RF Exposure Report

FCC ID: ZBCWD-241B

RF Exposure Info

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FCCID_4501140

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZEM190801731502 Page: 1 of 9 1 COVER PAGE Human Exposure Report Application No.: SZEM1908017315CR Applicant: SHENZHEN DNS INDUSTRIES CO., LTD. Address of Applicant: 23/F Building A, Shenzhen International Innovation Center, No.1006 Shennan Road, Futian, shenzhen, 518026 China Manufacturer: SHENZHEN DNS INDUSTRIES CO., LTD. Address of Manufacturer: 23/F Building A, Shenzhen International Innovation Center, No.1006 Shennan Road, Futian, Shenzhen, China Factory: HUIZHOU D&S CABLE CO., LTD. Address of Factory: LONGJIN DONGJIANG INDUSTRY ZONE, SHUIKOU, HUICHENG, HUIZHOU, GUANGDONG, CHINA Equipment Under Test (EUT): EUT Name: WIRELESS CHARGER Model No.: WD-241B, CRC#2046770 ♣ ♣ Please refer to section 3.2 of this report which indicates which model was actually tested and which were electrically identical. Trade mark: DNS, omars, mbest, power zone, NOVOO FCC ID: ZBCWD-241B Standards: 47 CFR PART 1, Subpart I, Section 1.1310 47 CFR PART 2, Subpart J, Section 2.1091 Date of Receipt: 2019-08-09 Date of Test: 2019-08-14 to 2019-09-27 Date of Issue: 2019-10-08 Test Result : Pass* * In the configuration tested, the EUT complied with the standards specified above Keny Xu EMC Laboratory Manager

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZEM190801731502 Page: 2 of 9 Revision Record Version Chapter Date Modifier Remark 01 2019-10-08 Original Authorized for issue by: Peter Geng /Project Engineer Eric Fu /Reviewer

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZEM190801731502 Page: 3 of 9 2 Contents 1 COVER PAGE ..................................................................................................................................... 1 2 CONTENTS ......................................................................................................................................... 3 3 GENERAL INFORMATION .................................................................................................................. 4 3.1 DETAILS OF E.U.T. ............................................................................................................................. 4 3.2 DESCRIPTION OF SUPPORT UNITS ........................................................................................................ 4 3.3 TEST LOCATION ................................................................................................................................. 5 3.4 TEST FACILITY.................................................................................................................................... 5 3.5 DEVIATION FROM STANDARDS .............................................................................................................. 5 3.6 ABNORMALITIES FROM STANDARD CONDITIONS...................................................................................... 5 4 EQUIPMENTS USED DURING TEST .................................................................................................. 6 5 TEST RESULTS .................................................................................................................................. 7 5.1 RF EXPOSURE TEST ........................................................................................................................... 7 5.1.1 E.U.T. Operation ...................................................................................................................... 7 6 PHOTOGRAPHS- RF EXPOSURE SETUP ......................................................................................... 9

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZEM190801731502 Page: 4 of 9 3 General Information 3.1 Details of E.U.T. Power supply: Input: DC 5V/2A, DC 9V/1.67A Output: DC 5V/1A, DC 9V/1.1A Operation frequency 111.54kHz-162.02kHz Modulation type: Load modulation Antenna type: Inductive loop coil antenna Remark: 1) Tests were conducted in both load modes and the worst case(10W) is reported only. 2) The device contains two inductive coils built-in, vertical and horizontal, tests were conducted in both condition and the worst case(vertical) is reported only. 3.2 Description of Support Units Description Manufacturer Model No. Serial No. Adapter Apple A1357 W010A051 REF. No.SEA0500 Adapter SAMSUNG EP-TA200 R37J8YA7W71DK3 Adapter(for radiated emission) LeTV EQ-24BCN 65201C44220 Micro USB Cable PHILIPS SWR2101 REF. No.SEA0700 SAMSUNG Galaxy S8 SAMSUNG SM-G9500 R28J9140LPB Declaration of EUT Family Grouping: Model No.: WD-241B, CRC#2046770 Only the model WD-241B was tested, since the electrical circuit design, layout, components used, internal wiring and functions were identical for the above models, with only difference on the model.

