2AJ55HOLYSTONED1QUADCOPTER

Xiamen Huoshiquan Import & Export CO., LTD Date: 2021-1- 12 To: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD FCC ID: 2AJ55HOLYSTONED1 To Whom It May Concern: This letter is to ascertain that Xiamen Huoshiquan Import & Export CO., LTD EUT：QUADCOPTER MODEL No.: D10, D20, D30, D50, D60, D70, D80, D90, D11, D15, D22, D25, D33, D35, D55, HT02, HT06, HT07, HT05, HT10, HT15, HT20, HT25, HT30, HT35, HT50, HT45, HS101, HS105, HS115, HS125, HS135, HS155, HS225, HS130, HS250, HS260, HS280, HS290, HS350, HS360, HS390, HS410, HS420, HS430, HS440, HS450, HS460, HS490, HS520, HS530, HS560, HS570, HS590, HS710, HS730, HS740, HS750, HS760, HS770, HS780, HS790, HS810, HS820, HS830, HS840, HS850, HS860, HS870, HS880, HS890, HS900, HS920, HS930 Has been the units used for conducting FCC compliance testing, the SDoC part will be tested by EMTEK (SHENZHEN) CO., LTD. If you have any question or concerns, pls. contact us. Sincerely, Client’s signature ： Client’s name / title ： Junxian Chen Contact information / address: Xiamen Huoshiquan Import & Export CO., LTD / Room 703, No.813-2 Xiahe Road, Siming District, XIAMEN, China

Rev 11/20/07 Xiamen Huoshiquan Import & Export CO., LTD Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2AJ55HOLYSTONED1 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name Block Diagram, Schematics, Operational Description, Block Diagram Operation Description schematic diagram 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. Client’s name / title ： Junxian Chen Contact information / address: Xiamen Huoshiquan Import & Export CO., LTD / Room 703, No.813-2 Xiahe Road, Siming District, XIAMEN, China

Xiamen Huoshiquan Import & Export CO., LTD Model Confirmation Letter We, Xiamen Huoshiquan Import & Export CO., LTD, hereby declare that our product QUADCOPTER, test model D10 a nd serial model D20, D30, D50, D60, D70, D80, D90, D11, D15, D22, D25, D33, D35, D55, HT02, HT06, HT07, HT05, HT10, HT15, HT20, HT25, HT30, HT35, HT50, HT45, HS101, HS105, HS115, HS125, HS135, HS155, HS225, HS130, HS250, HS260, HS280, HS290, HS350, HS360, HS390, HS410, HS420, HS430, HS440, HS450, HS460, HS490, HS520, HS530, HS560, HS570, HS590, HS710, HS730, HS740, HS750, HS760, HS770, HS780, HS790, HS810, HS820, HS830, HS840, HS850, HS860, HS870, HS880, HS890, HS900, HS920, HS930 are electrically identical. The differences among them are model name and the color of appearance. Please contact me should there be need for any additional or information. , Signiture: Contact: +8618659677161 Company Name: Xiamen Huoshiquan Import & Export CO., LTD Date: 2020.4.13

Xiamen Huoshiquan Import & Export CO., LTD Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 2021-1-12 SUBJECT: FCC Application for FCC ID: 2AJ55HOLYSTONED1 To Whom It May Concern: We, the undersigned, hereby authorize Lisa Wang at EMTEK (SHENZHEN) CO., LTD. on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by EMTEK (SHENZHEN) CO., LTD. on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Client’s name / title ： Junxian Chen Contact information / address: Xiamen Huoshiquan Import & Export CO., LTD / Room 703, No.813-2 Xiahe Road, Siming District, XIAMEN, China

EUT EXTERNAL PHOTOGRAPHS EUT View 1 EUT View 2 EUT View 3 EUT View 4 EUT View 5 EUT View 6 EUT View 7 EUT View 8 EUT View 9 EUT View 10 EUT View 11 ----------------The end----------------

