2AYZQUDUA312.4G RC High Speed Car/Drone/Boat

UD1601UD1602 Important Notice 1/16 Full proportion high-performance 4WD racing car Our company's products are improving all the time,design and specifications are subject to change without notice. All the information in this manual has been carefully checked to ensure accuracy, if any printing errors, our company reserve the final interpretation right. This product is suitable for users over 14 years old. Please read this instruction manual carefully befores use. 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Ɣ,WLVQRUPDOIRUWKHEDWWHU\WRKHDWXSDIWHURSHUDWLRQ3OHDVHEHFDUHIXOZKHQ KDQGOLQJWKHEDWWHU\,IWKHZLUHLVZRUQLWLVHDV\WRVKRUWFLUFXLWDQGFDXVHILUH Ɣ:DVWHGOLLRQEDWWHU\PXVWQRWEHSODFHGZLWKKRXVHKROGWUDVKSOHDVHFRQWDFW local environmental or waste agency or the supplier of your model or your QHDUHVWOLLRQEDWWHU\UHF\FOLQJFHQWHU 1) After use, please disconnect the power supply and pull out the plug; 2) Remove the battery from the model before charging;  '2127FKDUJHWKHEDWWHU\ZKHQLWLVEXOJLQJRUH[SDQGLQJ  .HHSDZD\IURPGDPSFRUURVLYHHQYLURQPHQWDQGKHDWVRXUFH  3OHDVHFKDUJHWKHEDWWHU\XQGHUDGXOWVXSHUYLVLRQ  3D\DWWHQWLRQWRWKHSRODULW\RIWKHEDWWHU\ZKHQLQVWDOOLQJRUUHSODFLQJWKHEDWWHU\  'LIIHUHQWW\SHVRIEDWWHULHVRUROGDQGQHZEDWWHULHVVKRXOGQRWEHPL[HG  '2127VKRUWFLUFXLWDQ\WHUPLQDOV  '2127VKRUWFLUFXLWGHFRPSRVHRUSXWWKHEDWWHU\LQWRILUH  3OHDVHXVHWKHDWWDFKHGVSHFLDOFKDUJHUWRFKDUJHWKHEDWWHU\ Body (Subject to the actual product) Chassis (Subject to the actual product) BATTERY SAFETY Operating Instructions Body (Subject to the actual product) Lithium-ion Battery pack Hexagon nut wrenchHex wrench Cross screwdriver Charger Drift tires Chassis (Subject to the actual product) Transmitter 05 1 1> Body assembly 1601-001 1601-002 1601-003 1603-005 1603-004 1601-011 1601-012 1601-013 1601-014 1601-009 1601-008 1601-016 1601-006 1601-009 1601-010 1601-007 1601-008 Tire Motor 3mm Locknut Headlight group Body clips Front shock tower Rear shock tower Steering servo Rear bumper Battery hold-down Front shock Rear shock Upper chassis Front bumper assembly 2.4GHz Integrated ESC Li-ion Battery Guidance before operation Preparation of remote control model UD1601 Summary 06 Body assembly 1602-001 1601-005 Tire 1601-006 Motor 1601-004 3mm Locknut 1601-003 Headlight group 1601-002 Body clips 1602-008 Front shock tower 1602-008 Rear shock tower 1602-014 Rear bumper 1601-013 Battery hold-down 1601-007 Steering servo 1602-009 Front shock 1602-009 Rear shock 1601-016 Upper chassis 1601-010 Front bumper assembly 1601-011 2.4GHz Integrated ESC 1601-012 Li-ion Battery UD1602 Summary 07 1>-1 1>-2 1) 1) 2) ˶ ˵ Battery charging Remove the body 5HPRYHWKHERG\ 3XOORXWWKH ERG\FOLSV 3XOORXWWKH ERG\FOLSV The battery contains less power when leaving the factory, so it must be charged and saturated before use. Connect the attached charger with the model battery charging input por t, and then connect other USB output por ts. When charging, the charging indicator is flashing, and the indicator is always on after charging. Do not put the battery in the model when charging. The battery must be cooled before charging. Battery input port Li-ion Battery Charg…

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UDIRC TECHNOLOGY CO., LTD. Agent Authorization Company: UDIRC TECHNOLOGY CO., LTD. Address: Guangfeng Industrial Zone, Guangyi Street, Chenghai Distnct, Shantou City, Guangdong Province, CN Product Name: 2.4G RC High Speed Car/Drone/Boat Model Number(s ): UD1601, UD8xx, SG-8xx, UD10xx, SG-10xx, UD12xx, SG-12xx, UD14xx, SG- 14xx, UD16xx, SG-16xx, UD18xx, SG-18xx, UD24xx, SG-24xx, UD28xx, SG-28xx, UD32xx, SG- 32xx, UD35xx, SG-35xx, UD52xx, SG-52xx, UD65xx, SG-65xx, UD76xx,S G-76xx(X=0-9） Product Description: 2.4G RC High Speed Car/Drone/Boat 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: Feb. 25, 2021 Name: Mark Wang Title: Manager Company: UDIRC TECHNOLOGY CO., LTD.