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZEM190801731502 Page: 5 of 9 3.3 Test Location All tests were performed at: SGS-CSTC Standards Technical Services Co., Ltd., Shenzhen Branch E&E Lab, No. 1 Workshop, M-10, Middle section, Science & Technology Park, Shenzhen, Guangdong,China 518057. Tel: +86 755 2601 2053 Fax: +86 755 2671 0594 No tests were sub-contracted. 3.4 Test Facility The test facility is recognized, certified, or accredited by the following organizations: • CNAS (No. CNAS L2929) CNAS has accredited SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch EMC Lab to ISO/IEC 17025:2005 General Requirements for the Competence of Testing and Calibration Laboratories (CNAS-CL01 Accreditation Criteria for the Competence of Testing and Calibration Laboratories) for the competence in the field of testing. • A2LA (Certificate No. 3816.01) SGS-CSTC Standards Technical Services Co., Ltd., Shenzhen EMC Laboratory is accredited by the American Association for Laboratory Accreditation(A2LA). Certificate No. 3816.01. • VCCI The 3m Fully-anechoic chamber for above 1GHz, 10m Semi-anechoic chamber for below 1GHz, Shielded Room for Mains Port Conducted Interference Measurement and Telecommunication Port Conducted Interference Measurement of SGS-CSTC Standards Technical Services Co., Ltd. have been registered in accordance with the Regulations for Voluntary Control Measures with Registration No.: G-20026, R-14188, C-12383 and T-11153 respectively. • FCC –Designation Number: CN1178 SGS-CSTC Standards Technical Services Co., Ltd., Shenzhen EMC Laboratory has been recognized as an accredited testing laboratory. Designation Number: CN1178. Test Firm Registration Number: 406779. • Innovation, Science and Economic Development Canada SGS-CSTC Standards Technical Services Co., Ltd., Shenzhen EMC Laboratory has been recognized by ISED as an accredited testing laboratory. CAB identifier: CN0006. IC#: 4620C. 3.5 Deviation from Standards None. 3.6 Abnormalities from Standard Conditions None.

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZEM190801731502 Page: 6 of 9 4 Equipments Used during Test Inventory Item Test Equipment Manufacturer Model No. Cal. Due date No. 1 Shielding Room SAEMC MSR733 SEM001-09 2020-05-09 Electric and Magnetic 2 Narda EHP-50F EMC092 2020-05-06 Field Analyzer

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZEM190801731502 Page: 7 of 9 5 Test Results 5.1 RF Exposure test Test Requirement: 47 CFR PART 1, Subpart I, Section 1.1310 Measurement Distance: 15cm Limit: Frequency range Electric field strength Magnetic field strength Power density Averaging time (MHz) (V/m) (A/m) (mW/cm2) (minutes) (A) Limits for Occupational/Controlled Exposures 0.3-3.0 614 1.63 *(100) 6 3.0-30 1842/f 4.89/f *(900/f 2) 6 30-300 61.4 0.163 1.0 6 300-1500 / / f/300 6 1500-100,000 / / 5 6 (B) Limits for General Population/Uncontrolled Exposure 0.3-1.34 614 1.63 *(100) 30 1.34-30 824/f 2.19/f *(180/f 2) 30 30-300 27.5 0.073 0.2 30 300-1500 / / f/1500 30 1500-100,000 / / 1.0 30 F=frequency in MHz *=Plane-wave equivalent power density RF exposure compliance will need to be determined with respect to 1.1307(c) and (d) of the FCC rules. The emissions should be within the limits at 300kHz in Table 1 of 1.1310(use the 300kHz limits for 150kHz:614V/m,1.63A/m). 5.1.1 E.U.T. Operation Operating Environment: Temperature: 24.0 °C Humidity: 52 % RH Atmospheric Pressure: 1015 mbar EUT Operation: This device has been tested with mobile phone at zero charge, intermediate charge, and full charge.

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZEM190801731502 Page: 8 of 9 5.1.2 Measurement Data Output Voltage=DC 9V; The max output power =10W Magnetic Field Emissions Operation Test Distance Test Position Probe Measure 50% Limit frequency Result (A/m) (cm) (A/m) Side 1 0.1138 0.815 Side 2 0.1882 0.815 141 kHz 15 Side 3 0.1264 0.815 Side 4 0.0659 0.815 Top 0.0983 0.815 Mobile phone has been charge at zero charge, intermediate charge, and full charge. Magnetic Field Emissions Operation Test Probe Measure Result(A/m) Test 50%Limit frequency Distance Position zero intermediate full charge charge charge (A/m) (cm) Side 1 0.1254 0.1133 0.0998 0.815 Side 2 0.1982 0.1836 0.1693 0.815 141 kHz 15 Side 3 0.1359 0.1415 0.1083 0.815 Side 4 0.0793 0.0637 0.0512 0.815 Top 0.1102 0.0986 0.0841 0.815

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZEM190801731502 Page: 9 of 9 6 Photographs- RF exposure setup - End of the Report -


Document Created: 2019-10-25 09:25:12
Document Modified: 2019-10-25 09:25:12
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