2AT93HUINA-1540Radio Controlled Toy Transmitter (2.4GHz)

Page 1 / 2 C:\Users\leungj\Documents\Project\2019\AYT\158010555_AYT_1520\Authorization letter_draft_M.docx GUANGDONG HUINA MODEL CO., LTD. ADD: No.9 Xin Xing Five Road,Xin Ning,Chenghai District,Shantou City,China. To Whom It May Concern: Please be advised that Applicant Name: GUANGDONG HUINA MODEL CO., LTD. Address: No.9 Xin Xing Five Road,Xin Ning,Chenghai District,Shantou City,China. City: Country: authorizes, Joey Leung, Project Manager at TÜV Rheinland Hong Kong Ltd. to act on our behalf, until otherwise notified, for applications submitted to a Telecommunication Certification Body (TCB) recognized by the FCC. We certify that we are not subject to denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse ACT of 1988, U.S.C.862. Further, no party, as defined in 47 CFR 1.2002 (b), to the application is subject to denial of federal benefits, that includes FCC benefits. Thank you for your attention to this matter. Signature: Name: Page 2 / 2 C:\Users\leungj\Documents\Project\2019\AYT\158010555_AYT_1520\Authorization letter_draft_M.docx Title: general manager

Page 1 / 2 C:\Users\leungj\AppData\Local\Temp\7zO842491EB\Confidentiality letter_FCC.DOCX GUANGDONG HUINA MODEL CO., LTD. ADD: No.9 Xin Xing Five Road,Xin Ning,Chenghai District,Shantou City,China. Applicant Name: GUANGDONG HUINA MODEL CO., LTD. Address: No.9 Xin Xing Five Road,Xin Ning,Chenghai District,Shantou City,China. City: Country: Federal Communications Commission Authorization and Evaluation Division Confidentiality Request Pursuant to 47 CFR Section 0.457 and 0.459, the applicant hereby requests non-disclosure and confidential treatment of the following materials submitted in support of FCC certification application for FCC ID: 2AT93HUINA-1540 Bill(s) of Material Block Diagrams Operational Description Schematic Diagrams The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. Page 2 / 2 C:\Users\leungj\AppData\Local\Temp\7zO842491EB\Confidentiality letter_FCC.DOCX The Applicant understands that pursuant to Rule 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Signature: Name: Title: general manager Date: 2020.1.3

Revision 1.0 Page 1 of 3 Declaration Of Equivalence GUANGDONG HUINA MODEL CO., LTD. ADD: No.9 Xin Xing Five Road,Xin Ning,Chenghai District,Shantou City,China. We, the undersigned, hereby declare that the product, 1540 , is identical in construction including schematics, PCB layout and electronic components to the model 310,1310,320,1320,330,1330,340,1340,350,1350,360,1360,370,1370,380,1380,390,1390,380,13 80, 390,1390，331,1331,332,1332,333,1333,335,1335,336,1336,337,1337,338,1338,339,1339,510,1510， 520,1520,530,1530,540,550,1550，,560,1560,561,1561,562,1562,563,1563，564，1564,565, 1565,566,1566,567,1567,568,1568，569,1569,570,1570,571，1571,572,1572,573,1573,574,1574， 575，1575,576,1576,577，1577,578,1578,579，,179,580，1580,581,1581,582，1582,583,1583,584， 1584,585，1585,586，1586,587，1587,588,1588,589，1589,590,1590,591,1591,592,1592,593，1593， 594,1594,595,1595,596，1596,597,1597,598，1598,599，1599 . The differences between the modified equipment and original equipment are listed below: Main EUT Rest of multiple models Product name R/C TRUCK R/C TRUCK Identification (Model Number) 1540 310,1310,320,1320,330,1330,340,1340, 350,1350,360,1360,370,1370,380,1380, 390,1390,380,1380, 390,1390， 331,1331,332,1332,333,1333,335,1335,336, 1336,337,1337,338,1338,339,1339,510,1510 ， 520,1520,530,1530,540,550,1550，,560, 1560,561,1561,562,1562,563,1563，564， 1564,565, 1565,566,1566,567,1567,568,1568， This Declaration of Equivalence is pursuant to section 6 Page 2 Radio Frequency Investigation Ltd 569,1569,570,1570,571， 1571,572,1572,573,1573,574,1574， 575，1575,576,1576,577， 1577,578,1578,579，,179,580， 1580,581,1581,582，1582,583,1583,584， 1584,585，1585,586，1586,587， 1587,588,1588,589， 1589,590,1590,591,1591,592,1592,593， 1593， 594,1594,595,1595,596， 1596,597,1597,598，1598,599，1599 Manufacturer GUANGDONG HUINA MODEL CO., LTD. GUANGDONG HUINA MODEL CO., LTD. Difference of modified equipment - Packaging different GUANGDONG HUINA MODEL CO., LTD. Company Name Representative Signature This Declaration of Equivalence is pursuant to section 6 Radio Frequency Investigation Ltd Page 3 Printed name and title 2020.1.3 Date