010飞行器移印： i:iEEri.C Model No.: D10 Op,rat;,g Volatag,c 3.7V FCCIC无2AJ55HOLYST,。NED1 Bat，才hN。”010EU-2曲818 XamenHuosh问＂＇＂Imp。rt&E><po眈CO.,LTD @&:.1211-1川6 EC REP...叫 问腼临危啤百1!,e18,四＂·除到hGermany

EUT INTERNAL PHOTOGRAPHS EUT Housing and Board View 1 EUT Housing and Board View 2 EUT Housing and Board View 3 Solder Board-Component View 1 Solder Board-Component View 2 Solder Board-Component View 3 Solder Board-Component View 4 Solder Board-Component View 5 Solder Board-Component View 6 Solder Board-Component View 7 5G WIFI module Battery Antenna ----------------The end---------------- 5G transmitted antenna 2.4G receiver antenna

FCC ID : 2AJ55HOLYSTONED1 RF EXPOSURE EVALUATION According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) Radiation as specified in §1.1307(b) Limits for Maximum Permissible Exposure (MPE) Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density(mW/cm 2 ) Average Time (A) Limits for Occupational/Control Exposures 300-1500 -- -- F/300 6 1500-100000 -- -- 5 6 (B) Limits for General Population/Uncontrol Exposures 300-1500 -- -- F/1500 6 1500-100000 -- -- 1 30 11.1 Friis transmission formula: Pd= (Pout*G)\ (4*pi*R 2 ) Where Pd= Power density in mW/cm 2 Pout=output power to antenna in mW G= Numeric gain of the antenna relative to isotropic antenna Pi=3.1416 R= distance between observation point and center of the radiator in cm Pd the limit of MPE, 1mW/cm 2 ,If we know the maximum gain of the nd total power input to the antenna, through the calculation, we will know the distance where the MPE limit is reached. RF Exposure Information: The radiated output power of this device meets the limits of FCC/IC radio frequency exposure limits.This device should be operated with a minimum separation distance of 20cm (8 inches) between the equipment and a person's body. 11.2 Measurement Result WIFI5G cannot transmit at the same time Wifi 5G Antenna gain: 2.40dBi modulation Measured power (dBm) Tune-up power (dBm) Max tune-up power (dBm) Antenna Gain Numeric Evaluation result (mW/cm2 ) Power density Limits (mW/cm2 ) 5150MHz-5250MHz 14.72 13 to15 15 1.74 0.0109 1 5725MHz-5875MHz 16.74 15 to17 17 1.74 0.0173 1

