2BASB-PKM8721DAF2.4GHz/5GHzWireless LAN/Bluetooth module

第1页 ，共 10页 PKM8721DAF-C13-F10&PKM8721DAF-D23-F10 technical manuals 20250628 R e a l t e k 第2页 ，共 10页 1．Module definition -- Module package: 22 Pin -- module size: PKM8721DAF-C13-F10: 16mm(W)×24mm(L)×2.8mm(H) PKM8721DAF-D23-F10: 16mm(W)×18mm(L)×2.8mm(H) PKM8721DAF-C13-F10 PKM8721DAF-D23-F10 Top view PKM8721DAF-C13-F10 PKM8721DAF-D23-F10 R e a l t e k 第3页 ，共 10页 Bottom view 2．Schematic diagram and pin definition --Schematic diagram: PKM8721DAF-C13-F10 R e a l t e k 第4页 ，共 10页 PKM8721DAF-D23-F10 -- Pin definition： PKM8721DAF-C13-F10 PKM8721DAF-D23-F10 -- Pin function(two modules have the same output pin)： PIN name Pin number Function CHIP_EN 3 Enable pin, 3.3V is required for use PAxx/PBxx 1,2,4,6,7,9 ~14,16,18~22 GPIO pin，is configurable VD33 8 3.3V power pin of module PB5 17 Log Uart TX PB4 5 Log Uart RX GND 15 Ground R e a l t e k 第5页 ，共 10页 3. RF characteristics Parameter item description Frequency Center channel 2.412~2.484GHz, 5.180~5.825 GHz Wi-Fi standard IEEE 802.11a/b/g/n(2.4G channel1-14, 5G channel 36-165) Data transmission rate 11b:1,2,5.5, 11 (Mbps) 11a/g:6,9,12,18,24,36,48,54(Mbps) 11n:HT20 MCS0~7, HT40 MCS0~7 Antenna type PCB Antenna:[email protected], [email protected] FPC Antenna:[email protected], [email protected] 4. Demo board instructions 4.1 Required software and hardware Taking PKM8721DAF-C13-F10 as an example, the usage methods of the two modules are basically the same. software：“USB to UART tool \PL2303G...”is the USB to UART driver, which needs to be installed； “Ameba mptool”，is a tool to control sample TX/RX and can be used directly； Hardware: as shown in the figure below, the sample is module + development board; the lower left corner is the chip PL2303GC for USB to UART R e a l t e k 第6页 ，共 10页 -- Connection steps： The software driver should be installed before test In the folder: " USB to UART tool PL2303G Windows_ In v402”, double-click the installer to install the PL2303 driver. Follow the prompts to complete the installation. A USB cable is needed to connect the sample to the computer through the specified Type-C USB port. The driver may need to be installed twice, that is, repeat the above twice, and then you can see the serial port Prolific PL22303GC USB Serial COM Port (COM17) as shown in the figure below； R e a l t e k 第7页 ，共 10页 4.2 Using ameba mptool Unzip the document AmebaDPlus_MP_tool_1V12.7z, and double-click UI_ mptool.exe Choose com8 from the "select com" menu and click “initialize”. The following dialog box appears. R e a l t e k 第8页 ，共 10页 4.3 RF test 4.3.1 Normal 11a/b/g/n TX test As shown in the figure below, the required settings are only a few items in the box. Select channel, rate, power index (adjustable range: 0-127,default 84) &bandwidth, and the test item select continuous TX (TX duty cycle = 100%). Then click start, the waveform can be seen on the spectrum, and click stop when finished; An example is shown in the figure below，channel-7，OFDM-54M，power index=88， bandwidth=20M，continuous Tx. During certification, low rates (1M, 6M, HT20-MCS0, HT40-MCS0) are usually tested. Before the TX test, you need to check the “Pweidex by Rate and Limit” option first. At this time, the power index is set as the default value. To modify the power setting, please uncheck “Pweidex by Rate and Limit”, and then change the tx power index(0.25db per step). After setting, click “start”. If you need to modify channel / rate / power index, stop first and then modify. R e a l t e k 第9页 ，共 10页 4.3.2 TX band edge test The module has special tuning parameters for sidebands, and FCC and SRRC must check "Enable BE setting" when testing sidebands(only applicable to 11a/g/n). 