www.tuv.com Test Report No.: 50334737 001 Appendix 3 Page 1 of 4 Appendix 3 EUT External Photos www.tuv.com Test Report No.: 50334737 001 Appendix 3 Page 2 of 4 External View External View www.tuv.com Test Report No.: 50334737 001 Appendix 3 Page 3 of 4 External View External View www.tuv.com Test Report No.: 50334737 001 Appendix 3 Page 4 of 4 External View

www.tuv.com Test Report No.: 50334737 001 Appendix 4 Page 1 of 3 Appendix 4 EUT Internal Photos www.tuv.com Test Report No.: 50334737 001 Appendix 4 Page 2 of 3 Internal View Internal View www.tuv.com Test Report No.: 50334737 001 Appendix 4 Page 3 of 3 Internal View

www.tuv.com Test Report No.: 50334737 001 Appendix 5 Page 1 of 2 Appendix 5 RF Exposure Information www.tuv.com Test Report No.: 50334737 001 Appendix 5 Page 2 of 2 Maximum transmitter power: Frequency (MHz) Maximum peak output power (dBuV/m) Output power (mW) 2410 90.10 0.3070 2442 92.70 0.5586 2473 91.40 0.4141 For FCC According to KDB 447498 D01: The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] · [√f(GHz)] ≤3.0 for 1-g SAR and ≤7.5 for 10-g extremity SAR, where • f(GHz) is the RF channel transmit frequency in GHz • Power and distance are rounded to the nearest mW and mm before calculation • The result is rounded to one decimal place for comparison • 3.0 and 7.5 are referred to as the numeric thresholds in the step 2 below Result: (0.3070/5)*√2.410 = 0.095 <3.0 (0.5586/5)*√2.442 = 0.175 <3.0 (0.4141/5)*√2.473 = 0.130 <3.0 Conclusion: No SAR is required.

