2AU7DFL048624POWER BANK

PYS High-Tech Co., LTD Declaration on model difference We the undersigned hereby confirm that these models are identical, and all models have the same RF module and antenna, PCB layout, schematics and component. Only the models name are different. Production name Trademark FCC ID Model no. 4-in-1 Power Station N/A 2AU7DFL048624 FL048624, PYS-WPC21039-01 Sincerely, Jackzheng Electrical Engineer PYS High-Tech Co., LTD 1F~12F, Block 9, Lianhua Industrial Zone, Longhua, Shenzhen, Guangdong 518109 CHINA

PYS High-Tech Co., LTD 2022/02/21 To: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD FCC ID: 2AU7DFL048624 To Whom It May Concern: This letter is to ascertain that, Product: 4- in-1 Power Station M/N: FL048624, PYS-WPC21039-01 has been the units used for conducting FCC compliance testing, and it meets 680106 D01 RF Exposure Wireless Charging App v03 Clause 5(b) all 6 conditions. 1 Power transfer frequency is less that 1 MHz Reply： Yes, Power transfer frequency is less that 1 MHz ; Ans : The maximum operating frequency of EUT is 326.5KHz. 2 Output power from each primary coil is less than or equal to 15 watts. Reply： Yes, Output power from each primary coil is equal to 15 watts.The max output power is 15W. 3 The transfer system includes only single primary and secondary coils. This includes charging systems that may have multiple primary coils and clients that are able to detect and allow coupling only between individual pairs of coils. Reply： Yes, EUT has three primary coils, but each coil can only correspond to one client 4 Client device is placed directly in contact with the transmitter. Reply： Yes, The client device needs to be in contact with the transmitter base, and the contact distance is less than 10mm. 5 Mobile exposure conditions only (portable exposure conditions are not covered by this exclusion). Reply： No, EUT is mobile device. 6 The aggregate H-field strengths at 15 cm surrounding the device and 20 cm above the top surface from all simultaneous transmitting coils are demonstrated to be less than 50% of the MPE limit. Reply： Yes, RF Exposure Evaluation report test result meets this Limt.Please refer to the RF exposure Evaluation report. If you have any question or concerns, pls. contact us. Sincerely, Jackzheng Electrical Engineer PYS High-Tech Co., LTD 1F~12F, Block 9, Lianhua Industrial Zone, Longhua, Shenzhen, Guangdong 518109 CHINA

PYS High-Tech Co., LTD 2022-02-22 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize DongGuan Anci Electronic Technology 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, Jackzheng Electrical Engineer PYS High-Tech Co., LTD 1F~12F, Block 9, Lianhua Industrial Zone, Longhua, Shenzhen, Guangdong 518109 CHINA

PYS High-Tech Co., LTD 2022-02-22 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (EUT Name: 4-in-1 Power Station /Model: FL048624, PYS-WPC21039-01/FCC ID: 2AU7DFL048624) 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 ,Operational Description,Schematics) 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, Jackzheng Electrical Engineer PYS High-Tech Co., LTD 1F~12F, Block 9, Lianhua Industrial Zone, Longhua, Shenzhen, Guangdong 518109 CHINA

