
Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
7143-27GY/W57-CK Instruction Manual 1 x Cork Wireless Charging Pad 1 x Limestone Stand 1 x Instruction Manual Input: 5V/2A Wireless Output: 5W Using the Charging Stand: The cork wireless charging pad can be placed in the limestone stand for a upright charging surface. To use the charging stand in the upright position, simply thread the top of the charging pad through the bottom of the limestone stand. Place the USB cable along the cut out channel to the back of the stand, then place on the table. Wireless Charging Mobile phones and other electronic devices: Connect the USB cable of the charging pad to a power source. LED indicator (2) will glow RED when the device is in wireless charging standby. Place the wireless charging supported mobile device vertically on the wireless charging surface(1), LED will glow BLUE when device is charging. Phone will begin to charge automatically, wireless charging LED(3) will turn off when the device is fully charged. Once fully charged remove the device. Note: When wireless charging, if the LED a wireless charging device or there is an object between the device and charging surface interfering with the charging. process. 1. • • • 2. • • • • ** 1. 2. 3. 4. • • Wireless Charging Surface LED Indicator Limestone Stand USB cable What’s included: Functions: Instructions: WARNING-When using this product, basic precautions should always be followed: Read all the instructions before use. Never store or use this product in temperatures below 32°F(0°C) or above 115°F(45°C). Do not overcharge your phone. The unit may become hot under excessive use. Remove your phone once it is fully charged. Never charge your phone for more than 7 hours at a time. To reduce the risk of injury, close supervision is required when the product is used near children. Do not expose the device to moisture. Do not use the device in excess of its output rating. Overload outputs above the Do not use the device if damaged or Do not disassemble the device. For professional. incorrect reassembly may or temperatures above 104°F may cause explosion. use only identical replacement parts to ensure product safety. Attachments on the back of your phone can impede the effectiveness of the wireless charger, and lead to overheating. Please remove any attachments from the phone before charging on this device, attachments can interfer with wireless charging and lead to over heating. • 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. SAFETY PRECAUTIONS: 13. This product is made from cement. If drop, it may crack. Please handle with care.
Digiview Technology Limited 2021.03.16 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: CONFIDENTIALITY REQUEST FOR EUT NAME: 7143-27GY/W57-CK Trademark: N/A MODEL : 7143-27GY/W57-CK FCC ID: 2ADWN7143-27GY To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the - Block Diagram - Schematics - Operational Description required to be submitted with this application be permanently withheld from public review. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Please contact me if there is any information you may need. Sincerely, Client’s signature: Client’s name / title : Aaron Zhang /Manager Contact information / address: F3, Building B1, GaoXinJian Industrial Park, FuYuan 1st Road, HePing Vallage, FuYon ShenZhen, 518103 China
Digiview Technology Limited 2021.03.16 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Shenzhen BCTC Testing Co., Ltd to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Client’s signature: Client’s name / title : Aaron Zhang /Manager Contact information / address: F3, Building B1, GaoXinJian Industrial Park, FuYuan 1st Road, HePing Vallage, FuYon ShenZhen, 518103 China
External Photos
Size:40*20mm Label Location FCC ID: 2ADWN7143-27GY 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 interfer ence, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Internal Photos