4.3.2 RX test The rate/channel settings for RX testing are basically the same as TX, just select the testing item as “packet RX (all)”. R e a l t e k 第10页 ，共 10页 5. Points for attention： 1) Different samples connected to the computer may have different COM numbers, so the number displayed at selectCOM will be different. 2) Please do not keep the Tx state for a long time without conducting any tests to avoid overheating the board and affecting the test results. 3) Regarding the tx power setting, select the “Pweidex by Rate and Limit” option, and the index value will be obtained from efuse and brought into the default power setting. To adjust the power, first uncheck “Power by Rate and Limit”. 4) The default power setting for different speeds/channels of the module may vary, and the power setting for low rate is usually higher, making it easier to get stuck in regulations. Therefore, certification testing usually tests for low rate. Different channels may also have some differences, please make sure that high, medium, and low channels have been tested. R e a l t e k FCC Certification Requirements. According to the definition of mobile and fixed device is described in Part 2.1091(b), this device is a mobile device. And the following conditions must be met: 1. This Modular Approval is limited to OEM installation for mobile and fixed applications only. The antenna installation and operating configurations of this transmitter, including any applicable source-based time- averaging duty factor, antenna gain and cable loss must satisfy MPE categorical Exclusion Requirements of 2.1091. 2. The EUT is a mobile device; maintain at least a 20 cm separation between the EUT and the user’s body and must not transmit simultaneously with any other antenna or transmitter. 3. A label with the following statements must be attached to the host end product: This device contains FCC ID: 2BASB-PKM8721DAF. 4.To comply with FCC regulations limiting both maximum RF output power and human exposure to RF radiation, maximum antenna gain (including cable loss) must not exceed: For model PKM8721DAF-C13-F10: Band Antenna Gain (dBi) Wi-Fi 2.4GHz 4.30 Wi-Fi 5G(U-NII-1) 1.80 Wi-Fi 5G(U-NII-2A) 1.00 Wi-Fi 5G(U-NII-2C) 1.00 Wi-Fi 5G(U-NII-3) 1.00 Bluetooth LE 4.30 For model PKM8721DAF-D23-F10: Band Antenna Gain (dBi) Wi-Fi 2.4GHz 3.60 Wi-Fi 5G(U-NII-1) 3.10 Wi-F…

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Internal photo FCC ID: 2BASB-PKM8721DAF Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-034E Page 1 of 1 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Internal photo PKM8721DAF-C13-F10 PKM8721DAF-D23-F10

RF Test Setup Report No: EFTA25040242-IE-08 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-107R Page 1 of 6 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Part15C/15E Test Setup PKM8721DAF-C13-F10 9kHz-30MHz 30MHz-1GHz RF Test Setup Report No: EFTA25040242-IE-08 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-107R Page 2 of 6 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 1GHz-18GHz 18GHz - 26.5GHz RF Test Setup Report No: EFTA25040242-IE-08 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-107R Page 3 of 6 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 26.5GHz - 40GHz PKM8721DAF-D23-F10 9kHz-30MHz RF Test Setup Report No: EFTA25040242-IE-08 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-107R Page 4 of 6 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 30MHz-1GHz 1GHz-18GHz RF Test Setup Report No: EFTA25040242-IE-08 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-107R Page 5 of 6 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 18GHz - 26.5GHz 26.5GHz - 40GHz Picture 1 Radiated Emission Test Setup RF Test Setup Report No: EFTA25040242-IE-08 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-107R Page 6 of 6 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. PKM8721DAF-C13-F10 PKM8721DAF-D23-F10 Picture 2 Conducted Emission Test Setup