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ANTENNA ANTENNA ANTENNA

1 / 14 EUT Specification FCC ID: 2AU7DFL048624 Characteristics Description Product Name 4-in-1 Power Station Model number FL048624, PYS-WPC21039-01 Power Supply AC120V/60Hz for adapter Operating Frequency Range 127.7KHz for iphone 326.5KHz for Apple Watch 127.7KHz for Airpods Modulation Technique FSK Antenna Type Induction coil Device category Portable (<20cm separation) Mobile (>20cm separation) Others ___ Exposure classification Occupational/Controlled exposure (S = 5mW/cm2) General Population/Uncontrolled exposure (S=1mW/cm2) Antenna diversity Single antenna Multiple antennas Tx diversity Rx diversity Tx/Rx diversity Evaluation applied MPE Evaluation SAR Evaluation Applicable Standard: FCC Part 1(1.1310) ,Part 2(2.1091) and KDB 680106 D01 RF Exposure Wireless Charging Apps v03 Applicable Requirement: Three different categories of transmitters are defined by the FCC in OET Bulletin 65. 2 / 14 These categories are fixed installation, mobile, and portable and are defined as follows: Fixed Installations: fixed location means that the device, including its antenna, is physically secured at a permanent location and is not able to be easily moved to another location. Additionally, distance to humans from the antenna is maintained to at least 2 meters. Mobile Devices: a mobile device is defined as a transmitting device designed to be used in other than fixed locations and to be generally used in such a way that a separation distance of at least 20 centimeters is normally maintained between the transmitter's radiating structures and the body of the user or nearby persons. Transmitters designed to be used by consumers or workers that can be easily re-located, such as a wireless modem operating in a laptop computer, are considered mobile devices if they meet the 20 centimeter separation requirement. The FCC rules for evaluating mobile devices for RF compliance are found in 47 CFR §2.1091. Portable Devices: a portable device is defined as a transmitting device designed to be used so that the radiating structure(s) of the device is/are within 20 centimeters of the body of the user. Portable device requirements are found in Section 2.1093 of the FCC's Rules (47 CFR§2.1093). The FCC also categorizes the use of the device as based upon the user’s awareness and ability to exercise control over his or her exposure. The two categories defined are Occupational/ Controlled Exposure and General Population/Uncontrolled Exposure. These two categories are defined as follows: Occupational/controlled exposure limits apply in situations in which persons are exposed as a consequence of their employment provided those persons are fully aware of the potential for exposure and can exercise control over their exposure. Limits for occupational/controlled exposure also apply in situations when a person is transient through a location where occupational/controlled limits apply provided he or she is made aware of the potential for exposure. The phrase fully aware in the context of applying these exposure limits means that an exposed person has received written and/or verbal information fully explaining the potential for RF exposure resulting from his or her employment. With the exception oftransient persons, this phrase also means that an exposed person has received appropriate training regarding work practices relating to controlling or mitigating his or her exposure. Such training is not required for transient persons, but they must receive written and/or verbal information and notification (for example, using signs) concerning their exposure potential and appropriate means available to mitigate their exposure. The phrase exercise control means that an exposed person is allowed to and knows how to reduce or avoid exposure by administrative or engineering controls and work practices, such as use of personal protective equipment or time averaging of exposure. General population/uncontrolled exposure limits apply in situations in 3 / 14 which the general public may be exposed, or in which persons who are exposed as a consequence of their employment may not be fully aware of the potential for exposure or cannot exercise control over their exposure. Licensees and applicants are responsible for compliance with both the occupational/controlled exposure limits and the general population/uncontrolled exposure limits as they apply to transmitters under their jurisdiction. Licensees and applicants should be aware that the occupational/controlled exposure limits apply especially in situations where workers may have access to areas in very close proximity to antennas and access to the general public may be restricted. In lieu of evaluation with the general population/uncontrolled exposure limits, amateur licensees authorized under part 97 of this chapter and members of his or her immediate household may be evaluated with respect to the occupational/controlled exposure limits in this section, provided appropriate training and information has been provided to the amateur licensee and members of his/her household. Other nearby persons who are not members of the amateur licensee's household must be evaluated with respect to the general population/uncontrolled exposure limits. Test Setup Block 4 / 14 Test Procedure 1.Connect the EUT and equipment as above diagram of test configuration. 2.EUT was placed on a table, and the measure probe was placed at a measurement distance of 15cm from the EUT to the center of the probe. 3.Power on the measuring probe, the EUT was set at the maximum field strength emission state. 4.The EUT was put in different directions (Left, Right, Front, Rear, Top and Bottom) toward to the measure probe. The distance from the top of the EUT to the probe is 20CM, and the distance from other directions is 15cm.Measure the value of field strength. 5.Record the worst data of the different directions. Measuring Device And Test Equipment Used Equipment Manufacturer Model No. Serial No. Last Cal. Cal. Interval  Electric an…

