2AJ2H-Y51Control board

Y51Function,PerformanceDescription Powersupply:DC12V5A 1.ProductDescription:Suitableforbuggy.Y51BluetoothRadioBoardisabuggymusicboxwith built-inmusic(bootsound). 2.FunctionalboardssuchasBluetooth,radio,externalspeakerkeys,voltagedisplay,etc. 3.Upthestartingsoundoftheloudspeaker,displaythebatteryvoltagevalueatthesametime, andenterthestandbystate. 4.PresstheMODEmodekeytogotoBluetoothmode,withvoiceprompt,connectyourmobile phonetoBluetoothpairing,andplayyourmobilemusicaftersuccessfulpairingwithyourmobile phone. 5.MODEmodekey,radiomode,voiceprompt,longpresspausekeytoenterautomaticsearch andmemoryradiostation,pressupanddownkeytoselectradiostationaftercompletion. 6.Externalspeakerkeys,pressthespeaker,releaseyourhandandcontinueplayingmusicor radio. 7.Whenyoupresstheupkey,playBluetoothorplayBluetoothormusic,shortpresstheprevious song(radiopreviousstation)andlongpressthevolumetodecrease. 8.Pressthepausekeytopause/playswitch(longpressforautomaticsearchformemoryradio). 9.Pressthedownbutton,whileplayingBluetooth,shortpressonesong(theradioisthenext station)andlongpresstoincreasethevolume. 10.2-wireoutletCN3:forpower12Vconnection. 11.6-wireoutletCN1:connectthespeaker,externalspeakerkeys,FM. FCC Warning Statement Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, 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: ‐‐ 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. 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, including interference that may cause undesired operation. RF Exposure Statement To maintain compliance with FCC's RF Exposure guidelines, This equipment should be installed and operated with minimum distance of 20cm the radiator your body. This device and its antenna(s) must not be co-located or operation in conjunction with any other antenna or transmitter

Co m Ad d Pr o Mo d Pr o We act We an d issu our Sig Na m Title Com mpany: PIN dress: NO.8 oduct Name del Numbe oduct Desc authorize M on our beha declare tha d certificatio ues concern behalf shal nature: me: e: mpany: NGHU WEL 8 Jinhui Ro e: Control b er(s): Y51, Y ription: Co MiCOM Lab alf on all ma at MiCOM L n of equipm ning the app ll have the s BIAOJUN General m PINGHU W PINGHU W Agen LLYE ELEC oad, Xingca board Y13, Y31, Y ontrol board bs Inc., 575 atters conce Labs Inc. is ment to the r proval applic same effect YAO manager WELLYE E WELLYE ELE nt Auth CTRICAL C ang Town, Y26 d Boulder C o erning the c allowed to f regulatory a cation. Any t as acts of LECTRICA ECTRICAL horizat O.,LTD Pinghu, C ourt, Pleasa certification forward all i agencies as and all acts our own. AL CO.,LTD CO.,LTD tion hina anton, Califo of above na information s required a s carried ou Date: D ornia 94566 amed equip related to t nd to discu ut by MiCOM June 30, 20 6, USA, to pment. the approva ss any M Labs on 022 al

Office o Federa 7435 O Columb USA Subjec t FCC ID To Wh o Pursua are req u docume These d propriet might b It is ou r corresp docume authoriz Sincer e Signat u Name: B Title: G of Engineeri l Communic Oakland Mills bia, MD 210 t; Request f D: 2AJ2H-Y om It May C nt to the pro uesting the ents from pu documents tary informa be harmful to Schema Block D Parts Lis Operatio r understand pondence du ents and thi zation is iss ely, ure: BIAOJUN General Man PIN ing Techno cations Com s Road 046 for Confiden Y51 Concern, ovisions of t Commissio ublic disclos contain det ation in ope o our comp atic Diagram iagram st onal Descri ding that all uring the ce s informatio sued. YAO nager GHU WEL logy mmission ntiality the Commis on to withho sure indefin tailed syste ration of th e any and wo m ption l measurem ertification re on will be av LLYE ELEC ssion’s rule old the follow nitely. m and equi e equipmen ould give co ment test rep eview proce vailable for CTRICAL C s Title 47 S wing attach pment desc nt. The publ ompetitors a ports, FCC ess cannot public revi e CO.,LTD Sections §0. hment(s) as criptions an ic disclosu r an unfair ad ID label for be granted ew once the Date: June 457 and §0 confidentia d are consi re of these d vantage in mat and as confide n e grant of eq e 30, 2022 0.459, we al dered as documents the market . ntial quipment .

