SY4-A02022Four-Rotor Drone Platform

1) FCC 15.19 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 interference, and (2) this device must accept any interference received, 2) FCC 15.21 Warning: Changes or modifications to this unit not expressly approved by the part responsible for compliance 3) FCC 15.105 For a Class B digital device or peripheral, the instructions furnished the user shall include the following or Note: This equipment has been tested and found to comply with the limits for a Class B digital device, -Reorient or relocate the receiving antenna. -Increase the separation between the equipment and receiver. -Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -Consult the dealer or an experienced radio/TV technician for help. 4) FCC RF Exposure- portable This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. including interference that may cause undesired operation. could void the user's authority to operate the equipment. similar statement, placed in a prominent location in the text of the manual: pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: FCC Statement

Shanghai Huace Navigation Technology LTD. Agent Authorization Company: Shanghai Huace Navigation Technology LTD. Address: 599 Gaojing Road, Building D, Shanghai 201702, China Product Name: Four-Rotor Drone Platform Model Number(s): BB4 Product Description: 2.4GHz controlled drone We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: 2021-01-28 Name: Chu Sheng Title: CERTIFICATION MANAGER Company: Shanghai Huace Navigation Technology LTD.

Shanghai Huace Navigation Technology LTD. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2021-01-28 Subject; Request for Long Term Confidentiality FCC ID: SY4-A02022 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Operational Description It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Date: 2021-01-28 Name: Chu Sheng Title: CERTIFICATION MANAGER Company: Shanghai Huace Navigation Technology LTD.

FCC ID: SY4-A02022 FCC ID: SY4-A02022 FCC ID: SY4-A02022 FCC ID: SY4-A02022

5.0cm 2.5cm Label Location FCC ID: SY4-A02022 Shanghai Huace Navigation Technology LTD. Model name: Four-Rotor Drone Platform Model No.: BB4

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FCC ID: SY4-A02022 Prediction of MPE at a given distance 1. Limits 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) 2. Test Procedure Equation from page 18 of OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to the antenna G = numeric gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the centre of radiation of the antenna FCC ID: SY4-A02022 3. Result Worse case is as below: Mode Frequency (MHz) Prediction distance (cm) RF output power MPE (mW/cm 2 ) Limit (mW/cm 2 ) SAR Test Exclusion dBm mW 2.4GHz 2406.5 20 25.55 358.922 0.113 1 Yes Then SAR evaluation is not required.

FCC TEST REPORT FCC ID: SY4-A02022 On Behalf of Shanghai Huace Navigation Technology LTD. Four-Rotor Drone Platform Model No.: BB4 Prepared for : Shanghai Huace Navigation Technology LTD. Address : 599 Gaojing Road, Building D, Shanghai 201702, China Prepared By : Shenzhen Alpha Product Testing Co., Ltd. Address : Building i, No.2, Lixin Road, Fuyong Street, Bao’an District, 518103, Shenzhen, Guangdong, China Report Number : A2012073-C01-R05 Date of Receipt : December 15, 2020 Date of Test : December 15, 2020 –January 14, 2021 Date of Report : January 14, 2021 Version Number : V0 Page 2 of 35 Report No.: A2012073-C01-R05 TABLE OF CONTENTS Description Page 1. Summary Of Standards And Results ---------------------------------------------------------------- 6 1.1. Description of Standards and Results ---------------------------------------------------------- 6 2. General Information ------------------------------------------------------------------------------------ 7 2.1. Description of Device (EUT) -------------------------------------------------------------------- 7 2.2. Accessories of Device (EUT) ------------------------------------------------------------------- 8 2.3. Tested Supporting System Details -------------------------------------------------------------- 8 2.4. Block Diagram of connection between EUT and simulators ------------------------------- 8 2.5. Test Mode Description --------------------------------------------------------------------------- 8 2.6. Test Conditions ------------------------------------------------------------------------------------ 8 2.7. Test Facility ---------------------------------------------------------------------------------------- 9 2.8. Measurement Uncertainty ----------------------------------------------------------------------- 9 2.9. Test Equipment List ---------------------------------------------------------------------------- 10 3. Spurious Emission --------------------------------------------------------------------------------------11 3.1. Test Limits --------------------------------------------------------------------------------------- 11 3.2. Test Procedure ----------------------------------------------------------------------------------- 11 3.3. Test Setup ---------------------------------------------------------------------------------------- 12 3.4. Test Results -------------------------------------------------------------------------------------- 13 4. Power Line Conducted Emission ------------------------------------------------------------------- 16 4.1. Test Limits --------------------------------------------------------------------------------------- 16 4.2. Test Procedure ----------------------------------------------------------------------------------- 16 4.3. Test Setup ---------------------------------------------------------------------------------------- 16 4.4. Test Results -------------------------------------------------------------------------------------- 16 5. Conducted Maximum Output Power ------------------------------------------------------------- 18 5.1. Test limits ---------------------------------------------------------------------------------------- 18 5.2. Test Procedure ----------------------------------------------------------------------------------- 18 5.3. Test Setup ---------------------------------------------------------------------------------------- 18 5.4. Test Results -------------------------------------------------------------------------------------- 18 6. Power Spectral Density ------------------------------------------------------------------------------- 19 6.1. Test limits ---------------------------------------------------------------------------------------- 19 6.2. Test Procedure ----------------------------------------------------------------------------------- 19 6.3. Test Setup ---------------------------------------------------------------------------------------- 19 6.4. Test Results -------------------------------------------------------------------------------------- 19 7. Bandwidth ----------------------------------------------------------------------------------------------- 20 7.1. Test limits ---------------------------------------------------------------------------------------- 22 7.2. Test Procedure ----------------------------------------------------------------------------------- 22 7.3. Test Setup ---------------------------------------------------------------------------------------- 22 7.4. Test Results -------------------------------------------------------------------------------------- 22 8. Band Edge Check -------------------------------------------------------------------------------------- 25 8.1. Test limits ---------------------------------------------------------------------------------------- 25 8.2. Test Procedure ----------------------------------------------------------------------------------- 25 8.3. Test Setup ---------------------------------------------------------------------------------------- 25 8.4. Test Results -------------------------------------------------------------------------------------- 25 9. Antenna Requirement -------------------------------------------------------------------------------- 34 9.1. Standard Requirement -------------------------------------------------------------------------- 34 9.2. Antenna Connected Construction ------------------------------------------------------------- 34 Page 3 of 35 Report No.: A2012073-C01-R05 9.3. Results -------------------------------------------------------------------------------------------- 34 10. Test Setup Photo --------------------------------------------------------------------------------------- 35 11. Photographs Of The EUT ---------------------------------------------------------------------------- 35 Page 4 of 35 Report No.: A2012073-C01-R05 TEST REPORT DECLARATION Applicant : Shanghai Huace Navigation Technology LTD. Address : 599 Gaojing Road, Building D, Shanghai 2…

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FCC ID: SY4-A02022 Photos of Radiated Emission Test (In Semi Anechoic Chamber 30MHz~1GHz) Photos of Radiated Emission Test (In Semi Anechoic Chamber above 1GHz) FCC ID: SY4-A02022 Photos of Conducted disturbance at mains terminals test