UDIRC TECHNOLOGY CO., LTD. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Feb. 25, 2021 Subject; Request for Confidentiality FCC ID: 2AYZQUDUA31 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 Parts List Operational Description Tune-up Procedure 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: Name: Mark Wang Title: Manager

Model Difference Declaration To Whom It May Concern, We, UDIRC TECHNOLOGY CO., LTD.(2.4G RC High Speed Car/ Drone/Boat); Model Number: UD1601, UD8xx, SG-8xx, UD10xx, SG-10xx, UD12xx, SG-12xx, UD14x x, SG-14xx, UD16xx, SG-16xx, UD18xx, SG-18xx, UD24xx, SG-24xx, UD28xx, SG-28xx, UD32xx, SG-32xx, UD35xx, SG-35xx, UD52xx, SG-52xx, UD65xx, SG-65xx, UD76xx,S G-76xx（X=0-9）; All model’s the function, software and electric circuit are the same, only with a product color and model named different. Test sample model: UD1601. Please contact me if you have any question. Name: Mark Wang Date: Feb. 25, 2021 Title: Manager Signature of applicant:

Annex A External Photos Report No.: HK2012304035‐E Page 1 of 4 Report No.: HK2012304035‐E Page 2 of 4 Report No.: HK2012304035‐E Page 3 of 4 Report No.: HK2012304035‐E Page 4 of 4

Label Location

Annex B Internal Photos Report No.: HK2012304035‐E Page 1 of 3 Report No.: HK2012304035‐E Page 2 of 3 Antenna Report No.: HK2012304035‐E Page 3 of 3