No.:BCTC/RF-EMC-005 Page 1 of 26 Edition:A.3 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2101202209-1E Applicant: Digiview Technology Limited Product Name: 7143-27GY/W57-CK Model/Type Ref.: 7143-27GY/W57-CK Tested Date: 2021-01-14 to 2021-01-28 Issued Date: 2021-02-01 Report No.: BCTC2101202209-1E No.:BCTC/RF-EMC-005 Page 2 of 26 Edition:A.3 FCC ID: 2ADWN7143-27GY The test report is effective only with both signature and specialized stamp.This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen BCTC Testing Co., Ltd, this report can’t be reproduced except in full.The tested sample(s) and the sample information are provided by the client. Product Name: 7143-27GY/W57-CK Trademark: N/A Model/Type Ref.: 7143-27GY/W57-CK Prepared For: Digiview Technology Limited Address: F3, Building B1, GaoXinJian Industrial Park, FuYuan 1st Road, HePing Vallage, FuYon ShenZhen, 518103 China Manufacturer: Digiview Technology Limited Address: F3, Building B1, GaoXinJian Industrial Park, FuYuan 1st Road, HePing Vallage, FuYon ShenZhen, 518103 China Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Tangwei, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2021-01-14 Sample tested Date: 2021-01-14 to 2021-01-28 Issue Date: 2021-02-01 Report No.: BCTC2101202209-1E Test Standards FCC Part15.209 ANSI C63.10-2013 Test Results PASS Tested by: Approved by: Eric Yang/Project Handler Zero Zhou/Reviewer Report No.: BCTC2101202209-1E No.:BCTC/RF-EMC-005 Page 3 of 26 Edition:A.3 TABLE OF CONTENT Test Report Declaration Page 1. VERSION ............................................................ 4 2. TEST SUMMARY ..................................................... 5 3. MEASUREMENT UNCERTAINTY ....................................... 6 4. PRODUCT INFORMATION AND TEST SETUP............................ 7 4.1 Product Information ..................................................... 7 4.2 Test Setup Configuration ................................................ 7 4.3 Support Equipment ..................................................... 8 4.5 Test Mode ............................................................. 8 5. TEST FACILITY AND TEST INSTRUMENT USED ......................... 9 5.1 Test Facility ............................................................ 9 5.2 Test Instrument Used ................................................... 9 6. CONDUCTED EMISSIONS ............................................ 11 6.1 Block Diagram Of Test Setup ............................................ 11 6.2 Limit ................................................................. 11 6.3 Test procedure ........................................................ 11 6.4 EUT operating Conditions ............................................... 12 6.5 Test Result ........................................................... 13 7. RADIATED EMISSIONS .............................................. 15 7.1 Block Diagram Of Test Setup ............................................ 15 7.2 Limit ................................................................. 16 7.3 Test procedure ........................................................ 16 7.4 Test Result ........................................................... 18 8. BANDWIDTH TEST .................................................. 21 9. ANTENNA REQUIREMENTS .......................................... 22 10. EUT PHOTOGRAPHS ................................................ 23 11. EUT TEST SETUP PHOTOGRAPHS .................................... 24 (Note: N/A means not applicable) Report No.: BCTC2101202209-1E No.:BCTC/RF-EMC-005 Page 4 of 26 Edition:A.3 1. VERSION Report No. Issue Date Description Approved BCTC2101202209-1E 2021-02-01 Original Valid Report No.: BCTC2101202209-1E No.:BCTC/RF-EMC-005 Page 5 of 26 Edition:A.3 2. TEST SUMMARY The Product has been tested according to the following specifications: No. Test Parameter Clause No Results 1 Conducted Emission 15.207 PASS 2 Radiated Emission 15.209 PASS 3 20dB Bandwidth 15.215 PASS 4 Antenna Requirement 15.203 PASS Report No.: BCTC2101202209-1E No.:BCTC/RF-EMC-005 Page 6 of 26 Edition:A.3 3. MEASUREMENT UNCERTAINTY Where relevant, the