18 68.20 -16.02 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 408 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE40 5795 MHz Polarization: Horizontal Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 5793.13 108.89 0.12 109.01 131.20 -22.19 PEAK 2 5850.00 52.35 0.28 52.63 122.20 -69.57 PEAK 3 5855.00 53.11 0.29 53.40 110.80 -57.40 PEAK 4 5875.00 50.04 0.34 50.38 105.20 -54.82 PEAK 5 5925.00 50.16 0.28 50.44 68.20 -17.76 PEAK 6 5927.75 51.95 0.26 52.21 68.20 -15.99 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 409 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE80 5210 MHz Polarization: Vertical Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 5116.36 56.14 -0.88 55.26 74.00 -18.74 PEAK 2 5150.00 55.91 -0.91 55.00 74.00 -19.00 PEAK 3 5201.48 108.31 -1.16 107.15 68.20 38.95 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 410 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE80 5210 MHz Polarization: Horizontal Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 5141.44 61.23 -0.90 60.33 74.00 -13.67 PEAK 2 5150.00 62.68 -0.91 61.78 74.00 -12.22 PEAK 3 5187.80 110.66 -1.09 109.57 68.20 41.37 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 411 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE80 5210 MHz Polarization: Vertical Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 5142.96 47.90 -0.90 47.00 54.00 -7.00 AVG 2 5150.00 47.51 -0.91 46.60 54.00 -7.40 AVG RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 412 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE80 5210 MHz Polarization: Horizontal Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 5139.92 51.58 -0.90 50.68 54.00 -3.32 AVG 2 5150.00 52.65 -0.91 51.75 54.00 -2.25 AVG RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 413 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE80 5290 MHz Polarization: Vertical Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 5260.56 107.76 -1.53 106.23 68.20 38.03 PEAK 2 5350.00 56.23 -1.29 54.94 74.00 -19.06 PEAK 3 5371.44 58.94 -1.14 57.80 74.00 -16.20 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 414 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE80 5290 MHz Polarization: Vertical Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 5277.84 109.70 -1.58 108.12 68.20 39.92 PEAK 2 5350.00 59.71 -1.29 58.42 74.00 -15.58 PEAK 3 5357.28 61.35 -1.24 60.11 74.00 -13.89 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 415 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE80 5290 MHz Polarization: Vertical Remark: ID Frequency MHz Reading dBuV Correct Fact…

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RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 277 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE20 5260 MHz Polarization: Vertical Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 10520.00 36.02 11.59 47.61 68.20 -20.59 PEAK 2 15780.00 34.35 13.75 48.10 74.00 -25.90 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 278 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE20 5260 MHz Polarization: Horizontal Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 10520.00 35.19 11.59 46.78 68.20 -21.42 PEAK 2 15780.00 34.35 13.75 48.10 74.00 -25.90 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 279 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE20 5280 MHz Polarization: Vertical Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 10560.00 36.02 11.56 47.58 68.20 -20.62 PEAK 2 15840.00 33.84 13.60 47.44 74.00 -26.56 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 280 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE20 5280 MHz Polarization: Horizontal Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 10560.00 35.60 11.56 47.16 68.20 -21.04 PEAK 2 15840.00 34.33 13.60 47.93 74.00 -26.07 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 281 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE20 5320 MHz Polarization: Vertical Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 10640.00 35.94 11.55 47.49 74.00 -26.51 PEAK 2 15960.00 35.46 13.22 48.68 74.00 -25.32 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 282 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE20 5320 MHz Polarization: Horizontal Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 10640.00 36.10 11.55 47.65 74.00 -26.35 PEAK 2 15960.00 35.01 13.22 48.23 74.00 -25.77 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 283 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE20 5500 MHz Polarization: Vertical Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 11000.00 35.41 11.79 47.20 74.00 -26.80 PEAK 2 16500.00 33.88 14.31 48.19 68.20 -20.01 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 284 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE20 5500 MHz Polarization: Horizontal Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 11000.00 35.40 11.79 47.19 74.00 -26.81 PEAK 2 16500.00 33.63 14.31 47.94 68.20 -20.26 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 285 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE20 5560 MHz Polarization: Vertical Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 11120.00 35.83 12.03 47.86 74.00 -26.14 PEAK 2 16680.00 33.62 15.21 48.83 68.20 -19.37 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 286 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE20 5560 MHz Polarization: Horizontal Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 11120.00 35.54 12.03 47.57 74.00 -26.43 PEAK 2 16680.00 34.27 15.21 49.48 68.20 -18.72 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 287 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE20 5700 