RF Test Setup Report No.: EFTA25040242-IE-08 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-109R Page 1 of 1 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. DFS Test Setup Picture 1 DFS Test Setup

Prepared by: Xu Ying Approved by: Xu Kai Eurofins TA Technology (Shanghai) Co., Ltd. Building 3, No.145, Jintang Rd, Pudong Shanghai, P.R.China TEL: +86-021-50791141/2/3 FAX: +86-021-50791141/2/3-8000 RF TEST REPORT Applicant Realsil Microelectronics (Suzhou) Co., Ltd. FCC ID 2BASB-PKM8721DAF Product 2.4GHz/5GHz wireless LAN/Bluetooth module Brand Realsil Model PKM8721DAF-C13-F10; PKM8721DAF-D23-F10 Report No. EFTA25040242-IE-08-R3 Issue Date September 25, 2025 Eurofins TA Technology (Shanghai) Co., Ltd. tested the above equipment in accordance with the requirements in FCC CFR47 Part 15E (2024). The test results show that the equipment tested is capable of demonstrating compliance with the requirements as documented in this report. RF Test Report Report No.: EFTA25040242-IE-08-R3 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-04-007R Page 2 of 23 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. TABLE OF CONTENT 1. Test Laboratory ............................................................................................................................... 4 1.1. Notes of the Test Report ......................................................................................................... 4 1.2. Test Facility ............................................................................................................................. 4 1.3. Testing Location ...................................................................................................................... 4 1. General Description of Equipment Under Test ............................................................................... 5 2.1. Applicant and Manufacturer Information ................................................................................ 5 2.2. General Information ................................................................................................................ 5 3. Applied Standards ........................................................................................................................... 7 4. DFS Technical Requirements and Radar Test Waveforms ........................................................... 8 4.1. DFS Overview ......................................................................................................................... 8 4.2. DFS Detection Thresholds ...................................................................................................... 9 4.3. Radar Test Waveforms ......................................................................................................... 10 4.4. Test Set-ups .......................................................................................................................... 13 5. Test Case ...................................................................................................................................... 