2AWVRKCN202007Advertisement machine

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External Photos M/N: DSD2150A External Photos M/N: DSD2150A External Photos M/N: DSD2150A External Photos M/N: DSD2150A Bluetooth BLE/Wi-Fi Antenna External Photos M/N: DSD2150A

Product Name: Advertisement Machine 1. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. FCC ID:2AWVRKCN202007 Contains FCC ID: XMR201808EC25AF Product Name: Advertisement Machine FCC ID:2AWVRKCN202007 1. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. Contains FCC ID: XMR201808EC25AF

Label Location

Internal Photos M/N: DSD2150A Internal Photos M/N: DSD2150A Internal Photos M/N: DSD2150A Internal Photos M/N: DSD2150A Internal Photos M/N: DSD2150A Internal Photos M/N: DSD2150A Internal Photos M/N: DSD2150A Internal Photos M/N: DSD2150A Bluetooth BLE/ Wi-Fi Antenna Connector

FCC ID: 2AWVRKCN202007 EST Technology Co. ,Ltd Report No. ESTE-R2007138 Page 1 of 5 FCC 47 CFR MPE REPORT KERCHAN TECHNOLOGY CO.,LIMITED Advertisement machine Model Number: DSD2150A Additional Model: DSD2150AF, DSD2150A-Pro, DSD2150AF-Pro, DSD2150AF-UVC, DSD2150D, DSD2150A-CW, DSD2150AF-C W, DSD2150DF, DSD1160D, DSD1160A, DSD1160A-Pro, DSD1160A-CW FCC ID: 2AWVRKCN202007 Prepared for: KERCHAN TECHNOLOGY CO.,LIMITED 7th Floor, Building F, Fusen Commercial Center, Hangcheng Road, Bao'an District, Shenzhen, Guangdong, China Prepared By: EST Technology Co., Ltd. Chilingxiang, Qishantou, Santun, Houjie, Dongguan, Guangdong, China Tel: 86-769-83081888-808 Report Number: ESTE-R2007138 Date of Test: Jul. 02~18, 2020 Date of Report: Jul. 21, 2020 FCC ID: 2AWVRKCN202007 EST Technology Co. ,Ltd Report No. ESTE-R2007138 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: 2AWVRKCN202007 EST Technology Co. ,Ltd Report No. ESTE-R2007138 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: 2AWVRKCN202007 EST Technology Co. ,Ltd Report No. ESTE-R2007138 Page 4 of 5 2. Conducted Power Result Mode Frequency (MHz) Peak output power (dBm) Peak output power (mW) Target power （dBm） Antenna gain (dBi) (Linear) GFSK 2402 8.43 6.966 8±1 4.3 2.69 2441 8.35 6.839 8±1 4.3 2.69 2480 8.76 7.516 8±1 4.3 2.69 8- DPSK 2402 6.47 4.436 6±1 4.3 2.69 2441 6.90 4.898 6±1 4.3 2.69 2480 5.98 3.963 5±1 4.3 2.69 BLE 2402 6.30 4.266 6±1 4.3 2.69 2440 6.59 4.560 6±1 4.3 2.69 2480 5.64 3.664 5±1 4.3 2.69 IEEE 802.11b 2412 18.40 69.183 18±1 4.3 2.69 2437 17.88 61.376 17±1 4.3 2.69 2462 17.47 55.847 17±1 4.3 2.69 IEEE 802.11g 2412 20.84 121.339 20±1 4.3 2.69 2437 20.25 105.925 20±1 4.3 2.69 2462 20.08 101.859 20±1 4.3 2.69 IEEE 802.11n HT20 2412 19.92 98.175 19±1 4.3 2.69 2437 19.55 90.157 19±1 4.3 2.69 2462 19.40 87.096 19±1 4.3 2.69 FCC ID: 2AWVRKCN202007 EST Technology Co. ,Ltd Report No. ESTE-R2007138 Page 5 of 5 3. Calculated Result and Limit Mode Target power （dBm） Antenna gain Power Density (S) (mW /cm2) Limited of Power Density (S) (mW /cm2) Test Result (dBi) (Linear) GFSK 9 4.3 2.69 0.00425 1 Compiles 8- DPSK 7 4.3 2.69 0.00268 1 Compiles BLE 7 4.3 2.69 0.00268 1 Compiles IEEE 802.11b 19 4.3 2.69 0.04253 1 Compiles IEEE 802.11g 21 4.3 2.69 0.06741 1 Compiles IEEE 802.11n HT20 20 4.3 2.69 0.05355 1 Compiles End of Test Report

FCC ID: 2AWVRKCN202007 EST Technology Co., Ltd Report No. ESTE-R2007135 Page 1 of 81 FCC PART 15C TEST REPORT FOR CERTIFICATION On Behalf of KERCHAN TECHNOLOGY CO.,LIMITED Advertisement machine Model Number: DSD2150A Additional Model: DSD2150AF, DSD2150A-Pro, DSD2150AF-Pro, DSD2150AF-UVC, DSD2150D, DSD2150A-CW, DSD2150AF-CW, DSD2150DF, DSD1160D, DSD1160A, DSD1160A-Pro, DSD1160A-CW FCC ID: 2AWVRKCN202007 Prepared for: KERCHAN TECHNOLOGY CO.,LIMITED 7th Floor, Building F, Fusen Commercial Center, Hangcheng Road, Bao'an District, Shenzhen, Guangdong, China Prepared By: EST Technology Co., Ltd. Chilingxiang, Qishantou, Santun, Houjie, Dongguan, Guangdong, China Tel: 86-769-83081888-808 Report Number: ESTE-R2007135 Date of Test: Jul. 02~18, 2020 Date of Report: Jul. 21, 2020 FCC ID: 2AWVRKCN202007 EST Technology Co., Ltd Report No. ESTE-R2007135 Page 2 of 81 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 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. Channel List ................................................................................................................................... 10 2.8. Power Setting of Test Software ...................................................................................................... 10 2.9. Test Equipmen ................................................................................................................................ 11 3. MAXIMUM PEAK OUTPUT POWER ................................................................................................. 12 3.1. Limit ............................................................................................................................................... 12 3.2. Test Setup ....................................................................................................................................... 12 3.3. Spectrum Analyzer Setting ............................................................................................................. 12 3.4. Test Procedure ................................................................................................................................ 12 3.5. Test Result ...................................................................................................................................... 13 4. 20 DB BANDWIDTH ....................................................................................................................... 18 4.1. Limit ............................................................................................................................................... 18 4.2. Test Setup ....................................................................................................................................... 18 4.3. Spectrum Analyzer Setting ............................................................................................................. 18 4.4. Test Procedure ................................................................................................................................ 18 4.5. Test Result ...................................................................................................................................... 19 5. CARRIER FREQUENCY SEPARATION .............................................................................................. 24 5.1. Limit ............................................................................................................................................... 24 5.2. Test Setup ....................................................................................................................................... 24 5.3. Spectrum Analyzer Setting ............................................................................................................. 24 5.4. Test Procedure ................................................................................................................................ 24 5.5. Test Result ...................................................................................................................................... 25 6. NUMBER OF HOPPING CHANNEL .................................................................................................. 30 6.1. Limi t ............................................................................................................................................... 30 6.2. Test Setup ..................................…

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Conducted Test Radiated Test (30-1000 MHz) Radiated Test (Above 1GHz)