2BVW5-LN882H-CBULN882H-CBU

LN882H-CBU Module Specification Document version:20240514 catalogue Catalogue 1 Product Overview 2 1.1 characteristic ..................................................................................................................................... 2 1.2 application area ................................................................................................................................. 2 1.3 Update Note ..................................................................................................................................... 3 2 Module Interface 4 2.1 Dimension Packaging .................................................................................................................... 4 2.2 Pin Definition ................................................................................................................................. 4 3 Electrical Parameters 7 3.1 Absolute Electrical Parameters .................................................................................................... 7 3.2 normal running conditions ............................................................................................................ 7 3.3 Radio frequency power consumption ............................................................................................ 7 3.4 Working Current ............................................................................................................................. 8 4 Radio Frequency Parameters 9 4.1 Basic Radio Frequency Characteristics ....................................................................................... 9 4.2 Wi-Fi transmission performance .................................................................................................... 9 4.3 Wi-Fi reception performance ........................................................................................................ 10 4.4 Bluetooth transmission performance ....................................................................................... 10 4.5 Bluetooth reception performance ................................................................................................ 10 5 Antenna Information 12 5.1 Antenna type .................................................................................................................................. 12 5 .2 Reduce antenna interference ........................................................................................................ 12 6 Packaging Information and Production Guidelines 13 6.1 Mechanical Dimension ................................................................................................................ 13 6.2 Recommended WL2H-U package ................................................................................................ 16 6.3 Production Guide ......................................................................................................................... 17 6.4 Recommended furnace temperature curve ............................................................................... 18 catalogue 1 / 20 LN882H-CBU is a low-power embedded Wi-Fi module. It consists of a highly integrated wireless RF chip LN8 82H and a few peripheral components, supporting both AP and STA dual-role connections, as well as low-power Bluetooth connectivity. 1 Product Overview 2/ 20 1 Product Overview LN882H-CBU features an 32-bit MCU with an internal operating frequency up to 160 MHz, along with 128 KB ROM and 296 KB RAM. The MCU is specifically designed with signal processing extension instructions, enabling efficient audio encoding and decoding. It offers a rich array of peripherals, including PWM,UART, and SPI. Up to five 32-bit PWM outputs make the chip highly suitable for high-quality LED control. 