15 5.1. DFS Detection Thresholds .................................................................................................... 15 5.2. Channel Move Time, Channel Closing Transmission Time and Non-Occupancy Period ... 16 6. Test Results .................................................................................................................................. 18 6.1. DFS Detection Thresholds .................................................................................................... 18 6.2. Channel Move Time, Channel Closing Transmission Time and Non-Occupancy Period ... 19 6. Main Test Instruments................................................................................................................... 21 ANNEX A: The EUT Appearance ......................................................................................................... 22 ANNEX B: Test Setup Photos .............................................................................................................. 23 RF Test Report Report No.: EFTA25040242-IE-08-R3 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-04-007R Page 3 of 23 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Summary of Measurement Results Number Test Case Clause in FCC rules Verdict 1 DFS Detection Threshold 15.407/KDB 905462 5.2 Pass 2 U-NII Detection Bandwidth 15.407/KDB 905462 7.8.1 NA 3 Channel Availability Check Time 15.407/KDB 905462 7.8.2 NA 4 Channel Move Time 15.407/KDB 905462 7.8.3 Pass 5 Channel Closing Transmission Time 15.407/KDB 905462 7.8.3 Pass 6 Non-Occupancy Period (NOP) 15.407/KDB 905462 7.8.3 Pass 7 Statistical Performance Check 15.407/KDB 905462 7.8.4 NA Date of Testing: May 19, 2025 Date of Sample Received: April 22, 2025 Note: PASS: The EUT complies with the essential requirements in the standard. FAIL: The EUT does not comply with the essential requirements in the standard. NA: Not applicable. All indications of Pass/Fail in this report are opinions expressed by Eurofins TA Technology (Shanghai) Co., Ltd. based on interpretations and/or observations of test results. Measurement Uncertainties were not taken into account and are published for informational purposes only. RF Test Report Report No.: EFTA25040242-IE-08-R3 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-04-007R Page 4 of 23 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 1. Test Laboratory 1.1. Notes of the Test Report This report shall not be reproduced in full or partial, without the written approval of Eurofins TA technology (shanghai) co., Ltd. The results documented in this report apply only to the tested sample, under the conditions and modes of operation as described herein. Measurement Uncertainties were not taken into account and are published for informational purposes only. This report is written to support regulatory compliance of the applicable standards stated above. 1.2. Test …

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RF Test Report Report No.: EFTA25040242-IE-08-R2 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-04-006R Page 206 of 246 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 0 20 40 60 80 100 120 8G 10G18G Level in dBV/ Frequency in Hz FCC 15E band 2C RE PK FCC 15E band 2C RE AV Radiates Emission from 8GHz to 18GHz Frequency (MHz) MaxPeak (dBμV/m) Average (dBμV/m) Limit (dBμV/m) Margin (dB) Meas. Time (ms) Height (cm) Pol Azimuth (deg) Corr. (dB/m) 8871.250000 43.48 --- 68.20 24.72 500.0 200.0 H 181.0 -1.4 9105.000000 --- 32.07 54.00 21.93 500.0 200.0 H 345.0 -1.2 9321.250000 --- 32.59 54.00 21.41 500.0 200.0 H 64.0 -1.0 10251.250000 43.52 --- 68.20 24.68 500.0 200.0 V 1.0 -1.1 10592.500000 43.61 --- 68.20 24.59 500.0 200.0 V 165.0 -0.9 11158.750000 --- 37.78 54.00 16.22 500.0 200.0 H 64.0 -0.5 13352.500000 --- 34.03 54.00 19.97 500.0 200.0 V 255.0 2.4 13720.000000 45.39 --- 68.20 22.81 500.0 200.0 H 325.0 3.3 15295.000000 47.72 --- 68.20 20.48 500.0 200.0 V 317.0 5.6 15592.500000 --- 36.77 54.00 17.23 500.0 200.0 H 136.0 6.5 16748.750000 56.81 --- 68.20 11.39 500.0 200.0 H 296.0 8.6 17708.750000 --- 40.28 54.00 13.72 500.0 200.0 H 136.0 10.3 RF Test Report Report No.: EFTA25040242-IE-08-R2 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-04-006R Page 207 of 246 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 802.11n (HT20) CH140 0 20 40 60 80 100 120 1G2G3G4G5G678G Level in dBV/ Frequency in Hz FCC 15E band 2C RE PK FCC 15E band 2C RE AV Note: The signal beyond the limit is carrier. Radiates Emission from 1GHz to 8GHz Frequency (MHz) MaxPeak (dBμV/m) Average (dBμV/m) Limit (dBμV/m) Margin (dB) Meas. Time (ms) Height (cm) Pol Azimuth (deg) Corr. (dB/m) 1294.875000 40.22 --- 68.20 27.98 500.0 200.0 H 0.0 -8.2 1406.000000 --- 30.09 54.00 23.91 500.0 100.0 V 207.0 -7.5 1684.250000 --- 31.30 54.00 22.70 500.0 100.0 H 256.0 -6.0 1965.125000 44.19 --- 68.20 24.01 500.0 200.0 V 131.0 -4.7 2623.125000 46.17 --- 68.20 22.03 500.0 200.0 V 302.0 -2.0 2808.625000 --- 35.72 54.00 18.28 500.0 100.0 H 0.0 -1.2 3544.500000 50.47 --- 68.20 17.73 500.0 100.0 V 328.0 1.7 3933.875000 --- 38.96 54.00 15.04 500.0 100.0 V 289.0 2.7 4341.625000 --- 39.12 54.00 14.88 500.0 100.0 H 101.0 3.5 5261.250000 50.65 --- 68.20 17.55 500.0 100.0 H 101.0 5.3 6815.250000 52.65 --- 68.20 15.55 500.0 100.0 H 238.0 6.8 7431.250000 --- 40.68 54.00 13.32 500.0 100.0 H 34.0 7.1 RF Test Report Report No.: EFTA25040242-IE-08-R2 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-04-006R Page 208 of 246 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 0 20 40 60 80 100 120 8G 10G18G Level in dBV/ Frequency in Hz FCC 15E band 2C RE PK FCC 15E band 2C RE AV Radiates Emission from 8GHz to 18GHz Frequency (MHz) MaxPeak (dBμV/m) Average (dBμV/m) Limit (dBμV/m) Margin (dB) Meas. Time (ms) Height (cm) Pol Azimuth (deg) Corr. (dB/m) 8883.750000 43.10 --- 68.20 25.10 500.0 200.0 H 211.0 -1.4 9101.250000 --- 31.84 54.00 22.16 500.0 200.0 H 122.0 -1.2 9458.750000 --- 32.16 54.00 21.84 500.0 200.0 H 342.0 -0.2 10140.000000 43.79 --- 68.20 24.41 500.0 200.0 H 86.0 -1.0 10593.750000 43.16 --- 68.20 25.04 500.0 200.0 V 24.0 -0.9 11400.000000 --- 37.07 54.00 16.93 500.0 200.0 V 201.0 -0.5 13328.750000 --- 33.84 54.00 20.16 500.0 200.0 V 0.0 2.3 13585.000000 46.05 --- 68.20 22.15 500.0 200.0 H 32.0 2.9 15288.750000 47.83 --- 68.20 20.37 500.0 200.0 H 237.0 5.6 15590.000000 --- 36.52 54.00 17.48 500.0 200.0 V 352.0 6.5 17103.750000 55.93 --- 68.20 12.27 500.0 200.0 H 95.0 8.9 17727.500000 --- 40.35 54.00 13.65 500.0 200.0 V 29.0 10.3 RF Test Report Report No.: EFTA25040242-IE-08-R2 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-04-006R Page 209 of 246 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 802.11n (HT20) CH144 0 20 40 60 80 100 120 1G2G3G4G5G678G Level in dBV/ Frequency in Hz FCC 15E band 2C RE PK FCC 15E band 2C RE AV Note: The signal beyond the limit is carrier. Radiates Emission from 1GHz to 8GHz Frequency (MHz) MaxPeak (dBμV/m) Average (dBμV/m) Limit (dBμV/m) Margin (dB) Meas. Time (ms) Height (cm) Pol Azimuth (deg) Corr. (dB/m) 1291.375000 40.43 --- 68.20 27.77 500.0 100.0 V 0.0 -8.3 1412.125000 --- 