MHz Polarization: Vertical Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 11400.00 35.40 12.21 47.61 74.00 -26.39 PEAK 2 17100.00 34.18 17.37 51.56 68.20 -16.64 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 288 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE20 5700 MHz Polarization: Horizontal Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 11400.00 35.89 12.21 48.10 74.00 -25.90 PEAK 2 17100.00 34.33 17.37 51.70 68.20 -16.50 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 289 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE20 5720 MHz Polarization: Vertical Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 11440.00 35.98 12.41 48.39 74.00 -25.61 PEAK 2 17160.00 33.75 17.82 51.57 68.20 -16.63 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 290 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11ax HE20 5720 MHz Polarization: Horizontal Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit …

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RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 150 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11a 5320 MHz Polarization: Horizontal Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 5350.00 43.53 -1.29 42.24 54.00 -11.76 AVG 2 5350.80 43.55 -1.29 42.26 54.00 -11.74 AVG RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 151 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11a 5500 MHz Polarization: Vertical Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 5408.32 53.17 -0.88 52.29 74.00 -21.71 PEAK 2 5460.00 51.19 -0.57 50.62 74.00 -23.38 PEAK 3 5468.80 53.36 -0.56 52.80 68.20 -15.40 PEAK 4 5470.00 53.29 -0.56 52.73 68.20 -15.47 PEAK 5 5503.12 113.44 -0.53 112.91 68.20 44.71 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 152 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11a 5500 MHz Polarization: Horizontal Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 5405.92 53.48 -0.90 52.58 74.00 -21.42 PEAK 2 5460.00 49.41 -0.57 48.84 74.00 -25.16 PEAK 3 5467.12 52.63 -0.57 52.06 68.20 -16.14 PEAK 4 5470.00 52.08 -0.56 51.52 68.20 -16.68 PEAK 5 5506.72 113.38 -0.53 112.85 68.20 44.65 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 153 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11a 5500 MHz Polarization: Vertical Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 5407.12 43.08 -0.89 42.19 54.00 -11.81 AVG 2 5460.00 41.06 -0.57 40.49 54.00 -13.51 AVG RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 154 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11a 5500 MHz Polarization: Horizontal Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 5408.80 42.86 -0.88 41.98 54.00 -12.02 AVG 2 5460.00 40.64 -0.57 40.07 54.00 -13.93 AVG RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 155 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11a 5560 MHz Polarization: Vertical Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 5388.64 52.51 -1.02 51.49 74.00 -22.51 PEAK 2 5460.00 51.40 -0.57 50.83 74.00 -23.17 PEAK 3 5461.12 53.36 -0.57 52.79 68.20 -15.41 PEAK 4 5470.00 53.77 -0.56 53.21 68.20 -14.99 PEAK 5 5554.96 113.68 -0.51 113.17 68.20 44.97 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 156 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11a 5560 MHz Polarization: Horizontal Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 5455.84 51.97 -0.58 51.39 74.00 -22.61 PEAK 2 5460.00 51.25 -0.57 50.68 74.00 -23.32 PEAK 3 5463.04 52.44 -0.57 51.87 68.20 -16.33 PEAK 4 5470.00 50.57 -0.56 50.01 68.20 -18.19 PEAK 5 5559.52 113.18 -0.51 112.68 68.20 44.48 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 157 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11a 5560 MHz Polarization: Vertical Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 5459.20 43.04 -0.57 42.47 54.00 -11.53 AVG 2 5460.00 42.65 -0.57 42.08 54.00 -11.92 AVG RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 158 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11a 5560 MHz Polarization: Horizontal Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 5458.72 42.29 -0.57 41.72 54.00 -12.28 AVG 2 5460.00 41.54 -0.57 40.97 54.00 -13.03 AVG RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 159 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11a 5700 MHz Polarization: Vertical Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 5702.94 115.18 -0.58 114.60 68.20 46.40 PEAK 2 5725.00 53.13 -0.34 52.79 68.20 -15.41 PEAK 3 5727.44 54.43 -0.32 54.11 68.20 -14.09 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 160 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11a 5700 MHz Polarization: Horizontal Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 5696.27 112.56 -0.61 111.95 68.20 43.75 PEAK 2 5725.00 53.47 -0.34 53.13 68.20 -15.07 PEAK 3 5731.79 53.50 -0.27 53.23 68.20 -14.97 PEAK RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 161 of 431 Template : v03.00 Test Site: 966 Chamber Standard: Part 15E Test Mode: 802.11a 5720 MHz Polarization: Vertical Remark: ID Frequency MHz Reading dBuV Correct Factor dB/m Result dBuV/m Limit dBuV/m Margin dB Remark 1 5431.25 52.09 -0.72 51.37 74.00 -22.63 PEAK 2 5460.00 49.21 -0.57 48.64 74.00 -25.36 PEAK 3 5470.00 49.00 -0.56 48.44 68.20 -19.76 PEAK 4 5719.38 114.18 -0.40 113.78 68.20 45.58 PEAK 5 5850.00 50.71 0.28 50.99 68.20 -17.21 PEAK 6 5903.13 52.29 0.39 52.68 68.20 -15.52 PEAK RF Test Report Report No.: US…