Produkte Products TÜV Rheinland Hong Kong Ltd. 3-4, 11/F., Fou Wah Industrial Building, 10-16 Pun Shan Street, Tsuen Wan, N.T., Hong Kong Tel.: +852 2192 1000  Fax: +852 2192 1001  Email [email protected]  Web: www.tuv.com Prüfbericht-Nr.: Test Report No.: 50334737 001 Auftrags-Nr.: Order No.: 158125313 Seite 1 von 14 Page 1 of 14 Kunden-Referenz-Nr.: Client Reference No.: N/A Auftragsdatum: Order date: 14.01.2020 Auftraggeber: Client: GUANGDONG HUINA MODEL CO., LTD. No.9 Xin Xing Five Road,Xin Ning,Chenghai District,Shantou City,China Prüfgegenstand: Test item: Short Range Device - Radio Control Toy Transmitter (2.4GHz) Bezeichnung / Typ-Nr.: Identification / Type No.: Please refer to "Models" on page 3 Auftrags-Inhalt: Order content: FCC Certification Prüfgrundlage: Test specification: FCC Part 15 Subpart C ANSI C63.10-2013 Wareneingangsdatum: Date of receipt: 19.12.2019 Prüfmuster-Nr.: Test sample No.: A001045474-001 Prüfzeitraum: Testing period: 24.12.2019 – 02.01.2020 Ort der Prüfung: Place of testing: Hong Kong Prüflaboratorium: Testing laboratory: TÜV Rheinland Hong Kong Ltd. Prüfergebnis*: Test result*: Pass geprüft von / tested by: kontrolliert von / reviewed by: 15.01.2020 Joey Leung Project Manager 15.01.2020 Sharon Li Unit Senior Manager Datum Date Name / Stellung Name / Position Unterschrift Signature Datum Date Name / Stellung Name / Position Unterschrift Signature Sonstiges Other: FCC ID: 2AT93HUINA-1540 Zustand des Prüfgegenstandes bei Anlieferung: Condition of the test item at delivery: Prüfmuster vollständig und unbeschädigt Test item complete and undamaged * Legende: 1 = sehr gut 2 = gut 3 = befriedigend 4 = ausreichend 5 = mangelhaft P(ass) = entspricht o.g. Prüfgrundlage(n) F(ail) = entspricht nicht o.g. Prüfgrundlage(n) N/A = nicht anwendbar N/T = nicht getestet Legend: 1 = very good 2 = good 3 = satisfactory 4 = sufficient 5 = poor P(ass) = passed a.m. test specification(s) F(ail) = failed a.m. test specification(s) N/A = not applicable N/T = not tested Dieser Prüfbericht bezieht sich nur auf das o.g. Prüfmuster und darf ohne Genehmigung der Prüfstelle nicht auszugsweise vervielfältigt werden. Dieser Bericht berechtigt nicht zur Verwendung eines Prüfzeichens. This test report only relates to the a. m. test sample. Without permission of the test center this test report is not permitted to be duplicated in extracts. This test report does not entitle to carry any test mark. www.tuv.com Test Report No.: 50334737 001 Date: 15.01.2020 Page 2 of 14 Table of Content Page Cover Page ............................................................................................................................... 1 Table of Content ...................................................................................................................... 2 Product information................................................................................................................ 3 Manufacturers declarations ................................................................................................................................ 3 Product function and intended use .................................................................................................................... 3 Submitted documents ......................................................................................................................................... 4 Independent Operation Modes ........................................................................................................................... 4 Related Submittal(s) Grants ................................................................................................................................ 4 Remark .................................................................................................................................................................. 4 Test Set-up and Operation Mode ........................................................................................... 5 Principle of Configuration Selection .................................................................................................................. 5 Test Operation and Test Software ..................................................................................................................... 5 Special Accessories and Auxiliary Equipment ................................................................................................. 5 Countermeasures to achieve EMC Compliance ............................................................................................... 5 Test Methodology ................................................................................................................... 6 Radiated Emission ............................................................................................................................................... 6 Field Strength Calculation .................................................................................................................................. 6 Test Setup Diagram ................................................................................................................ 7 Test Facility ............................................................................................................................. 8 Test Laboratory Information ............................................................................................................................... 8 List of Test and Measurement Instruments .......................................................................... 9 Measurement Uncertainty .................................................................................................... 10 Results FCC Part 15 – Subpart C ........................................................................................ 11 FCC 15.203 – Antenna Requirement 1 ................................................................................…

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www.tuv.com Test Report No.: 50334737 001 Appendix 1 Page 1 of 3 Appendix 1 Test Results www.tuv.com Test Report No.: 50334737 001 Appendix 1 Page 2 of 3 20dB Bandwidth Tx frequency: 2410MHz Ref 10 dBmAtt 40 dB 1 PK MAXH A Center 2.41 GHzSpan 6 MHz600 kHz/ * 3DB RBW 100 kHz VBW 300 kHz SWT 2.5 ms -90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 1 Marker 1 [T1 ] -1.58 dBm 2.410396000 GHz 2 Delta 2 [T1 ] -20.18 dB -1.256000000 MHz 3 Delta 3 [T1 ] -20.60 dB 1.404000000 MHz Date: 2.JAN.2020 17:13:13 Tx frequency: 2442MHz Ref 10 dBmAtt 40 dB 1 PK MAXH A Center 2.442 GHzSpan 6 MHz600 kHz/ * 3DB RBW 100 kHz VBW 300 kHz SWT 2.5 ms -90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 1 Marker 1 [T1 ] -1.51 dBm 2.442396000 GHz 2 Delta 2 [T1 ] -20.48 dB -1.272000000 MHz 3 Delta 3 [T1 ] -21.48 dB 1.392000000 MHz Date: 2.JAN.2020 17:17:02 www.tuv.com Test Report No.: 50334737 001 Appendix 1 Page 3 of 3 Tx frequency: 2473MHz Ref 10 dBmAtt 40 dB 1 PK MAXH A Center 2.473 GHzSpan 6 MHz600 kHz/ * 3DB RBW 100 kHz VBW 300 kHz SWT 2.5 ms -90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 1 Marker 1 [T1 ] -1.51 dBm 2.473036000 GHz 2 Delta 2 [T1 ] -20.65 dB -912.000000000 kHz 3 Delta 3 [T1 ] -20.10 dB 1.728000000 MHz Date: 2.JAN.2020 17:19:55

www.tuv.com Test Report No.: 50334737 001 Appendix 2 Page 1 of 2 Appendix 2 Test Setup Photos www.tuv.com Test Report No.: 50334737 001 Appendix 2 Page 2 of 2 Setup for Radiated Emissions Setup for Radiated Emissions