29.90 54.00 24.10 500.0 100.0 V 352.0 -7.5 1698.250000 --- 31.20 54.00 22.80 500.0 100.0 V 298.0 -6.0 1903.000000 44.02 --- 68.20 24.18 500.0 200.0 H 204.0 -5.0 2682.625000 47.15 --- 68.20 21.05 500.0 100.0 H 0.0 -1.8 2827.875000 --- 35.59 54.00 18.41 500.0 200.0 V 175.0 -1.1 3560.250000 50.36 --- 68.20 17.84 500.0 100.0 V 298.0 1.7 3940.875000 --- 38.97 54.00 15.03 500.0 100.0 H 165.0 2.7 4063.375000 --- 39.31 54.00 14.69 500.0 200.0 V 103.0 3.4 5249.000000 50.84 --- 68.20 17.36 500.0 200.0 V 91.0 5.3 6800.375000 52.74 --- 68.20 15.46 500.0 100.0 H 0.0 6.8 7434.750000 --- 40.73 54.00 13.27 500.0 200.0 V 198.0 7.1 RF Test Report Report No.: EFTA25040242-IE-08-R2 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-04-006R Page 210 of 246 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 0 20 40 60 80 100 120 8G 10G18G Level in dBV/ Frequency in Hz FCC 15E band 2C RE PK FCC 15E band 2C RE AV Radiates Emission from 8GHz to 18GHz Frequency (MHz) MaxPeak (dBμV/m) Average (dBμV/m) Limit (dBμV/m) Margin (dB) Meas. Time (ms) Height (cm) Pol Azimuth (deg) Corr. (dB/m) 8985.000000 43.04 --- 68.20 25.16 500.0 200.0 H 28.0 -1.3 9100.000000 --- 32.07 54.00 21.93 500.0 200.0 V 32.0 -1.2 9321.250000 --- 32.46 54.00 21.54 500.0 200.0 H 172.0 -1.0 9545.000000 43.40 --- 68.20 24.80 500.0 200.0 V 159.0 -0.2 10595.000000 42.65 --- 68.20 25.55 500.0 200.0 H 38.0 -0.9 11435.000000 --- 35.28 54.00 18.72 500.0 200.0 H 63.0 -0.6 13341.250000 --- 33.85 54.00 20.15 500.0 200.0…

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RF Test Report Report No.: EFTA25040242-IE-08-R2 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-04-006R Page 131 of 246 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 802.11n (HT20) CH140 0 20 40 60 80 100 120 1G2G3G4G5G678G Level in dBV/ Frequency in Hz FCC 15E band 2C RE PK FCC 15E band 2C RE AV Note: The signal beyond the limit is carrier. Radiates Emission from 1GHz to 8GHz Frequency (MHz) MaxPeak (dBμV/m) Average (dBμV/m) Limit (dBμV/m) Margin (dB) Meas. Time (ms) Height (cm) Pol Azimuth (deg) Corr. (dB/m) 1276.500000 40.31 --- 68.20 27.89 500.0 200.0 V 234.0 -8.4 1384.125000 --- 30.15 54.00 23.85 500.0 200.0 V 0.0 -7.7 1709.625000 --- 31.18 54.00 22.82 500.0 100.0 V 3.0 -5.9 1777.875000 43.24 --- 68.20 24.96 500.0 100.0 H 24.0 -5.6 2435.875000 45.57 --- 68.20 22.63 500.0 100.0 H 114.0 -2.4 2811.250000 --- 35.59 54.00 18.41 500.0 200.0 H 233.0 -1.2 3494.625000 50.34 --- 68.20 17.86 500.0 100.0 H 13.0 1.8 3961.875000 --- 39.11 54.00 14.89 500.0 100.0 V 238.0 2.9 5054.750000 --- 38.69 54.00 15.31 500.0 100.0 V 56.0 4.9 5207.875000 50.42 --- 68.20 17.78 500.0 100.0 V 300.0 5.3 6880.875000 53.50 --- 68.20 14.70 500.0 100.0 H 176.0 6.7 7439.125000 --- 41.08 54.00 12.92 500.0 200.0 V 0.0 7.1 RF Test Report Report No.: EFTA25040242-IE-08-R2 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-04-006R Page 132 of 246 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 0 20 40 60 80 100 120 8G 10G18G Level in dBV/ Frequency in Hz FCC 15E band 2C RE PK FCC 15E band 2C RE AV Radiates Emission from 8GHz to 18GHz Frequency (MHz) MaxPeak (dBμV/m) Average (dBμV/m) Limit (dBμV/m) Margin (dB) Meas. Time (ms) Height (cm) Pol Azimuth (deg) Corr. (dB/m) 8712.500000 42.96 --- 68.20 25.24 500.0 200.0 H 286.0 -1.6 9110.000000 --- 32.47 54.00 21.53 500.0 200.0 V 313.0 -1.2 9457.500000 --- 32.74 54.00 21.26 500.0 200.0 V 87.0 -0.2 9526.250000 44.71 --- 68.20 23.49 500.0 200.0 V 213.0 -0.2 10538.750000 42.63 --- 68.20 25.57 500.0 200.0 H 135.0 -0.9 11216.250000 --- 32.34 54.00 21.66 500.0 200.0 V 78.0 -0.6 13377.500000 --- 34.03 54.00 19.97 500.0 200.0 V 265.0 2.4 13696.250000 45.22 --- 68.20 22.98 500.0 200.0 H 235.0 3.2 15175.000000 48.18 --- 68.20 20.02 500.0 200.0 V 194.0 5.3 15576.250000 --- 36.99 54.00 17.01 500.0 200.0 H 244.0 6.4 16935.000000 50.77 --- 68.20 17.43 500.0 200.0 V 324.0 8.8 17727.500000 --- 39.25 54.00 14.75 500.0 200.0 H 197.0 10.3 RF Test Report Report No.: EFTA25040242-IE-08-R2 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-04-006R Page 133 of 246 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 802.11n (HT20) CH144 0 20 40 60 80 100 120 1G2G3G4G5G678G Level in dBV/ Frequency in Hz FCC 15E band 2C RE PK FCC 15E band 2C RE AV Note: The signal beyond the limit is carrier. Radiates Emission from 1GHz to 8GHz Frequency (MHz) MaxPeak (dBμV/m) Average (dBμV/m) Limit (dBμV/m) Margin (dB) Meas. Time (ms) Height (cm) Pol Azimuth (deg) Corr. (dB/m) 1276.500000 40.84 --- 68.20 27.36 500.0 200.0 H 153.0 -8.4 1392.875000 --- 30.36 54.00 23.64 500.0 100.0 V 1.0 -7.6 1703.500000 --- 31.46 54.00 22.54 500.0 200.0 V 260.0 -6.0 1972.125000 44.55 --- 68.20 23.65 500.0 100.0 V 70.0 -4.7 2687.000000 46.80 --- 68.20 21.40 500.0 200.0 V 251.0 -1.7 2768.375000 --- 36.36 54.00 17.64 500.0 100.0 V 26.0 -1.4 3431.625000 50.58 --- 68.20 17.62 500.0 100.0 V 0.0 1.5 3997.750000 --- 40.37 54.00 13.63 500.0 200.0 V 278.0 3.2 5109.875000 --- 40.83 54.00 13.17 500.0 200.0 V 342.0 5.1 5202.625000 52.58 --- 68.20 15.62 500.0 100.0 V 143.0 5.3 6638.500000 55.08 --- 68.20 13.12 500.0 200.0 V 223.0 6.6 7278.125000 --- 43.43 54.00 10.57 500.0 100.0 V 79.0 7.1 RF Test Report Report No.: EFTA25040242-IE-08-R2 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-04-006R Page 134 of 246 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 0 20 40 60 80 100 120 8G 10G18G Level in dBV/ Frequency in Hz FCC 15E band 2C RE PK FCC 15E band 2C RE AV Radiates Emission from 8GHz to 18GHz Frequency (MHz) MaxPeak (dBμV/m) Average (dBμV/m) Limit (dBμV/m) Margin (dB) Meas. Time (ms) Height (cm) Pol Azimuth (deg) Corr. (dB/m) 8710.000000 42.82 --- 68.20 25.38 500.0 200.0 H 16.0 -1.6 9107.500000 --- 32.17 54.00 21.83 500.0 200.0 H 356.0 -1.2 9312.500000 --- 32.85 54.00 21.15 500.0 200.0 V 269.0 -1.0 9542.500000 44.88 --- 68.20 23.32 500.0 200.0 H 110.0 -0.2 10578.750000 42.51 --- 68.20 25.69 500.0 200.0 H 302.0 -0.9 10680.000000 --- 32.34 54.00 21.66 500.0 200.0 H 319.0 -0.8 13317.500000 --- 34.16 54.00 19.84 500.0 200.0 H 292.0 2.3 13571.250000 45.60 --- 68.20 22.60 500.0 200.0 H 264.0 2.9 14972.500000 47.67 --- 68.20 20.53 500.0 200.0 H 219.0 5.2 15598.750000 --- 36.80 54.00 17.20 500.0 200.0 V 313.0 6.5 16932.500000 50.66 --- 68.20 17.54 500.0 200.0 V 134.0 8.8 17732.500000 --- 39.11 54.00 14.89 500.0 200.0 H 146.0 10.3 RF Test Report Report No.: EFTA25040242-IE-08-R2 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-04-006R Page 135 of 246 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 802.11n (HT20) CH149 0 20 40 60 80 100 120 1G2G3G4G5G678G Level in dBV/ Frequency in Hz FCC 15E band 3 RE PK FCC 15E band 3 RE AV Note: The signal beyond the limit is carrier. Radiates Emission from 1GHz to 8GHz Frequency (MHz) MaxPeak (dBμV/m) Average (dBμV/m) Limit (dBμV/m) Margin (dB) Meas. Time (ms) Height (cm) Pol Azimuth (deg) Corr. (dB/m) 1258.125000 41.75 --- 68.20 26.45 500.0 100.0 V 16.0 -8.6 1403.375000 --- 30.13 54.00 23.87 500.0 100.0 H 267.0 -7.6 1696.500000 --- 31.14 54.00 22.86 500.0 200.0 H 19.0 -6.0 1937.125000 43.88 --- 68.20 24.32 500.0 200.0 V 263.0 -4.8 2608.250000 46.37 --- 68.20 21.83 500.0 200.0 H 267.0 -2.0 2815.625000 --- 35.62 54.00 18.38 …

