2BXXF-G4XULTRAElectric Skateboard & Controller

1 UserManual All-TerrainElectricSkateboardG4XUltra Version：2025.04 2 ImportantNotice Electricskateboardingisanextremesportwithinherentrisks.Electric skateboardsarenotdesignedwithprotectivestructures,andusers arehighlylikelytoencountersafetyaccidentsduringuse.Therefore, beforeusingtheproduct,youmustcarefullyreadthisusermanual andkeepitinasafeplaceforfuturereference. Ourcompanyonlyprovidestheskateboardproduct.Youmust ensurethatyouusethisproductsafely,reasonably,andin compliancewithapplicablelaws,andyouassumefullresponsibility foryourownmannerofuse. 3 TableofContents UserInstructions---------------------------------------------------------4 Pre-RideChecklist------------------------------------------------------10 MainBodyFunctionsoftheSkateboard-----------------------------11 MainBodyFunctionsoftheRemoteController---------------------14 VehicleMaintenance&PartsReplacement--------------------------23 Warranty----------------------------------------------------------------28 PackingList-------------------------------------------------------------30 CommonTroubleshooting--------------------------------------------31 BrandStory-------------------------------------------------------------32 After-SalesSupportforSkateboard----------------------------------33 4 Risks Electricskateboardinghasinherentrisks.Theskateboardprovidesno protectivestructure.Wecannotpredictorcontrolhowyouuseitor preventaccidents.Anyaccidentmaycauseinjuryordeath. Theseriskscannotbeavoided,butyoucanreducethem: •Stayawayfromcrowds,vehicles,uneventerrain,andobstacles whenpracticing. •Buildyourskillsstepbystep. •Learnhowtheskateboardworksanditslimits. •Ridewithinyourability. •Donotletotherspressureyouintouncomfortableriding. •Considertime,location,weather,andterrain. •Wearproperprotectivegear. •Donotrideiftheskateboardisdamaged(oryoususpectitis). •Read,understand,remember,andthinkaboutallinformation inthismanual. Thisskateboardisdifferentfromotherelectricandnon-electricones. Evenexperiencedridersshouldbeascautiousasbeginnersonfirst use.Taketimetolearnhowtouseitproperly. Legality Youareresponsibleforknowingandfollowinglocallawson skateboarduse.Anyillegaluseandresultingincidentsaresolelyyour responsibility,notours. ProtectiveGear Choosegearbasedonyourridingstyleandpurpose. •Streetcruising: Atleasthelmet,gloves,elbowpads,kneepads,andclosed-toe UserInstructions 5 shoes.Availableatskateshops. •Off-road,extreme,freestyle,orjumping: Atleastfull-facehelmet,goggles,full-fingergloves,neckbrace, fullbodyarmorwithbacksupport,legprotection,and supportivebootswithanklesupport.Availableatmotorcycleor mountainbikeshops. Inbothcases,yourgearshouldmeetcurrentsafetystandards (especiallyyourhelmet),fitproperly,beundamaged,andbeworn correctlywhileriding. RoadRidingSafety Note: Inmanycountries/regions,ridingelectricskateboardsonpublic roadsorsidewalksisillegal.Youareresponsibleforcheckingand followinglocallaws. Ifridingisallowedinpublicareas: •Obeytrafficlawsandroadsigns. •Wearproperprotectivegear. •Atintersections,stopandcheckbothwaysbeforecrossing. •Stayalertanddefensive-assumeothersdon'tseeyou. •Usehandsignalswhenturning(likeonabike). •Keepdistancefromparkedcarstoavoidsuddenlyopened doors. •Donotrideafterdrinkingortakingdrugs. Note： Wecannotforceyoutowearprotectivegearorpredicthow youride. Ensuringyouwearpropergearisentirelyyourpersonal responsibility. Failuretowearsuitablegearmayresultininjury,paralysis,or death. 6 •Donotrideinwetconditionsorlowvisibility(dawn,dusk, night,fog,orwhentired). •Donotcarrypassengers. •Donotcarryanythingthatblocksyourview,limitscontrol,or couldgetcaughtinwheels. •Donotwearheadphones.Stayawareofyoursurroundings. •Avoidcrowdedtrafficorpedestrianareas. •Donotholdontomovingvehicles. •Yieldtoothervehiclesevenifyouhavetherightofway.Ina crashwithavehicle,youwillbehurt. •Donotattemptjumpsorstuntsunlessyouaccepttherisks andhavereadpages4–9. Off-RoadRidingSafety Off-roadridingismoreunpredictableandriskythanstreetriding. Startonflat,opengroundandbuildskillsgradually. •Wearproperprotectivegear. •Donotridealoneinremoteareas.Ifyougoalone,tell someoneyourdestinationandreturntime. •CarryIDincaseofaccident. •Bringwaterandsomeemergencycash. •Yieldtoanimalsandkeepasafedistanceincasetheyact suddenly. •Donotattemptstuntsorjumpsuntilfullyskilled.Ifyoumust, firstsurveytheterrain:groundconditions,traction,slopes, obstacles,andholes. Note： Protecttheenvironmentandfollowlocalrules.Donot over-rideandcausesoilerosion.Donotcutthrough vegetation.Takeallyourbelongingswhenleaving.Sharetrails withhikersandcyclists—respecttheirrights. 7 RidingEnvironment 01RidinginWetConditions Theskateboardiswater-resistant,notwaterproof.Itcanhandle splashesordampsurfaces,butnotsubmersion,mud,orrain.Donot letwaterpoolonthedeck.Westronglyadviseagainstridinginrain. Toslowdownandstopsafelyinwetconditions:rideslowly,and brakeearlierandmoregentlythanondryground. 02RidinginLowVisibility Lowvisibility(night,dawn,dusk,fog)ismuchmoredangerousthan clearconditions. Ifyouaccepttheaddedrisk: •Followlocallawsonlow-visibilityriding. •Inadditiontotheboard’slight,useabattery-poweredlight (helmet/body,oraflashinglight). •Wearlight-coloredorreflectiveclothing(e.g.,high-visvest). •Rideslowerthaninclearconditions.Pickfamiliarroutesif possible. •Donotrideincongestedareas. •Donotrideindarkplaceswithoutotherlightsources (moonlightdoesn’tcount). 03Jumping,Stunts&Freeriding Westronglyadviseagainstjumps,extremeriding,orfreeriding. Theseareverydangerousandlikelytocauseinjury. Warning： Onwetsurfaces,tiregripdecreasesforbothyourskateboard andnearbyvehicles.Thisgreatlyincreasestheriskofwheel slipduringbrakingandmakestheskateboardharderto control. 8 Ifyouchoosetodothem,youaccepttherisksofinjury,paralysis,or death,andassumeallresponsibility. Wedonotrecommendthis.Butifyouinsist,atleast: •Learnslowly,practicerepeatedly,andbuildskillsstepbystep. •Onlyjumpordostuntsindesignatedareas. •Rideslowlyonfamiliarroutes(walkthemfirstifneeded). •Wearpropergear:full-facehelmet,full-fingergloves,armor withneckandback…