Model Difference Declaration To Whom It May Concern, We, PINGHU WELLYE ELECTRICAL CO.,LTD(Control board) Trademark:N/A; Model Number:Y51, Y13, Y31, Y26;All model’s the function, software and electric circuit are the same, only with a product color and model named different. Tes t sample model: Y51. Please contact me if you have any question. Name: BIAOJUN YAO Date: June 30, 2022 Title: General Manager Signature of applicant:

Annex A External Photos Report No.:HK2206232705-E Page 1 of 3 Report No.:HK2206232705-E Page 2 of 3 Report No.:HK2206232705-E Page 3 of 3

FCC ID LABEL: Ca. 5mm x 10mm Label Location FCC ID: 2AJ2H‐Y51

Annex B Internal Photo Report No.:HK2206232705-E Page 1 of 3 Antenna Report No.:HK2206232705-E Page 2 of 3 Report No.:HK2206232705-E Page 3 of 3

MPE ESTIMATION FCC ID: 2AJ2H-Y51 1,Limit for General Population/ Uncontrolled Exposures Frequency Power density (mW/ cm 2 ) Averaging time(minutes) 300MHz----1.5GHz F/1500 30 1.5GHz---100GHz 1.0 30 Note: F= Frequency in MHz 2, Estimation Result Mode Max PK Output power(dBm) Tune Up Power(dBm) Max Tune Up power(mW) Antenna Gain(dBi) Antenna Gain (numerical) MPE ( mW/cm²) EDR -5.17 -6±1(-5) 0.32 0 1 0.00006 Note: Note: The estimation distance is 20cm Note: PK Output power= conducted power. Conducted power see the test report HK2206232705-E, antenna gain=0dBi when the minimum test separation distance is >20 cm, a distance of 20 cm is applied to determine RF Exposure test exclusion. The test exclusion threshold is 0.00006 mW/cm² which is< 1.0mW/cm², RF Exposure testing is not required. -------The End-------

Page 1 of 45 Report No.: HK2206232705-E TEST REPORT FCC PART 15 SUBPART C 15.247 Test report On Behalf of PINGHU WELLYE ELECTRICAL CO.,LTD For Control board Model No.: Y51, Y13, Y31, Y26 FCC ID: 2AJ2H-Y51 Prepared for : PINGHU WELLYE ELECTRICAL CO.,LTD NO.8 Jinhui Road, Xingcang Town, Pinghu, China Prepared By : Shenzhen HUAK Testing Technology Co., Ltd. 1-2/F., Building B2, Junfeng Zhongcheng Zhizao Innovation Park, Heping, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Date of Test: June 21, 2022 ~ June 28, 2022 Date of Report: June 28, 2022 Report Number: HK2206232705-E Page 2 of 45 Report No.: HK2206232705-E TEST RESULT CERTIFICATION Applicant’s name ................. : PINGHU WELLYE ELECTRICAL CO.,LTD Address ................................. : NO.8 Jinhui Road, Xingcang Town, Pinghu, China Manufacture's Name ............ : PINGHU WELLYE ELECTRICAL CO.,LTD Address ................................. : NO.8 Jinhui Road, Xingcang Town, Pinghu, China Product description Trade Mark: N/A Product name ........................... : Control board Model and/or type reference : Y51, Y13, Y31, Y26 Standards ............................. : 47 CFR FCC Part 15 Subpart C 15.247 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 ............. : June 21, 2022 ~ June 28, 2022 Date of Issue ........................................... : June 28, 2022 Test Result ............................................... : Pass Prepared by: Project Engineer Reviewed by: Project Supervisor Approved by: Technical Director Page 3 of 45 Report No.: HK2206232705-E Table of Contents Page 1. SUMMARY............................................................................................................................................................ 5 1.1. TEST STANDARDS ..................................................................................................................................................... 5 1.2. TEST DESCRIPTION ........................................................................................................................................................ 5 1.3. INFORMATION OF THE TEST LABORATORY ......................................................................................................................... 6 1.4. STATEMENT OF THE MEASUREMENT UNCERTAINTY ............................................................................................................... 6 2. GENERAL INFORMATION ....................................................................................................................................... 7 2.1. ENVIRONMENTAL CONDITIONS ........................................................................................................................................ 7 2.2. GENERAL DESCRIPTION OF EUT ...................................................................................................................................... 7 2.3. DESCRIPTION OF TEST MODES AND TEST FREQUENCY .......................................................................................................... 8 2.4. EQUIPMENTS USED DURING THE TEST .............................................................................................................................. 9 2.5. RELATED SUBMITTAL(S) / GRANT (S) .............................................................................................................................. 10 2.6. MODIFICATIONS ......................................................................................................................................................... 10 2.7. DESCRIPTION OF TEST SETUP ................................................................................................................................ 10 3. TEST CONDITIONS AND RESULTS ......................................................................................................................... 11 3.1. CONDUCTED EMISSIONS TEST ....................................................................................................................................... 11 3.2. RADIATED EMISSIONS AND BAND EDGE .......................................................................................................................... 13 3.3. MAXIMUM PEAK CONDUCTED OUTPUT POWER ............................................................................................................... 24 3.4. 20DB BANDWIDTH ..................................................................................................................................................... 25 3.5. FREQUENCY SEPARATION ............................................................................................................................................. 28 3.6. NUMBER OF HOPPING FREQUENCY ................................................................................................................................. 30 3.7. TIME OF OCCUPANCY (DWELL TIME) .............................................................................................................................. 32 3.8. OUT‐OF‐BAND EMISSIONS ........................................................................................................................................... 35 3.9. PSEUDORANDOM FREQUENCY HOPPING SEQUENCE .......................................................................................................... 42 3.10. ANTENNA REQUIREMENT......................................................................................................…

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Radiated Emissions