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Report No.: E01A22020016F00101 1 of 52 DongGuan Anci Electronic Technology Co., Ltd 1-2 Floor, Building A, No.11, Headquarters 2 Road, Songshan Lake Hi-tech Industrial Development Zone, Dongguan City, Guangdong Pr., China. Phone: 86-769- 8507 5888; Fax: 86-769- 8507 5898 E-mail: [email protected] Rev. 1.0 ELECTROMAGNETIC EMISSIONS COMPLIANCE REPORT INTENTIONAL RADIATOR CERTIFICATION TO FCC PART 15 SUBPART C REQUIREMENT OF 4-in-1 Power Station Model No.: FL048624, PYS-WPC21039-01 Trademark: FCC ID: 2AU7DFL048624 Report No.: E01A22020016F00101 Issue Date: Feb. 19, 2022 Prepared for PYS High-Tech Co., LTD 1F~12F, Block 9, Lianhua Industrial Zone, Longhua, Shenzhen, Guangdong 518109 CHINA Prepared by Dong Guan Anci Electronic Technology Co., Ltd. 1-2 Floor, Building A, No.11, Headquarters 2 Road, Songshan, Lake Hi-tech Industrial Development Zone, Dongguan City, Guangdong Pr., China. This report shall not be reproduced, except in full, without the written approval of Dong Guan Anci Electronic Technology Co., Ltd. Report No.: E01A22020016F00101 2 of 52 TRF No.: FCC 15.209/A Rev. 1.0 VERIFICATION OF COMPLIANCE Applicant: PYS High-Tech Co., LTD 1F~12F, Block 9, Lianhua Industrial Zone, Longhua, Shenzhen, Guangdong 518109 CHINA Manufacturer: PYS High-Tech Co., LTD 1F~12F, Block 9, Lianhua Industrial Zone, Longhua, Shenzhen, Guangdong 518109 CHINA Product Description: 4-in-1 Power Station Trade Mark: Model Number: FL048624, PYS-WPC21039-01(Note: All models are the same, except the model name.) We hereby certify that: The above equipment was tested by Dong Guan Anci Electronic Technology Co., Ltd. The test data, data evaluation, test procedures, and equipment configurations shown in this report were made in accordance with the procedures given in ANSI C63.10-2013 and the energy emitted by the sample EUT tested as described in thi s report is in compliance with conducted and radiated emission limits of FCC Rules Part 15.209(2020). Date of Test : Feb. 14, 2022 to Feb. 18, 2022 Prepared by : Tomas Yang/Supervisor Reviewer & Authorized Signer : Alan He/Manager Report No.: E01A22020016F00101 3 of 52 TRF No.: FCC 15.209/A Rev. 1.0 Modified Information Version Summary Revision Date Report No. Ver.1.0 Original Report / E01A22020016F00101 Report No.: E01A22020016F00101 4 of 52 TRF No.: FCC 15.209/A Rev. 1.0 Table of Contents 1 GENERAL INFORMATION .................................................................................................................................. 5 1.1 PRODUCT DESCRIPTION .................................................................................................................................... 5 1.2 RELATED SUBMITTAL(S) / GRANT(S) ................................................................................................................. 6 1.3 TEST METHODOLOGY ........................................................................................................................................ 6 1.4 SPECIAL ACCESSORIES ..................................................................................................................................... 6 1.5 EQUIPMENT MODIFICATIONS ............................................................................................................................. 6 1.6 TEST FACILITY .................................................................................................................................................... 6 2 SYSTEM TEST CONFIGURATION ..................................................................................................................... 7 2.1 EUT CONFIGURATION ....................................................................................................................................... 7 2.2 EUT EXERCISE .................................................................................................................................................. 7 2.3 TEST PROCEDURE ............................................................................................................................................. 7 2.4 CONFIGURATION OF TESTED SYSTEM ............................................................................................................... 8 3 SUMMARY OF TEST RESULTS ......................................................................................................................... 8 4 TEST SYSTEM UNCERTAINTY .......................................................................................................................... 9 5 CONDUCTED EMISSIONS TEST ..................................................................................................................... 10 5.1 MEASUREMENT PROCEDURE .......................................................................................................................... 10 5.2 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ................................................................................. 10 5.3 MEASUREMENT EQUIPMENT USED .................................................................................................................. 10 5.4 CONDUCTED EMISSION LIMIT .......................................................................................................................... 10 5.5 MEASUREMENT RESULT .................................................................................................................................. 11 5.6 CONDUCTED MEASUREMENT PHOTO .............................................................................................................. 20 6 RADIATED EMISSION TEST............................................................................................................................. 21 6.1 MEASUREMENT PROCEDURE .......................................................................................................................... 21 6.2 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ...............................................................…

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