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RF Test Report Report No.: EFTA25040242-IE-08-R2 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-04-006R Page 76 of 246 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Limits (1) For transmitters operating in the 5725-5850 MHz band: All emissions shall be limited to a level of −27 dBm/MHz at 75 MHz or more above or below the band edge increasing linearly to 10 dBm/MHz at 25 MHz above or below the band edge, and from 25 MHz above or below the band edge increasing linearly to a level of 15.6 dBm/MHz at 5 MHz above or below the band edge, and from 5 MHz above or below the band edge increasing linearly to a level of 27 dBm/MHz at the band edge. (2) For transmitters operating in the 5.15-5.25 GHz band: All emissions outside of the 5.15-5.35 GHz band shall not exceed an e.i.r.p. of −27 dBm/MHz(68.2dBμV/m). (3) For transmitters operating in the 5.25-5.35 GHz band: All emissions outside of the 5.15-5.35 GHz band shall not exceed an e.i.r.p. of −27 dBm/MHz(68.2dBμV/m). (4) For transmitters operating in the 5.47-5.725 GHz band: All emissions outside of the 5.47-5.725 GHz band shall not exceed an e.i.r.p. of −27 dBm/MHz(68.2dBμV/m). Note: the following formula is used to convert the EIRP to field strength §1、E[dBμV/m] = EIRP[dBm] - 20 log(d[meters]) + 104.77, where E = field strength and d = distance at which field strength limit is specified in the rules; §2、E[dBμV/m] = EIRP[dBm] + 95.2, for d = 3 meters (5) Unwanted spurious emissions fallen in restricted bands per FCC Part15.205 shall comply with the general field strength limits set forth in § 15.209 as below table. Frequency of emission (MHz) Field strength(μV/m) Field strength(dBμV/m) 0.009–0.490 2400/F(kHz) / 0.490–1.705 24000/F(kHz) / 1.705–30.0 30 / 30-88 100 40 88-216 150 43.5 216-960 200 46 Above960 500 54 RF Test Report Report No.: EFTA25040242-IE-08-R2 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-04-006R Page 77 of 246 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Measurement Uncertainty The assessed measurement uncertainty to ensure 95% confidence level for the normal distribution is with the coverage factor k = 1.96. Frequency Uncertainty 9kHz-30MHz 3.55 dB 30MHz-200MHz 4.17 dB 200MHz-1GHz 4.84 dB 1-18GHz 4.35 dB 18-26.5GHz 5.90 dB 26.5GHz~40GHz 5.92 dB RF Test Report Report No.: EFTA25040242-IE-08-R2 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-04-006R Page 78 of 246 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Test Results: The following graphs display the maximum values of horizontal and vertical by software. Blue trace uses the peak detection, Green trace uses the average detection. The radiated emission was measured in the following position: EUT stand-up position (Z axis), lie-down position (X, Y axis). The worst emission was found in stand-up position (Z axis) and the loop antenna is vertical, the others are vertical and horizontal. and the worst case was recorded. A symbol ( ) in the test plot below means (dBμV/m) PKM8721DAF-C13-F10: The signal beyond the limit is carrier. 802.11a-Channel 36: Peak + Average 0 10 20 30 40 50 60 70 80 90 100 110 120 5100 5110 5120 5130 5140 5150 5160 5170 5180 5190 Level in dBV/ Frequency in MHz BAND EDGE FCC 5G PK BAND EDGE FCC 5G AV 5.149882500 GHz 61.288 dBV/ 5.149882500 GHz 43.430 dBV/ 802.11a-Channel 48: Peak + Average 0 10 20 30 40 50 60 70 80 90 100 110 120 52305250 5300 5350 5400 5460 Level in dBV/ Frequency in MHz BAND EDGE FCC 5G PK 5.36018000…

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