1.1 Characteristic • Built-in low-power 32-bit CPU that also serves as an application processor • The clock frequency supports 160 MHz • Operating voltage:3.0V~3.6V • Peripherals:5×PWM, 2×UART, 1×SPI •Wi-Fi Connectivity –802.11 b/g/n –[email protected] –SupportsWEP, WPA/WPA2, WPA/WPA2 PSK(AES), and WPA3 security modes –Maximum output powerof+18 dBm under the802.11b mode –Supports STA/AP/STA+APoperating modes –Supports both SmartCon andAPdistribution network configurations(including Android and iOS devices) –Board-mounted PCB antenna –Operating temperature: -40°C to105°C – Board-mounted PCB •Bluetooth Connectivity –Bluetooth mode supports a transmission powerof1dBm –Complete Bluetooth coexistence interface antenna 1.2 Application Area • Smart Building • Smart Home/Home Appliances • Smart socket, smart light • Industrial Wireless Control • Infant surveillance camera 1 Product Overview 3 / 20 • web camera • Intelligent Public Transport 1.3 Update Note Date updated Update Content Updated version V1.0.0 New document 2024-05-14 2 Module Interface 4/ 20 2 Module Interface 2.1 Dimension Packaging LN882H-CBU dimensions: 15.8±0.35mm (W) × 20.3±0.35mm (L) × 2.5±0. 15mm (H).The dimensions are shown below: 2.2 Pin Definition 2 Module Interface 5 / 20 Pin number Symbol IO Type Function 1 GPIOA5 I/O The regular GPIO can be reused as SPI_SCK(corr- esponding to Pin 13 of the IC) 2 GPIOA6 I/O The regular GPIO can be reused as SPI_MOSI(corr- esponding to Pin 14 of the IC) 3 GPIOA4 I/O Ordinary GPIO (corre- sponding to IC's Pin 12 ) 4 GPIOA1 I/O Ordinary GPIO (corre- sponding to IC's Pin 9) 5 G P I O A0 I/O ADC port,corresponding to IC's GPIOA0 (corre- sponding to IC' s Pin 8) 6 GP IO B8 I/O UART_RX1,corresponds to IC's GPIOB8 (corre- sponds to IC' s Pin 29) 7 GP IO B9 I/O UART_TX1,print log port,corresponding to IC's GPIOB9 (corres- ponding to IC' s Pin 30) 8 GPIOA7 I/O Support s hardwar e P WM(cor- responding to IC's Pin 15) 9 GPIOA10 I/O Support s hardwar e P WM(cor- responding to IC's Pin 21) 10 GPIOA11 I/O Support s hardwar e P WM(cor- responding to IC's Pin 22) 11 GPIOA12 I/O Support s hardwar e P WM(cor- responding to IC's Pin 23) 12 GPIOB3 I/O Support s hardwar e P WM(cor- responding …

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DNT2604141465R02738-P01Page: 1 of 1 PHOTOGRAPHSOFEUT FCCID:2BVW5-LN882H-CBU InternalPhotos InternalPhotos --END--

DNT2604141465R02738-P01Page: 1 of 3 PHOTOGRAPHSOFEUT FCCID:2BVW5-LN882H-CBU AntennaTerminalTestView DNT2604141465R02738-P01Page: 2 of 3 ConductedEmissionTestView RadiatedEmissionTestView|(Below1G) DNT2604141465R02738-P01Page: 3 of 3 RadiatedEmissionTestView|(Above1G) RadiatedEmissionTestView|(Above1G) --END--

Report No.: DNT2604141465R02738-03978Date：April 28, 2026Page：48 / 59 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] Test Graphs 11B-Ant1-2412-PASS 11B-Ant1-2462-PASS 11G-Ant1-2412-PASS Report No.: DNT2604141465R02738-03978Date：April 28, 2026Page：49 / 59 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] 11G-Ant1-2462-PASS 11N20SISO-Ant1-2412-PASS 11N20SISO-Ant1-2462-PASS Report No.: DNT2604141465R02738-03978Date：April 28, 2026Page：50 / 59 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] Appendix F: Conducted Spurious Emission Test Result TestModeAntennaFrequency[MHz] FreqRange [Mhz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict 11BAnt124120~Reference4.534.53---PASS 11BAnt1241230~10004.53-51.79≤-15.47PASS 11BAnt124121000~265004.53-49.03≤-15.47PASS 11BAnt124370~Reference5.425.42---PASS 11BAnt1243730~10005.42-51.86≤-14.58PASS 11BAnt124371000~265005.42-43.54≤-14.58PASS 11BAnt124620~Reference4.664.66---PASS 11BAnt1246230~10004.66-52.08≤-15.34PASS 11BAnt124621000~265004.66-44.96≤-15.34PASS 11GAnt124120~Reference-3.51-3.51---PASS 11GAnt1241230~1000-3.51-47.61≤-23.51PASS 11GAnt124121000~26500-3.51-50.08≤-23.51PASS 11GAnt124370~Reference-2.54-2.54---PASS 11GAnt1243730~1000-2.54-48.51≤-22.54PASS 11GAnt124371000~26500-2.54-49.31≤-22.54PASS 11GAnt124620~Reference-0.78-0.78---PASS 11GAnt1246230~1000-0.78-44.75≤-20.78PASS 11GAnt124621000~26500-0.78-49.12≤-20.78PASS 11N20SISOAnt124120~Reference-1.92-1.92---PASS 11N20SISOAnt1241230~1000-1.92-47.34≤-21.92PASS 11N20SISOAnt124121000~26500-1.92-49.39≤-21.92PASS 11N20SISOAnt124370~Reference-1.84-1.84---PASS 11N20SISOAnt1243730~1000-1.84-46.48≤-21.84PASS 11N20SISOAnt124371000~26500-1.84-49.3≤-21.84PASS 11N20SISOAnt124620~Reference-3.73-3.73---PASS 11N20SISOAnt1246230~1000-3.73-46.55≤-23.73PASS 11N20SISOAnt124621000~26500-3.73-48.65≤-23.73PASS Report No.: DNT2604141465R02738-03978Date：April 28, 2026Page：51 / 59 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] Test Graphs 11B-Ant1-2412-0~Reference-PASS 11B-Ant1-2412-30~1000-PASS 11B-Ant1-2412-1000~26500-PASS Report No.: DNT2604141465R02738-03978Date：April 28, 2026Page：52 / 59 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] 11B-Ant1-2437-0~Reference-PASS 11B-Ant1-2437-30~1000-PASS 11B-Ant1-2437-1000~26500-PASS Report No.: DNT2604141465R02738-03978Date：April 28, 2026Page：53 / 59 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] 11B-Ant1-2462-0~Reference-PASS 11B-Ant1-2462-30~1000-PASS 11B-Ant1-2462-1000~26500-PASS Report No.: DNT2604141465R02738-03978Date：April 28, 2026Page：54 / 59 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] 11G-Ant1-2412-0~Reference-PASS 11G-Ant1-2412-30~1000-PASS 11G-Ant1-2412-1000~26500-PASS Report No.: DNT2604141465R02738-03978Date：April 28, 2026Page：55 / 59 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] 11G-Ant1-2437-0~Reference-PASS 11G-Ant1-2437-30~1000-PASS 11G-Ant1-2437-1000~26500-PASS Report No.: DNT2604141465R02738-03978Date：April 28, 2026Page：56 / 59 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] 11G-Ant1-2462-0~Reference-PASS 11G-Ant1-2462-30~1000-PASS 11G-Ant1-2462-1000~26500-PASS Report No.: DNT2604141465R02738-03978Date：April 28, 2026Page：57 / 59 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] 11N20SISO-Ant1-2412-0~Reference-PASS 11N20SISO-Ant1-2412-30~1000-PASS 11N20SISO-Ant1-2412-1000~26500-PASS Report No.: DNT2604141465R02738-03978Date：April 28, 2026Page：58 / 59 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] 11N20SISO-Ant1-2437-0~Reference-PASS 11N20SISO-Ant1-2437-30~1000-PASS 11N20SISO-Ant1-2437-1000~26500-PASS Report No.: DNT2604141465R02738-03978Date：April 28, 2026Page：59 / 59 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] 11N20SISO-Ant1-2462-0~Reference-PASS 11N20SISO-Ant1-2462-30~1000-PASS 11N20SISO-Ant1-2462-1000~26500-PASS The End Report

Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] FCC Test Report Application No.: DNT2604141465R02738-03978 Applicant: Shanghai Lightningsemi Technology Co., Ltd. Address of Applicant: Floor 5, Building 6, No. 9, Lane 1670, XiuYan road, ISPACE KanggiaoIntelligent Manufacturing Industrial Park, Pudong district, Shanghai EUT Description: LN882H-CBU Model No.: LN882H-CBU FCC ID: 2BVW5-LN882H-CBU Power Supply: DC 3.3V Trade Mark: / Standards: 47 CFR Part 2, Subpart J 47 CFR Part 15, Subpart C ANSI C63.10: 2020 Date of Receipt: 2026/04/14 Date of Test: 2026/04/15 to 2026/04/28 Date of Issue: 2026/04/28 Test Result:PASS Prepared By:(Testing Engineer) Reviewed By:(Project Engineer) Approved By:(Manager) Note: If there is any objection to the results in this report, please submit a written inquiry to the company within 15 days from the date of receiving the report. The test report is effective only with both signature and specialized stamp, and is issued by the company in accordance with the requirements of the "Conditions of Issuance of Test Reports" printed in the attached page. Unless otherwise stated, the results presented in this report only apply to the samples tested this time. Partial reproduction of this report is not allowed unless approved by the company in writing. Report No.: DNT2604141465R02738-03978Date：April 28, 2026Page： 2 / 59 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] Report Revise Record Report VersionRevise TimeIssued DateValid VersionNotes V1.0/April 28, 2026ValidOriginal Report Report No.: DNT2604141465R02738-03978Date：April 28, 2026Page：3 / 59 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] 1 Test Summary Test ItemTest RequirementTest MethodTest ResultResult Antenna Requirement 15.203/247(b)--Clause 3.1PASS Duty Cycle----Clause 3.2PASS DTS (6 dB) Bandwidth15.247 (a)(2)ANSI C63.10: 2020Clause 3.3PASS Conducted Output Power15.247 (b)(3)ANSI C63.10: 2020Clause 3.4PASS Power Spectral Density15.247 (e)ANSI C63.10: 2020Clause 3.5PASS Band-edge for RF Conducted Emissions 15.247(d)ANSI C63.10: 2020Clause 3.6PASS RF Conducted Spurious Emissions 15.247(d)ANSI C63.10: 2020Clause 3.7PASS Radiated Spurious Emissions15.247(d);15.205/15.209ANSI C63.10: 2020Clause 3.8PASS Restricted bands around fundamental frequency (Radiated Emission) 15.247(d);15.205/15.209ANSI C63.10: 2020Clause 3.9PASS AC Power Line Conducted Emission 15.207ANSI C63.10: 2020Clause 3.10PASS Note: 1. “N/A” denotes test is not applicable in this test report. Report No.: DNT2604141465R02738-03978Date：April 28, 2026Page：4 / 59 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] Contents 1 Test Summary..................................................................................................................................................................3 2 General Information..........................................................................................................................................................5 2.1 Test Location..........................................................................................................................................................5 2.2 General Description of EUT...................................................................................................................................6 2.3 Channel List........................................................................................................................................................... 7 2.4 Test Environment and Mode..................................................................................................................................7 2.5 Power Setting of Test Software............................................................................................................................. 7 2.6 Description of Support Units.................................................................................................................................. 7 2.7 Test Facility............................................................................................................................................................8 2.8 Measurement Uncertainty (95% confidence levels, k=2)...................................................................................... 8 2.9 Equipment List....................................................................................................................................................... 9 2.10 Assistant equipment used for test......................................................................................................................10 3 Test results and Measurement Data..............................................................................................................................11 3.1 Antenna Requirement..........................................................................................................................................11 3.2 Duty Cycle............................................................................................................................................................12 3.3 DTS (6 dB) Bandwidth......................................................................................................................................... 13 3.4 Maximum conducted (average…

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Report No.: DNT2604141465R02738-03976Date：April 28, 2026Page： 49 / 54 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] Test Graphs BLE_1M-Ant1-2402-0~Reference-PASS BLE_1M-Ant1-2402-30~1000-PASS BLE_1M-Ant1-2402-1000~26500-PASS Report No.: DNT2604141465R02738-03976Date：April 28, 2026Page： 50 / 54 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] BLE_1M-Ant1-2440-0~Reference-PASS BLE_1M-Ant1-2440-30~1000-PASS BLE_1M-Ant1-2440-1000~26500-PASS Report No.: DNT2604141465R02738-03976Date：April 28, 2026Page： 51 / 54 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] BLE_1M-Ant1-2480-0~Reference-PASS BLE_1M-Ant1-2480-30~1000-PASS BLE_1M-Ant1-2480-1000~26500-PASS Report No.: DNT2604141465R02738-03976Date：April 28, 2026Page： 52 / 54 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] BLE_2M-Ant1-2402-0~Reference-PASS BLE_2M-Ant1-2402-30~1000-PASS BLE_2M-Ant1-2402-1000~26500-PASS Report No.: DNT2604141465R02738-03976Date：April 28, 2026Page： 53 / 54 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] BLE_2M-Ant1-2440-0~Reference-PASS BLE_2M-Ant1-2440-30~1000-PASS BLE_2M-Ant1-2440-1000~26500-PASS Report No.: DNT2604141465R02738-03976Date：April 28, 2026Page： 54 / 54 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] BLE_2M-Ant1-2480-0~Reference-PASS BLE_2M-Ant1-2480-30~1000-PASS BLE_2M-Ant1-2480-1000~26500-PASS The End Report

Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] FCC Test Report Application No.: DNT2604141465R02738-03976 Applicant: Shanghai Lightningsemi Technology Co., Ltd. Address of Applicant: Floor 5, Building 6, No. 9, Lane 1670, XiuYan road, ISPACE KanggiaoIntelligent Manufacturing Industrial Park, Pudong district, Shanghai EUT Description: LN882H-CBU Model No.: LN882H-CBU FCC ID: 2BVW5-LN882H-CBU Power Supply: DC 3.3V Trade Mark: / Standards: 47 CFR Part 2, Subpart J 47 CFR Part 15, Subpart C ANSI C63.10: 2020 Date of Receipt: 2026/04/14 Date of Test: 2026/04/15 to 2026/04/28 Date of Issue: 2026/04/28 Test Result:PASS Prepared By:(Testing Engineer) Reviewed By:(Project Engineer) Approved By:(Manager) Note: If there is any objection to the results in this report, please submit a written inquiry to the company within 15 days from the date of receiving the report. The test report is effective only with both signature and specialized stamp, and is issued by the company in accordance with the requirements of the "Conditions of Issuance of Test Reports" printed in the attached page. Unless otherwise stated, the results presented in this report only apply to the samples tested this time. Partial reproduction of this report is not allowed unless approved by the company in writing. Report No.: DNT2604141465R02738-03976Date：April 28, 2026Page： 2 / 54 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] Report Revise Record Report VersionRevise TimeIssued DateValid VersionNotes V1.0/April 28, 2026ValidOriginal Report Report No.: DNT2604141465R02738-03976Date：April 28, 2026Page： 3 / 54 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] 1 Test Summary Test ItemTest RequirementTest MethodTest ResultResult Antenna Requirement 15.203/247(b/c)--Clause 3.1PASS Duty Cycle----Clause 3.2PASS DTS (6 dB) Bandwidth15.247 (a)(2)ANSI C63.10: 2020Clause 3.3PASS Conducted Output Power15.247 (b)(3)ANSI C63.10: 2020Clause 3.4PASS Power Spectral Density15.247 (e)ANSI C63.10: 2020Clause 3.5PASS Band-edge for RF Conducted Emissions 15.247(d)ANSI C63.10: 2020Clause 3.6PASS RF Conducted Spurious Emissions 15.247(d)ANSI C63.10: 2020Clause 3.7PASS Radiated Spurious Emissions15.247(d);15.205/15.209ANSI C63.10: 2020Clause 3.8PASS Restricted bands around fundamental frequency (Radiated Emission) 15.247(d);15.205/15.209ANSI C63.10: 2020Clause 3.9PASS AC Power Line Conducted Emission 15.207ANSI C63.10: 2020Clause 3.10PASS Note: 1. “N/A” denotes test is not applicable in this test report. Report No.: DNT2604141465R02738-03976Date：April 28, 2026Page： 4 / 54 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] Contents 1 Test Summary..................................................................................................................................................................3 2 General Information..........................................................................................................................................................5 2.1 Test Location..........................................................................................................................................................5 2.2 General Description of EUT...................................................................................................................................5 2.3 Test Environment...................................................................................................................................................6 2.4 Channel List........................................................................................................................................................... 6 2.5 Power Setting of Test Software............................................................................................................................. 7 2.6 Assistant equipment used for test..........................................................................................................................7 2.7 Description of Support Units.................................................................................................................................. 