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BajaBoard Technology (Chengdu) Co., Ltd 308, 3rd Floor, Unit 1, Building 1, No. 809 Jiuligeng Road, Huayang Street, Tianfu New Area, Sichuan Province, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2026/09/07 U.S. Agent Designation BajaBoard Technology (Chengdu) Co., Ltd acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2BXXF-G4XULTRA): Name and company of U.S. agent: Bridgeport Advisory LLC Physical U.S. address of agent: 3330 W 38TH PL CHICAGO, IL 60632 United States FRN of U.S. agent: 0037566148 Phone of U.S. agent: (708) 680-6688 Email address of U.S. agent: [email protected] Bridgeport Advisory LLC acknowledges their obligation to accept service of process on behalf of BajaBoard Technology (Chengdu) Co., Ltd with the FRN [0038825824] accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. An expiration date for this letter does not exist. Sincerely, Signature Zhang Guoyan Manager BajaBoard Technology (Chengdu) Co., Ltd Signature Yong Liu Managing Member Bridgeport Advisory LLC 48_[mo del] US_Agent_2.911(d)(7) - U, V0 5

FCC ID: 2BXXF-G4XULTRA External Photos of the EUT FCC ID: 2BXXF-G4XULTRA FCC ID: 2BXXF-G4XULTRA

Label and Location Size: L: 2.1cm*W: 1.0cm FCC ID: 2BXXF-G4XULTRA Label and Location

FCC ID: 2BXXF-G4XULTRA Internal Photos of the EUT FCC ID: 2BXXF-G4XULTRA Antenna FCC ID: 2BXXF-G4XULTRA

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao'an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao'an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn RF Exposure evaluation Report Reference No. .................... : FCC ID. ........................................... : CTA26080301002 2BXXF-G4XULTRA Compiled by ( position+printed name+signature) . : File administrators Zoey Cao Supervised by ( position+printed name+signature) . : Project Engineer Ace Chai Approved by ( position+printed name+signature) . : RF Manager Eric Wang Date of issue .................................... : Aug. 17, 2026 Testing Laboratory Name ............. : Shenzhen CTA Testing Technology Co., Ltd. Address ........................................... : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao'an District, Shenzhen, China Applicant’s name ........................... : BajaBoard Technology (Chengdu) Co., Ltd Address ........................................... : 308, 3rd Floor, Unit 1, Building 1, No. 809 Jiuligeng Road, Huayang Street, Tianfu New Area, Sichuan Province, China Standard .......................................... : 47CFR §1.1310 47CFR §2.1093 KDB447498 D01 General RF Exposure Guidance v06 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA 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. Test item description ..................... : Electric Skateboard & Controller Trade Mark ....................................... : N/A Manufacturer .................................... : BajaBoard Technology (Chengdu) Co., Ltd Model/Type reference ...................... : G4X Ultra Listed Models ................................... : G4X, ATRAX Ratings ............................................. : Input: DC 5V Battery: 3.7V 800mAh 2.96Wh Result ............................................... : PASS Report No.: CTA26080301002 Page 2 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao'an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : Electric Skateboard & Controller Model /Type : G4X Ultra Listed Models : G4X, ATRAX Model Difference : Transmitter (remote control) PCB board, circuit, structure and internal of these model(s) are the same, Only model number and receiver (toy car) are different for these models. The detailed information refer to product photos Risk Assessment and Test Coverage Statement : According to FCC standards, FCC ID certification only requires testing the Transmitter part of the product, not the receiver part. Referring to the product photos, For the main test and Listed models. The transmitter is the same, so the test results for the main test can cover the Listed models Applicant : BajaBoard Technology (Chengdu) Co., Ltd Address : 308, 3rd Floor, Unit 1, Building 1, No. 809 Jiuligeng Road, Huayang Street, Tianfu New Area, Sichuan Province, China Manufacturer : BajaBoard Technology (Chengdu) Co., Ltd Address : 308, 3rd Floor, Unit 1, Building 1, No. 809 Jiuligeng Road, Huayang Street, Tianfu New Area, Sichuan Province, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA26080301002 Page 3 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao'an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 TEST STANDARDS ............................................................................................................ 4 2 SUMMARY .......................................................................................................................... 5 2.1 General Remarks ..................................................................................................... 5 2.2 Product Description ................................................................................................. 5 2.3 Special Accessories ................................................................................................. 5 2.4 Modifications ............................................................................................................ 5 3 TEST ENVIRONMENT ....................................................................................................... 6 3.1 Address of the test laboratory .................................................................................. 6 3.2 Test Facility .............................................................................................................. 6 3.3 Statement of the measurement uncertainty ............................................................. 6 4 Test limit .............................................................................................................................. 7 4.1 Requirement ............................................................................................................ 7 4.2 Conducted Power Results ....................................................................................... 7 4.3 Manufacturing tolerance ..........................................................................…

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1. Antenna Description: Antenna type PIFA antenna Model G4X UItra Frequency range 2404-2474MHz Manufacturer BajaBoard Technology (Chengdu) Co., Ltd Address 308, 3rd Floor, Unit 1, Building 1, No. 809 Jiuligeng Road, Huayang Street, Tianfu New Area, Sichuan Province, China ANT Peak Gain 0.48 dBi 2. Antenna Photo: 3. Test Equipment & Conditions 3.1 Test instrument VSWR is tested using Agilent E5071B connected to a hand mechanism, and the status is free space. 3.2 Test environment and methods 4．Antenna Radiation Pattern 2400MHz 2450MHz 2500MHz

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao'an District, Shenzhen, China TEST REPORT FCC Rules and Regulations Part PART 15.249 Report Reference No..............: CTA26080301001 FCC ID...................................: 2BXXF-G4XULTRA Compiled by ( position+printed name+signature ... : File administrators Zoey Cao Supervised by ( position+printed name+signature ... : Project Engineer Ace Chai Approved by ( position+printed name+signature ... : RF Manager Eric Wang Date of issue .................................... : Aug. 17, 2026 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address ............................................ : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao'an District, Shenzhen, China Applicant’s name ............................ : BajaBoard Technology (Chengdu) Co., Ltd Address ............................................ : 308, 3rd Floor, Unit 1, Building 1, No. 809 Jiuligeng Road, Huayang Street, Tianfu New Area, Sichuan Province, China Standard ........................................... : FCC Rules and Regulations PART 15.249 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA 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. Test item description ..................... : Electric Skateboard & Controller Trade Mark ....................................... : N/A Manufacturer .................................... : BajaBoard Technology (Chengdu) Co., Ltd Model/Type reference ...................... : G4X Ultra Listed Models .................................. : G4X, ATRAX Modulation ....................................... : GFSK Frequency ......................................... 2404-2474MHz Ratings ............................................. : Input: DC 5V Battery: 3.7V 800mAh 2.96Wh Result ............................................... : PASS Report No.: CTA26080301001 Page 2 of 37 T E S T R E P O R T Equipment under Test : Electric Skateboard & Controller Model /Type : G4X Ultra Listed Models : G4X, ATRAX Model Difference : Transmitter (remote control) PCB board, circuit, structure and internal of these model(s) are the same, Only model number and receiver (toy car) are different for these models. The detailed information refer to product photos Risk Assessment and Test Coverage Statement : According to FCC standards, FCC ID certification only requires testing the Transmitter part of the product, not the receiver part. Referring to the product photos, For the main test and Listed models. The transmitter is the same, so the test results for the main test can cover the Listed models Applicant : BajaBoard Technology (Chengdu) Co., Ltd Address : 308, 3rd Floor, Unit 1, Building 1, No. 809 Jiuligeng Road, Huayang Street, Tianfu New Area, Sichuan Province, China Manufacturer : BajaBoard Technology (Chengdu) Co., Ltd Address : 308, 3rd Floor, Unit 1, Building 1, No. 809 Jiuligeng Road, Huayang Street, Tianfu New Area, Sichuan Province, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA26080301001 Page 3 of 37 Contents 1. 0BT E S T S T A N D A R D S ................................................................. 4 2. 1BS U M M A R Y ............................................................................ 5 2.1. General Remarks 5 2.2. 7BProduct Description 5 2.3. 8BEquipment Under Test 5 2.4. 9BShort description of the Equipment under Test (EUT) 5 2.5. EUT configuration 5 2.6. 10BEUT operation mode 6 2.7. 11BBlock Diagram of Test Setup 6 2.8. Modifications 6 3. 2BT E S T E N V I R O N M E N T .............................................................. 7 3.1. Address of the test laboratory 7 3.2. Test Facility 7 3.3. 17BEnvironmental conditions 7 3.4. 18BSummary of measurement results 8 3.5. Statement of the measurement uncertainty 8 3.6. 20BEquipments Used during the Test 9 4. 3BT E S T C O N D I T I O N S A N D R E S U L T S ........................................... 11 4.1. 21BAC Power Conducted Emission ................................................................................... 11 4.2. Radiated Emission and Band Edges ............................................................................ 14 4.3. 20dB Bandwidth Measurement .................................................................................... 21 4.4. Emissions at Restricted Band....................................................................................... 23 4.5. On Time and Duty Cycle .............................................................................................. 27 4.6. 31BAntenna Requirement ................................................................................................... 29 5. 4BT E S T S E T U P P H O T O S O F T H E E U T .......................................... 30 6. 4BT E S T P H O T O S O F T H E E U T .................................................... 32 Report No.: CTA26080301001 Page 4 of 37 1. 0BT E S T S T A N D A R D S The tests were performed according to following standards: FCC Rules Part 15.249: Operation within the bands 902 - 928 MHz, 2400 - 2483.5 MHz, 5725 - 5875 MHz, and 24.0 - 24.25 GHz. ANSI C63.10-2020+Cor. 1-2023+C63.10a-2024 + Errata to C63.10a-2024: American National Standard for Testing Unlicensed Wireless Devices Report No.: CTA26080301001 Page 5 of 37 2. 1BSU M M A R Y 2.1. General Remarks Date of receipt of test sample : A…

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FCC ID: 2BXXF-G4XULTRA Test Setup Photos of the EUT FCC ID: 2BXXF-G4XULTRA