2AU3XBM-U2ebemate monitor U2

Dongguan Nanhao Technology Co.,Ltd. DA TE : 2022.06.24 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2AU3XBM-U2 Product Name: ebemate monitor U2 Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commissions rules, we hereby request that the following documents be held confidential: (List here the documents for which you are seeking confidentiality - for example ... ) • Schematics • Block diagram • Operation description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. <Signature> Name: n Yi Title: Director Company: Dongguan Nanhao Technology Co.,Ltd.

External photos M/N：BM-U2 External photos M/N：BM-U2 External photos M/N：BM-U2 External photos M/N：BM-U2

Internal photos M/N: BM-U2 Wi-Fi/ Bluetooth antenna Internal photos M/N: BM-U2

FCC ID: 2AU3XBM-U2 EST Technology Co. ,Ltd Report No. ESTE-R2206222 Page 1 of 5 FCC 47 CFR MPE REPORT Dongguan Nanhao Technology Co.,Ltd. ebemate monitor U2 Model Number: BM-U2 Additional Model: U2 FCC ID: 2AU3XBM-U2 Applicant: Dongguan Nanhao Technology Co.,Ltd. Address: Room 2104, Building 6, No.1 Huangjin Road, Nancheng District, Dongguan City, Guangdong Province, China Prepared By: EST Technology Co., Ltd. Chilingxiang, Qishantou, Santun, Houjie, Dongguan, Guangdong, China Tel: 86-769-83081888-808 Report Number: ESTE-R2206222 Date of Test: May. 20~Jun. 23, 2022 Date of Report: Jun. 24, 2022 FCC ID: 2AU3XBM-U2 EST Technology Co. ,Ltd Report No. ESTE-R2206222 Page 2 of 5 Maximum Permissible Exposure 1. Applicable Standards Systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess limit for maximum permissible exposure. In accordance with 47 CFR FCC Part 2 Subpart J, section 2.1091 this device has been defined as a mobile device whereby a distance of 0.2m normally can be maintained between the user and the device. 1.1. Limits for Maximum Permissible Exposure (MPE) (a) Limits for Occupational/Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) Averaging Times ︱E︱ 2 ,︱H︱ 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842/f 4.89/f (900/f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-10000 5 6 (b) Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) Averaging Times ︱E︱ 2 ,︱H︱ 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-10000 1.o 30 Note: f=frequency in MHz; *Plane-wave equivalent power density FCC ID: 2AU3XBM-U2 EST Technology Co. ,Ltd Report No. ESTE-R2206222 Page 3 of 5 1.2. MPE Calculation Method E (V/m) = d G×P×30 Power Density: Pd (W/m 2 ) = 377 E 2 E = Electric Field (V/m) P = Peak RF output Power (W) G = EUT Antenna numeric gain (numeric) d = Separation distance between radiator and human body (m) The formula can be changed to Pd = 2 d×377 G×P×30 From the peak EUT RF output power, the minimum mobile separation distance, d=0.2m, as well as the gain of the used antenna, the RF power density can be obtained FCC ID: 2AU3XBM-U2 EST Technology Co. ,Ltd Report No. ESTE-R2206222 Page 4 of 5 2. Conducted Power Result Mode Frequency (MHz) Peak output power (dBm) Peak output power (mW) BLE 2402 7.85 6.0954 2440 7.48 5.5976 2480 7.51 5.6364 IEEE802.11b 2412 18.81 76.0326 2437 21.54 142.5608 2462 21.49 140.9289 IEEE802.11g 2412 21.05 127.3503 2437 21.03 126.7652 2462 20.91 123.3105 IEEE802.11n HT20 2412 20.99 125.6030 2437 20.91 123.3105 2462 20.83 121.0598 IEEE802.11n HT40 2422 20.93 123.8797 2437 21.13 129.7179 2452 20.89 122.7439 FCC ID: 2AU3XBM-U2 EST Technology Co. ,Ltd Report No. ESTE-R2206222 Page 5 of 5 3. Calculated Result and Limit Mode Peak output power (dBm) Target power （dBm） MAX Target power （dBm） Antenna gain Power Density (S) (mW /cm2) Limited of Power Density (S) (mW /cm2) Test Result (dBi)(Linear) 2.4G Band BLE 7.85 7±1 8 3.6 2.2909 0.0029 1 Complies IEEE 802.11b 21.54 21±1 22 3.6 2.2909 0.0722 1 Complies IEEE 802.11g 21.05 21±1 22 3.6 2.2909 0.0722 1 Complies IEEE 802.11n HT2020.99 20±1 21 3.6 2.2909 0.0574 1 Complies IEEE 802.11n HT4021.13 21±1 22 3.6 2.2909 0.0722 1 Complies End of Test Report