7 2.8 Test Facility............................................................................................................................................................7 2.9 Equipment List....................................................................................................................................................... 8 2.10 Measurement Uncertainty (95% confidence levels, k=2).................................................................................. 10 3 Test results and Measurement Data..............................................................................................................................11 3.1 Antenna Requirement..........................................................................................................................................11 3.2 Duty Cycle............................................................................................................................................................12 3.3 DTS (6 dB) Bandwidth......................................................................................................................................... 13 3.4 Conducted Outp…

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ANTENNASPECIFICATION Summary ITEM ANTSPEC ModelName2.4GANT Antennaplate PCBantenna Center Frequency HorizontalVertical 2400MHz2450MHz2500MHz2400MHz2450MHz2500MHz -1.66-0.840-6.16-3.65-2.21 MAX.Gain0 PolarizationHorizontalandVertical Impedance50Ohm Manufacturer:ShanghaiLightningsemiTechnologyCo.,Ltd. Addressof Manufacturer: Floor5,Building6,No.9,Lane1670,XiuYanroad,ISPACE KanggiaoIntelligentManufacturingIndustrialPark,Pudongdistrict, Shanghai AntennaPhoto Horizontal:2400MHz2450MHz2500MHz Power(dBm) Max:0Min:-40Scale:5/div Frequency Gain(dBi) (MHz) Max. Min Avg. 2400-1.66179-30.2813-8.78713 2450-0.847811-38.7595-7.87812 2500-0.000000-23.6329-6.99139 Vertical:2400MHz2450MHz2500MHz Power(dBm) Max:0Min:-30Scale:5/div Frequency Gain(dBi) (MHz) Max. Min Avg. 2400-6.1623-23.1425-12.5295 2450-3.6534-26.2866-10.6699 2500-2.21101-29.4381-9.58526

DongguanDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Web:www.dn-testing.comTel:+86-769-88087383E-mail:[email protected] RFExposureEvaluationReport ApplicationNo.: DNT2604141465R02738-03974 Applicant: ShanghaiLightningsemiTechnologyCo.,Ltd. AddressofApplicant: Floor5,Building6,No.9,Lane1670,XiuYanroad,ISPACE KanggiaoIntelligentManufacturingIndustrialPark,Pudongdistrict, Shanghai EUTDescription: LN882H-CBU ModelNo.: LN882H-CBU FCCID: 2BVW5-LN882H-CBU Powersupply DC3.3V TradeMark: / Standards: 47CFRPart2.1091 FCCKDB447498D01v06 DateofReceipt: 2026/04/14 DateofTest: 2026/04/15to2026/04/28 DateofIssue: 2026/04/28 TestResult: PASS PreparedBy:(TestingEngineer) ReviewedBy:(ProjectEngineer) ApprovedBy:(Manager) Note:Ifthereisanyobjectiontotheresultsinthisreport,pleasesubmitawritteninquirytothecompanywithin15daysfromthedateof receivingthereport.Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,andisissuedbythecompanyinaccordance withtherequirementsofthe"ConditionsofIssuanceofTestReports"printedintheattachedpage.Unlessotherwisestated,theresults presentedinthisreportonlyapplytothesamplestestedthistime.Partialreproductionofthisreportisnotallowedunlessapprovedbythe companyinwriting. ReportNo.:DNT2604141465R02738-03974Date：April28,2026Page： 2 / 6 DongguanDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Web:www.dn-testing.comTel:+86-769-88087383E-mail:[email protected] ReportReviseRecord ReportVersionReviseTimeIssuedDateValidVersionNotes V1.0/April28,2026ValidOriginalReport ReportNo.:DNT2604141465R02738-03974Date：April28,2026Page： 3 / 6 DongguanDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Web:www.dn-testing.comTel:+86-769-88087383E-mail:[email protected] Contents 1GENERALINFORMATION.......................................................................................................................4 1.1TESTLOCATION..................................................................................................................................4 1.2GENERALDESCRIPTIONOFEUT.........................................................................................................4 2RFEXPOSUREEVLUATION...................................................................................................................5 2.1RFEXPOSURECOMPLIANCEREQUIREMENT.....................…

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