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RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 1 of 431 Template : v03.00 RF Test Report Applicant ： Delta Electronics, Inc. Product Name ： 802.11ax enterprise access point Trade Name ： DELTA Model Number ： AP-623E Applicable Standard ： FCC 47 CFR PART 15 SUBPART E ANSI C63.10:2013 Received Date ： May 05, 2025 Test Period ： May 20, 2025 ~ Jun. 28, 2025 Issued Date ： Aug. 19, 2025 Issued by Eurofins E&E Wireless Taiwan Co., Ltd. No. 140-1, Changan Street, Bade District, Taoyuan City, Taiwan (R.O.C.) Tel：+886-3-2710188 / Fax：+886-3-2710190 Taiwan Accreditation Foundation accreditation number: 1330 Frequency Range: 9 kHz to 325 GHz Bade test site： Test Firm Registration Number: 226252 Test Firm Designation Number: TW0010 Wugu test site： Test Firm Registration Number: 191812 Test Firm Designation Number: TW0034 Note: 1.The test results are valid only for samples provided by customers and under the test conditions described in this report. 2.This report shall not be reproduced except in full, without the written approval of Eurofins E&E Wireless Taiwan Co., Ltd. 3.The relevant information is provided by customers in this test report. According to the correctness, appropriateness or completeness of the information provided by the customer, if there is any doubt or error in the information which affects the validity of the test results, the laboratory does not take the responsibility. RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 2 of 431 Template : v03.00 Revision History Rev. Issued Date Description Revised By 00 Aug. 19, 2025 Initial Issue Abby Huang RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 3 of 431 Template : v03.00 Verification of Compliance Applicant : Delta Electronics, Inc. Product Name : 802.11ax enterprise access point Trade Name : DELTA Model Number : AP-623E FCC ID : PD5-AP623E Applicable Standard : FCC 47 CFR PART 15 SUBPART E ANSI C63.10:2013 Test Result : Complied Issued By : Eurofins E&E Wireless Taiwan Co., Ltd. No. 140-1, Changan Street, Bade District, Taoyuan City, Taiwan (R.O.C.) Tel：+886-3-2710188 / Fax：+886-3-2710190 Taiwan Accreditation Foundation accreditation number: 1330 Eurofins E&E Wireless Taiwan Co., Ltd. tested the above equipment in accordance with the requirements set forth in the above standards. All indications of Pass/Fail in this report are opinions expressed by Eurofins E&E Wireless Taiwan Co., Ltd. based on interpretations and/or observations of test results. The test results show that the equipment tested is capable of demonstrating compliance with the requirements as documented in this report. Approved By ： RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 4 of 431 Template : v03.00 TABLE OF CONTENTS 1 General Information .................................................................................................... 5 1.1. Summary of Test Result ............................................................................................... 5 1.2. Testing Location ........................................................................................................... 6 1.3. Measurement Uncertainty ............................................................................................ 6 1.4. Test Site Environment .................................................................................................. 6 2 EUT Description .......................................................................................................... 7 3 Test Methodology ..................................................................................................... 13 3.1. Mode of Operation ......................................................................................................13 3.2. EUT Test Step .............................................................................................................16 3.3. Configuration of Test System Details ..........................................................................17 3.4. Test Instruments .........................................................................................................19 4 Measurement Procedure .......................................................................................... 23 4.1. AC Power Conducted Emission Measurement ...........................................................23 4.2. Transmitter Radiated Emissions Measurement ...........................................................25 4.3. Maximum Conducted Output Power and Transmit power control Measurement .........30 4.4. 26 dB RF Bandwidth Measurement ............................................................................31 4.5. 6 dB RF Bandwidth Measurement ..............................................................................32 4.6. Maximum Power Spectral Density Measurement ........................................................33 4.7. Automatically discontinue transmission .......................................................................35 4.8. Antenna Requirement .................................................................................................36 5 Test Results .............................................................................................................. 37 5.1. Conducted Emission ...................................................................................................37 5.2. Radiated Emission Measurement ...............................................................................41 Appendix A. Test Data Appendix B. Test Plots Appendix C. Test Setup Photographs RF Test Report Report No.: USRC255024003 Issued Date: Aug. 19, 2025 Eurofins E&E Wireless Taiwan Co., Ltd. Page 5 of 431 Template : v03.00 1 General Information 1.1. Summary of Test Result Standard Item Re…

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