following measurement uncertainty levels have been estimated for tests performed on the Product as specified in CISPR 16-4-2. This uncertainty represents an expanded uncertainty expressed at approximately the 95% confidence level using a coverage factor of k=2. No. Item Uncertainty 1 3m camber Radiated spurious emission(9kHz-30MHz) U=3.7dB 2 3m camber Radiated spurious emission(30MHz-1GHz) U=4.3dB 3 3m chamber Radiated spurious emission(1GHz-18GHz) U=4.5dB 4 Conducted Emission (150kHz-30MHz) U=3.2dB 5 humidity uncertainty U=5.3% 6 Temperature uncertainty U=0.59°C 7 Bandwidth 0.9% Report No.: BCTC2101202209-1E No.:BCTC/RF-EMC-005 Page 7 of 26 Edition:A.3 4. PRODUCT INFORMATION AND TEST SETUP 4.1 Product Information Model/Type Ref.: 7143-27GY/W57-CK Model differences: N/A Product Description: 7143-27GY/W57-CK Operation Frequency: 115kHz-220kHz Antenna installation: loop coil antenna Ratings: DC 5V/2A 4.2 Test Setup Configuration See test photographs attached in EUT TEST SETUP PHOTOGRAPHS for the actual connections between Product and support equipment. Conducted Emission/Radiated Spurious Emission: E-2 Dummy Load E-1 EUT C1 E-3 Adapter AC Report No.: BCTC2101202209-1E No.:BCTC/RF-EMC-005 Page 8 of 26 Edition:A.3 4.3 Support Equipment No. Device Type Brand Model Series No. Data Cable Remark E-1 7143-27GY/ W57-CK N/A 7143-27G Y/W57-CK N/A N/A EUT E-2 Dummy load N/A DL01 N/A N/A Auxiliary E-3 Adapter N/A BCTC-002 N/A N/A Auxiliary Notes: 1. All the equipment/cables were placed in the worst-case configuration to maximize the emission during the test. 2. Grounding was established in accordance with the manufacturer’s requirements and conditions for the intende…
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No.:BCTC/RF-EMC-005 Page 1 of 14 Edition:A.3 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2101202209-2E Applicant: Digiview Technology Limited Product Name: 7143-27GY/W57-CK Model/Type Ref.: 7143-27GY/W57-CK Tested Date: 2021-01-14 to 2021-01-28 Issued Date: 2021-02-01 Report No.: BCTC2101202209-2E No.:BCTC/RF-EMC-005 Page 2 of 14 Edition:A.3 FCC ID: 2ADWN7143-27GY The test report is effective only with both signature and specialized stamp.This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen BCTC Testing Co., Ltd, this report can’t be reproduced except in full.The tested sample(s) and the sample information are provided by the client. Product Name: 7143-27GY/W57-CK Trademark: N/A Model/Type Ref.: 7143-27GY/W57-CK Prepared For: Digiview Technology Limited Address: F3, Building B1, GaoXinJian Industrial Park, FuYuan 1st Road, HePing Vallage, FuYon ShenZhen, 518103 China Manufacturer: Digiview Technology Limited Address: F3, Building B1, GaoXinJian Industrial Park, FuYuan 1st Road, HePing Vallage, FuYon ShenZhen, 518103 China Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Tangwei, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2021-01-14 Sample tested Date: 2021-01-14 to 2021-01-28 Issue Date: 2021-02-01 Report No.: BCTC2101202209-2E Test Standards FCC CFR 47 part1, 1.1307(b), 1.1310 Test Results PASS Tested by: Approved by: Eric Yang/Project Handler Zero Zhou/Reviewer Report No.: BCTC2101202209-2E No.:BCTC/RF-EMC-005 Page 3 of 14 Edition:A.3 TABLE OF CONTENT Test Report Declaration Page 1. VERSION ............................................................ 4 2. PRODUCT INFORMATION ............................................. 5 2.1 Product Information ..................................................... 5 2.2 Support Equipment ..................................................... 5 2.3 Test Mode ............................................................. 5 3. TEST FACILITY AND TEST INSTRUMENT USED ......................... 6 3.1 Test Facility ............................................................ 6 3.2 Test Instrument Used ................................................... 6 4. METHOD OF MEASUREMENT ......................................... 7 4.1 Applicable Standard..................................................... 7 4.2 Block Diagram Of Test Setup ............................................. 7 4.3 Limit .................................................................. 8 4.4 Test procedure ......................................................... 8 4.5 Equipment Approval Considerations....................................... 9 4.6 E and H field Strength .................................................. 10 5. PHOTOGRAPHS OF TEST SET-UP .................................... 11 (Note: N/A means not applicable) Report No.: BCTC2101202209-2E No.:BCTC/RF-EMC-005 Page 4 of 14 Edition:A.3 1. VERSION Report No. Issue Date Description Approved BCTC2101202209-2E 2021-02-01 Original Valid Report No.: BCTC2101202209-2E No.:BCTC/RF-EMC-005 Page 5 of 14 Edition:A.3 2. PRODUCT INFORMATION 2.1 Product Information Model/Type Ref.: 7143-27GY/W57-CK Model differences: N/A Product Description: 7143-27GY/W57-CK Operation Frequency: 115kHz-220kHz Antenna installation: loop coil antenna Ratings: Input: DC 5V/2A Wireless Output: 5W 2.2 Support Equipment Device Type Brand Model Series No. Data Cable Remark Mobile phone iphone iphone8P N/A N/A Auxiliary Notes: 1. All the equipment/cables were placed in the worst-case configuration to maximize the emission during the test. 2. Grounding was established in accordance with the manufacturer’s requirements and conditions for the intended use. 2.3 Test Mode Test Modes keeping TX+Charging mode Report No.: BCTC2101202209-2E No.:BCTC/RF-EMC-005 Page 6 of 14 Edition:A.3 3. TEST FACILITY AND TEST INSTRUMENT USED 3.1 Test Facility All measurement facilities used to collect the measurement data are located at Shenzhen BCTC Testing Co., Ltd. Address:1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Tangwei, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China. The site and apparatus are constructed in conformance with the requirements of ANSI C63.4 and CISPR 16-1-1 other equivalent standards. FCC Test Firm Registration Number: 712850 IC Registered No.: 23583 3.2 Test Instrument Used Equipment Manufacturer Model No. Serial No. Last Cal. Next Cal. Exposure Level Tester Narda ELT-400 N-0231 Jul. 15, 2020 Jul. 14, 2021 Magnetic field probe 100cm2 Narda B-Field Probe 100cm2 M0675 Jul. 15, 2020 Jul. 14, 2021 843 Chamber ETS 843 84301 Aug. 27, 2020 Aug. 26, 2023 Report No.: BCTC2101202209-2E No.:BCTC/RF-EMC-005 Page 7 of 14 Edition:A.3 4. METHOD OF MEASUREMENT 4.1 Applicable Standard According to §1.1307(b)(1), 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 of the Commission’s guidelines. According to §1.1310 and §2.1093 RF exposure is calculated. According KDB680106 D01v03: RF Exposure Wireless Charging Apps v02. 4.2 Block Diagram Of Test Setup Note: Measurements should be made from all sides and the top of the primary/client pair, with the 15 cm measured from the center of the probe(s) to the edge of the device Report No.: BCTC2101202209-2E No.:BCTC/RF-EMC-005 Page 8 of 14 Edition:A.3 4.3 Limit 4.4 Test procedure a) The RF exposure test was performed on 360 degree turn table in anechoic chamber. b) The measurement probe was placed at test distance (15cm) which is between the edge of the charger and the geometric centre of probe. c) The turn table was rotated 360d degree to search of highest strength. d) The highest emission level was recorded and compared with limit as soon as measurement of each points (A, B, C, D, E) were completed. …
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Conducted emissions Radiated Measurement Photos
1-2/F., Building B, Pengzhou Industrial Park, · Baoan District, Shenzhen, Guangdong · China
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 0.115 MHz - 0.22 MHz | - |

Watch charging wire
Equipment Class
DCD - Part 15 Low Power Transmitter Below 1705 kHz
7143-28GY/W45-CK
Equipment Class
DCD - Part 15 Low Power Transmitter Below 1705 kHz
7197-49GY/DSBT065A-C
Equipment Class
DSS - Part 15 Spread Spectrum Transmitter
7197-48GY/DSBT077A-C
Equipment Class
DSS - Part 15 Spread Spectrum Transmitter
Bluetooth Speaker
Equipment Class
DSS - Part 15 Spread Spectrum Transmitter