Page 1 of 24 Report No.: HK2012304035-E FCC TEST REPORT Test report On Behalf of UDIRC TECHNOLOGY CO., LTD. For 2.4G RC High Speed Car/Drone/Boat Model No.: UD1601, Please see page 6 for the series model FCC ID: 2AYZQUDUA31 Prepared for : UDIRC TECHNOLOGY CO., LTD. Guangfeng Industrial Zone, Guangyi Street, Chenghai Distnct, Shantou City, Guangdong Province, CN Prepared By : Shenzhen HUAK Testing Technology Co., Ltd. 1F, B2 Building, Junfeng Zhongcheng Zhizao Innovation Park, Fuhai Street, Bao'an District, Shenzhen City, China Date of Test: Jan. 13, 2021 ~ Jan. 20, 2021 Date of Report: Jan. 20, 2021 Report Number: HK2012304035-E Page 2 of 24 Report No.: HK2012304035-E TEST RESULT CERTIFICATION Applicant’s name ................. : UDIRC TECHNOLOGY CO., LTD. Address ................................. : Guangfeng Industrial Zone, Guangyi Street, Chenghai Distnct, Shantou City, Guangdong Province, CN Manufacture's Name ............ : UDIRC TECHNOLOGY CO., LTD. Address ................................. : Guangfeng Industrial Zone, Guangyi Street, Chenghai Distnct, Shantou City, Guangdong Province, CN Product description Trade Mark: N/A Product name ........................... : 2.4G RC High Speed Car/Drone/Boat Model and/or type reference : UD1601, Please see page 6 for the series model Standards ............................. : FCC Rules and Regulations Part 15 Subpart C Section 15.249 ANSI C63.10: 2013 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HUAK Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Date of Test ............................................ : Date (s) of performance of tests ............. : Jan. 13, 2021 ~ Jan. 20, 2021 Date of Issue ........................................... : Jan. 20, 2021 Test Result .............................................. : Pass Testing Engineer : (Gary Qian) Technical Manager : (Eden Hu) Authorized Signatory : (Jason Zhou) Page 3 of 24 Report No.: HK2012304035-E Table of Contents Page 1 . TEST SUMMARY 5 2 . GENERAL INFORMATION 6 2.1 GENERAL DESCRIPTION OF EUT 6 2.2 Carrier Frequency of Channels 7 2.3 Operation of EUT during testing 7 2.4 DESCRIPTION OF TEST SETUP 7 2.5 MEASUREMENT INSTRUMENTS LIST 8 3 . CONDUCTED EMISSIONS TEST 9 3.1 Conducted Power Line Emission Limit 9 3.2 Test Setup 9 3.3 Test Procedure 9 3.4 Test Result 10 4 RADIATED EMISSION TEST 10 4.1 Radiation Limit 10 4.2 Test Setup 10 4.3 Test Procedure 11 4.4 Test Result 11 5 BAND EDGE 17 5.1 Limits 17 5.2 Test Procedure 17 5.3 Test Result 18 6 OCCUPIED BANDWIDTH MEASUREMENT 20 6.1 Test Setup 20 6.2 Test Procedure 20 6.3 Measurement Equipment Used 20 6.4 Test Result 20 7 ANTENNA REQUIREMENT 22 8 PHOTOGRAPH OF TEST 23 8.1 Radiated Emission 23 9 PHOTOS OF THE EUT 24 Page 4 of 24 Report No.: HK2012304035-E ** Modifited History ** Revison Description Issued Data Remark Revsion 1.0 Initial Test Report Release Jan. 20, 2021 Jason Zhou Page 5 of 24 Report No.: HK2012304035-E 1. TEST SUMMARY 1.1 TEST PROCEDURES AND RESULTS DESCRIPTION OF TEST RESULT CONDUCTED EMISSIONS TEST §15.207 N/A RADIATED EMISSION TEST §15.249 (a) / §15.209 COMPLIANT BAND EDGE §15.249 (d)/ §15.209 COMPLIANT OCCUPIED BANDWIDTH MEASUREMENT §15.215 (c) COMPLIANT ANTENNA REQUIREMENT §15.203 COMPLIANT 1.2 TEST FACILITY Te s t F i r m ： Shenzhen HUAK Testing Technology Co., Ltd. Address ： 1F, B2 Building, Junfeng Zhongcheng Zhizao Innovation Park, Fuhai Street, Bao'an District, Shenzhen City, China 1.3 MEASUREMENT UNCERTAINTY Measurement Uncertainty Conducted Emission Expanded Uncertainty =2.23dB, k=2 Radiated emission expanded uncertainty(9kHz-30MHz) = 3.08dB, k=2 Radiated emission expanded uncertainty(30MHz-1000MHz)= 4.42dB, k=2 Radiated emission expanded uncertainty(Above 1GHz) = 4.06dB, k=2 Page 6 of 24 Report No.: HK2012304035-E 2. GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF EUT Equipment 2.4G RC High Speed Car/Drone/Boat Model Name UD1601 Serial Model UD8xx, SG-8xx, UD10xx, SG-10xx, UD12xx, SG-12xx, UD1 4xx, SG-14xx, UD16xx, SG-16xx, UD18xx, SG-18xx, UD24x x, SG-24xx, UD28xx, SG-28xx, UD32xx, SG-32xx, UD35xx, SG-35xx, UD52xx, SG-52xx, UD65xx, SG-65xx, UD76xx,S G-76xx（X=0-9） Model Difference All model’s the function, software and electric circuit are the same, only with a product color and model named different. Test sample model: UD1601 FCC ID 2AYZQUDUA31 Antenna Type Internal Antenna Antenna Gain 2dBi Equipment 2.4G RC High Speed Car/Drone/Boat BT Operation frequency 2445MHz~2467MHz Number of Channels 4CH Modulation Type GFSK Power Source DC 6V from Battery Power Rating DC 6V from Battery Page 7 of 24 Report No.: HK2012304035-E 2.2 Carrier Frequency of Channels Description of Channel: Channel Frequency (MHz) Channel Frequency (MHz) 1 2445 3 2459 2 2452 4 2467 2.3 Operation of EUT during testing Operating Mode The mode is used: Transmitting mode Low Channel: 2445MHz Middle Channel: 2459MHz High Channel: 2467MHz 2.4 DESCRIPTION OF TEST SETUP Operation of EUT during below 1GHz and Above1GHz Radiation testing: The sample was placed (0.8m below 1GHz, 1.5m above 1GHz) above the ground plane of 3m chamber. Measurements in both horizontal and vertical polarities were performed. During the test, each emission was maximized by: having the EUT continuously working, investigated all operating modes, rotated about all 3 axis (X, Y & Z) and considered typical configuration to obtain worst position, manipulating interconnecting cables, rotating the turntable, varying antenna height from 1m to 4m in both horizontal and vertical polarizations. The emissions worst-case are shown in Test Results of the following pages. The worst case is X position EUT Page 8 of 24 Report No.: HK2012304035-E 2.5 MEASUREMENT INSTRUMENTS LI…

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Test Model：UD1601 Radiated Emission