FCC ID: 2AU3XBM-U2 EST Technology Co., Ltd Report No.ESTE-R2206220 Page 1 of 59 FCC PART 15C TEST REPORT FOR CERTIFICATION On Behalf of Dongguan Nanhao Technology Co.,Ltd. ebemate monitor U2 Model Number: BM-U2 Additional Model: U2 FCC ID: 2AU3XBM-U2 Applicant : Dongguan Nanhao Technology Co.,Ltd. Address: Room 2104, Building 6, No.1 Huangjin Road, Nancheng District, Dongguan City, Guangdong Province, China Prepared By: EST Technology Co., Ltd. Chilingxiang, Qishantou, Santun, Houjie, Dongguan, Guangdong, China Tel: 86-769-83081888-808 Report Number: ESTE-R2206220 Date of Test: May. 20~Jun. 23, 2022 Date of Report: Jun. 24, 2022 FCC ID: 2AU3XBM-U2 EST Technology Co., Ltd Report No.ESTE-R2206220 Page 2 of 59 TABLE OF CONTENTS Description Page TEST REPORT VERIFICATION......................................................................................................................... 3 1. GENERAL INFORMATION ................................................................................................................. 5 1.1. Description of Device (EUT) ........................................................................................................... 5 1.2. Antenna Information ........................................................................................................................ 5 1.3. Information of RF Cable .................................................................................................................. 5 2. SUMMARY OF TEST ......................................................................................................................... 6 2.1. Summary of test result ...................................................................................................................... 6 2.2. Test Facilities ................................................................................................................................... 7 2.3. Measurement uncertainty ................................................................................................................. 8 2.4. Assistant equipment used for test ..................................................................................................... 8 2.5. Block Diagram ................................................................................................................................. 8 2.6. Test Mode ......................................................................................................................................... 9 2.7. Power Setting of Test Software ........................................................................................................ 9 2.8. Duty Cycle ...................................................................................................................................... 10 2.9. Test Result ...................................................................................................................................... 10 2.10. Channel List ................................................................................................................................... 11 2.11. Test Equipment List ....................................................................................................................... 12 3. 6DB BANDWIDTH .......................................................................................................................... 13 3.1. Limit ............................................................................................................................................... 13 3.2. Test Setup ....................................................................................................................................... 13 3.3. Spectrum Analyzer Setting ............................................................................................................. 13 3.4. Test Procedure ................................................................................................................................ 13 3.5. Test Result ...................................................................................................................................... 13 4. MAXIMUM PEAK OUTPUT POWER ................................................................................................. 14 4.1. Limit ............................................................................................................................................... 14 4.2. Test Setup ....................................................................................................................................... 14 4.3. Spectrum Analyzer Setting ............................................................................................................. 14 4.4. Test Procedure ................................................................................................................................ 14 4.5. Test Result ...................................................................................................................................... 14 5. POWER SPECTRAL DENSITY .......................................................................................................... 15 5.1. Limit ............................................................................................................................................... 15 5.2. Test Setup ....................................................................................................................................... 15 5.3. Spectrum Analyzer Setting ............................................................................................................. 15 5.4. Test Procedure ................................................................................................................................ 15 5.5. Test Result ...................................................................................................................................... 15 6. CONDUCTED BAND EDGE ....…

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FCC ID: 2AU3XBM-U2 EST Technology Co., Ltd Report No. ESTE-R2206221 Page 1 of 79 FCC PART 15C TEST REPORT FOR CERTIFICATION On Behalf of Dongguan Nanhao Technology Co.,Ltd. ebemate monitor U2 Model Number: BM-U2 Additional Model: U2 FCC ID: 2AU3XBM-U2 Applicant : Dongguan Nanhao Technology Co.,Ltd. Address: Room 2104, Building 6, No.1 Huangjin Road, Nancheng District, Dongguan City, Guangdong Province, China Prepared By: EST Technology Co., Ltd. Chilingxiang, Qishantou, Santun, Houjie, Dongguan, Guangdong, China Tel: 86-769-83081888-808 Report Number: ESTE-R2206221 Date of Test: May. 20~Jun. 23, 2022 Date of Report: Jun. 24, 2022 FCC ID: 2AU3XBM-U2 EST Technology Co., Ltd Report No. ESTE-R2206221 Page 2 of 79 TABLE OF CONTENTS Description Page TEST REPORT VERIFICATION......................................................................................................................... 3 1. GENERAL INFORMATION ................................................................................................................. 5 1.1. Description of Device (EUT) ........................................................................................................... 5 1.2. Antenna Information ........................................................................................................................ 5 1.3. Information of RF Cable .................................................................................................................. 5 2. SUMMARY OF TEST ......................................................................................................................... 6 2.1. Summary of test result ...................................................................................................................... 6 2.2. Test Facilities ................................................................................................................................... 7 2.3. Measurement uncertainty ................................................................................................................. 8 2.4. Assistant equipment used for test ..................................................................................................... 8 2.5. Block Diagram ................................................................................................................................. 8 2.6. Test Mode ......................................................................................................................................... 9 2.7. Power Setting of Test Software ...................................................................................................... 10 2.8. Duty Cycle ...................................................................................................................................... 10 2.9. Channel List ................................................................................................................................... 11 2.10. Test Equipment List ....................................................................................................................... 12 3. 6DB BANDWIDTH .......................................................................................................................... 13 3.1. Limit ............................................................................................................................................... 13 3.2. Test Setup ....................................................................................................................................... 13 3.3. Spectrum Analyzer Setting ............................................................................................................. 13 3.4. Test Procedure ................................................................................................................................ 13 3.5. Test Result ...................................................................................................................................... 13 4. MAXIMUM PEAK OUTPUT POWER ................................................................................................. 14 4.1. Limit ............................................................................................................................................... 14 4.2. Test Setup ....................................................................................................................................... 14 4.3. Spectrum Analyzer Setting ............................................................................................................. 14 4.4. Test Procedure ................................................................................................................................ 14 4.5. Test Result ...................................................................................................................................... 14 5. POWER SPECTRAL DENSITY .......................................................................................................... 15 5.1. Limit ............................................................................................................................................... 15 5.2. Test Setup ....................................................................................................................................... 15 5.3. Spectrum Analyzer Setting ............................................................................................................. 15 5.4. Test Procedure ................................................................................................................................ 15 5.5. Test Result ...................................................................................................................................... 15 6. CONDUCTED BAND EDGE ............................................................................................................. 16 6.1. Limit ...................................…

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Radiated emission test: Below 1GHz Radiated emission test: Above 1GHz AC power conducted emission test: