2A2OR-YJW824B-TXStroller remote control

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Co m Ad d Pr o Mo d YJW Pr o We act We an d issu our Sig Na m Title Com mpany: Han dress: Gao oduct Name del Numbe W835A-TX oduct Desc authorize M on our beha declare tha d certificatio ues concern behalf shal nature: me: e: mpany: Hangz ngzhou Yajin Le Village, G e: Stroller re er(s): YJW82 ription: Stro MiCOM Lab alf on all ma at MiCOM L n of equipm ning the app ll have the s Gong zhao Manager Hangzhou hou Yajing Agen ngWei Electr Gaohong Tow mote control 24B-TX, YJW oller remote bs Inc., 575 atters conce Labs Inc. is ment to the r proval applic same effect o YajingWei E gWei Electr nt Auth onic Techno wn, Lin'an D l W-MOTO2.4 control Boulder C o erning the c allowed to f regulatory a cation. Any t as acts of Electronic T ronic Techn horizat ology Co., Ltd istrict, Hangz 4G-TX, YJW ourt, Pleasa certification forward all i agencies as and all acts our own. Technology nology Co. tion d zhou, China W-MT02-TX, anton, Califo of above na information s required a s carried ou Date: Co., Ltd ., Ltd YJW858A-T ornia 94566 amed equip related to t nd to discu ut by MiCOM Jul. 22, 202 TX, 6, USA, to pment. the approva ss any M Labs on 21 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: Title: M of Engineeri l Communic Oakland Mills bia, MD 210 t; Request f D: 2A2OR-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 Tune-up r understand pondence du ents and thi zation is iss ely, ure: Gong zhao anager Hangzho ing Techno cations Com s Road 046 for Confiden YJW824B- Concern, ovisions of t Commissio ublic disclos contain det ation in ope o our comp atic Diagram iagram st onal Descri p Procedure ding that all uring the ce s informatio sued. o ou YajingW logy mmission ntiality -TX the Commis on to withho sure indefin tailed syste ration of th e any and wo m ption e l measurem ertification re on will be av Wei Electron ssion’s rule old the follow nitely. m and equi e equipmen ould give co ment test rep eview proce vailable for nic Techno s Title 47 S wing attach pment desc nt. The publ ompetitors a ports, FCC ess cannot public revi e ology Co., L Sections §0. hment(s) as criptions an ic disclosu r an unfair ad ID label for be granted ew once the Ltd Date: Jul. 2 457 and §0 confidentia d are consi re of these d vantage in mat and as confide n e grant of eq 22, 2021 0.459, we al dered as documents the market . ntial quipment .

Model Difference Declaration To Whom It May Concern, We, Hangzhou YajingWei Electronic Technology Co., Ltd(Stroller remote control) Trademark:N/A; Model Number: YJW824B-TX, YJW-MOTO2.4G-TX, YJW-MT02-TX, YJW858A-TX, YJW835A-TX All model’s the function, software and electric circuit are the same, only with a product color, appearance and model named different. Test sample model: YJW824B-TX. Please contact me if you have any question. Date: Jul. 22, 2021 Name: Gong zhao Title: Manager Signature of applicant:

Annex A External Photos Report No.: HK2107052181-E Page 1 of 3 Report No.: HK2107052181-E Page 2 of 3 Report No.: HK2107052181-E Page 3 of 3

FCC ID LABEL: Ca. 8mm x 10mm Label Location FCC ID: 2A2OR-YJW824B-TX

Annex B Internal Photo Report No.: HK2107052181-E Page 1 of 2 Report No.: HK2107052181-E Page 2 of 2 Antenna

Page 1 of 26 Report No.: HK2107052181-E FCC TEST REPORT Test report On Behalf of Hangzhou YajingWei Electronic Technology Co., Ltd For Stroller remote control Model No.: YJW824B-TX, YJW-MOTO2.4G-TX, YJW-MT02-TX, YJW858A-TX, YJW835A-TX FCC ID: 2A2OR-YJW824B-TX Prepared for : Hangzhou YajingWei Electronic Technology Co., Ltd Gao Le Village, Gaohong Town, Lin'an District, Hangzhou, 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: Jul. 05, 2021 ~ Jul. 12, 2021 Date of Report: Jul. 12, 2021 Report Number: HK2107052181-E Page 2 of 26 Report No.: HK2107052181-E TEST RESULT CERTIFICATION Applicant’s name ................. : Hangzhou YajingWei Electronic Technology Co., Ltd Address ................................. : Gao Le Village, Gaohong Town, Lin'an District, Hangzhou, China Manufacture's Name ............ : Hangzhou YajingWei Electronic Technology Co., Ltd Address ................................. : Gao Le Village, Gaohong Town, Lin'an District, Hangzhou, China Product description Trade Mark: N/A Product name ........................... : Stroller remote control Model and/or type reference : YJW824B-TX, YJW-MOTO2.4G-TX, YJW-MT02-TX, YJW858A-TX, YJW835A-TX 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 ............. : Jul. 05, 2021 ~ Jul. 12, 2021 Date of Issue ........................................... : Jul. 12, 2021 Test Result .............................................. : Pass Testing Engineer : (Gary Qian) Technical Manager : (Eden Hu) Authorized Signatory : (Jason Zhou) Page 3 of 26 Report No.: HK2107052181-E Table of Contents Page 1 . Test Summary 5 1.1 . Test Procedures And Results 5 1.2 . Test Facility 5 1.3 . Measurement Uncertainty 5 2 . General Information 6 2.1 . General Description Of EUT 6 2.2 . Operation of EUT during testing 7 2.3 . Description of Test Setup 8 2.4 . Measurement Instruments List 9 3 . Conducted Emissions Test 10 3.1. Conducted Power Line Emission Limit 10 3.2. Test Setup 10 3.3. Test Procedure 10 3.4. Test Result 11 4. Radiated Emission Test 12 4.1. Radiation Limit 12 4.2. Test Setup 12 4.3. Test Procedure 13 4.4. Test Result 13 5. Band Edge 19 5.1. Limits 19 5.2. Test Procedure 19 5.3. Test Result 20 6. Occupied Bandwidth Measurement 22 6.1. Test Setup 22 6.2. Test Procedure 22 6.3. Measurement Equipment Used 22 6.4. Test Result 22 7. Antenna Requirement 24 8. Photograph of Test 25 9. Photos of the EUT 26 Page 4 of 26 Report No.: HK2107052181-E ** Modified History ** Revision Description Issued Data Remark Revision 1.0 Initial Test Report Release Jul. 12, 2021 Jason Zhou Page 5 of 26 Report No.: HK2107052181-E 1. Test Summary 1.1. Test Procedures And Results DESCRIPTION OF TEST SECTION NUMBERRESULT CONDUCTED EMISSIONS TEST 15.207 N/A RADIATED EMISSION TEST 15.249(a) /15.209 COMPLIANT BAND EDGE 15.249(d)/15.205 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 ： 1-2/F., Building B2, Junfeng Zhongcheng Zhizao Innovation Park, Heping, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China 1.3. Measurement Uncertainty Measurement Uncertainty Conducted Emission Expanded Uncertainty =2.71dB, k=2 Radiated emission expanded uncertainty(9kHz-30MHz) = 3.90dB, k=2 Radiated emission expanded uncertainty(30MHz-1000MHz)= 3.90dB, k=2 Radiated emission expanded uncertainty(Above 1GHz) = 4.28dB, k=2 Page 6 of 26 Report No.: HK2107052181-E 2. General Information 2.1. General Description Of EUT Equipment Stroller remote control Model Name YJW824B-TX Serial Model YJW-MOTO2.4G-TX, YJW-MT02-TX, YJW858A-TX, YJW835A-TX Model Difference All model’s the function, software and electric circuit are the same, only with a product color, appearance and model named different. Test sample model: YJW824B-TX. FCC ID 2A2OR-YJW824B-TX Antenna Type PCB Antenna Antenna Gain 0dBi Operation frequency 2408-2475MHz Number of Channels 68CH Modulation Type GFSK Power Source DC 3V from battery Power Rating DC 3V from battery Page 7 of 26 Report No.: HK2107052181-E 2.1.1. Carrier Frequency of Channels Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) 01 2408 24 2431 47 2454 02 2409 25 2432 48 2455 03 2410 26 2433 49 2456 04 2411 27 2434 50 2457 05 2412 28 2435 51 2458 06 2413 29 2436 52 2459 07 2414 30 2437 53 2460 08 2415 31 2438 54 2461 09 2416 32 2439 55 2462 10 2417 33 2440 56 2463 11 2418 34 2441 57 2464 12 2419 35 2442 58 2465 13 2420 36 2443 59 2466 14 2421 37 2444 60 2467 15 2422 38 2445 61 2468 16 2423 39 2446 62 2469 17 2424 40 2447 63 2470 18 2425 41 2448 64 2471 19 2426 42 2449 65 2472 20 2427 43 2450 66 2473 21 2428 44 2451 67 2474 22 2429 45 2452 68 2475 23 2430 46 2453 2.2. Operation of EUT during testing Operating Mode The mode is used: Transmitting mode Low Channel: 2408MHz Middle Channel: 2440MHz High Channel: 2475MHz Page 8 of 26 Report No.: HK2107052181-E 2.3. Description of Test Setup Operation of EUT during 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 op…

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Test Model：YJW824B-TX Radiated Emission