Report No.ES201224036W Page 1 of 46 Ver.1.0 TEST REPORT Product Name ： QUADCOPTER Model Number ： See Page 2 FCC ID ： 2AJ55HOLYSTONED1 Prepared for : Xiamen Huoshiquan Import & Export CO., LTD Address : Room 703, No.813-2 Xiahe Road, Siming District, XIAMEN, China Prepared by : EMTEK (SHENZHEN) CO., LTD. Address : Building 69, Majialong Industry Zone, Nanshan District, Shenzhen, Guangdong, China Tel: (0755) 26954280 Fax: (0755) 26954282 Report Number : ES201224036W Date(s) of Tests : December 31,2020 to January 12, 2021 Date of issue : January 13,2021 $二维码$ Report No.ES201224036W Page 2 of 46 Ver.1.0 Model Number: D10, D20, D30, D50, D60, D70, D80, D90, D11, D15, D22, D25, D33, D35, D55, HT02, HT06, HT07, HT05, HT10, HT15, HT20, HT25, HT30, HT35, HT50, HT45, HS101, HS105, HS115, HS125, HS135, HS155, HS225, HS130, HS250, HS260, HS280, HS290, HS350, HS360, HS390, HS410, HS420, HS430, HS440, HS450, HS460, HS490, HS520, HS530, HS560, HS570, HS590, HS710, HS730, HS740, HS750, HS760, HS770, HS780, HS790, HS810, HS820, HS830, HS840, HS850, HS860, HS870, HS880, HS890, HS900, HS920, HS930 Report No.ES201224036W Page 3 of 46 Ver.1.0 1 TEST RESULT CERTIFICATION Applicant : Xiamen Huoshiquan Import & Export CO., LTD Address : Room 703, No.813-2 Xiahe Road, Siming District, XIAMEN, China Manufacturer : Xiamen Huoshiquan Import & Export CO., LTD Address : Room 703, No.813-2 Xiahe Road, Siming District, XIAMEN, China EUT : QUADCOPTER Model Name : D10, D20, D30, D50, D60, D70, D80, D90, D11, D15, D22, D25, D33, D35, D55, HT02, HT06, HT07, HT05, HT10, HT15, HT20, HT25, HT30, HT35, HT50, HT45, HS101, HS105, HS115, HS125, HS135, HS155, HS225, HS130, HS250, HS260, HS280, HS290, HS350, HS360, HS390, HS410, HS420, HS430, HS440, HS450, HS460, HS490, HS520, HS530, HS560, HS570, HS590, HS710, HS730, HS740, HS750, HS760, HS770, HS780, HS790, HS810, HS820, HS830, HS840, HS850, HS860, HS870, HS880, HS890, HS900, HS920, HS930 Trademark : DEERC Measurement Procedure Used: APPLICABLE STANDARDS STANDARD TEST RESULT FCC 47 CFR Part 2, Subpart J FCC 47 CFR Part 15, Subpart E PASS The above equipment was tested by EMTEK (SHENZHEN) 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 this report is in compliance with the requirements of FCC Rules Part 2 and Part 15.407 The test results of this report relate only to the tested sample identified in this report. Date of Test : December 31,2020 to January 12, 2021 Prepared by: Sewen Guo /Editor Reviewer: Joe Xia /Supervisor Approve & Authorized Signer : Lisa Wang/Manager Report No.ES201224036W Page 4 of 46 Ver.1.0 TABLE OF CONTENTS 1 TEST RESULT CERTIFICATION ............................................................................................................... 3 2 EUT TECHNICAL DESCRIPTION ............................................................................................................. 5 3 SUMMARY OF TEST RESULT .................................................................................................................... 7 4 TEST METHODOLOGY ............................................................................................................................... 8 4.1 GENERAL DESCRIPTION OF APPLIED STANDARDS ...................................................................... 8 4.2 MEASUREMENT EQUIPMENT USED ................................................................................................. 8 4.3 DESCRIPTION OF TEST MODES .......................................................................................................... 9 4.4 TEST SOFTWARE ................................................................................................................................... 9 5 FACILITIES AND ACCREDITATIONS .................................................................................................... 10 5.1 FACILITIES............................................................................................................................................ 10 5.2 LABORATORY ACCREDITATIONS AND LISTINGS ........................................................................ 10 6 TEST SYSTEM UNCERTAINTY ................................................................................................................11 7 SETUP OF EQUIPMENT UNDER TEST .................................................................................................. 12 7.1 RADIO FREQUENCY TEST SETUP .................................................................................................... 12 7.2 RADIO FREQUENCY TEST SETUP .................................................................................................... 12 7.3 CONDUCTED EMISSION TEST SETUP ............................................................................................. 14 7.4 BLOCK DIAGRAM CONFIGURATION OF TEST SYSTEM .............................................................. 15 7.5 SUPPORT EQUIPMENT........................................................................................................................ 15 8 TEST REQUIREMENTS ............................................................................................................................. 16 8.1 BANDWIDTH MEASUREMENT ......................................................................................................... 16 8.2 MAXIMUM CONDUCTED OUTPUT POWER.................................................................................... 21 8.3 MAXIMUM PEAK POWER DENSITY ................................................................................................ 23 8.4 FREQUENCY STABILITY .................................................................................................................... 27 8.5 UNDESIRABLE RADIATED SPURIOUS EMISSION ..................................…

Text truncated - open the document above for the full version.

TEST SETUP PHOTOGRAPHS 1.1. Photos of Radiation Emission Measurement Spurious Emission Test Setup (Below 1GHz) Spurious Emission Test Setup (Above 1GHz) ----------------The end----------------