2BSTJ-LCDSmart AI Backpack

屏掌控(LedArt)APP说明书-LCD版 1 目录 第一章概述Overview..............................................................................................................2 第二章APP安装与卸载APPInstallationandUninstallation.................................................3 1.屏掌控安装InstallationofPingzhangkong(LedArt)..................................................3 2.屏掌控卸载UninstallationofPingzhangkong(LedArt).............................................4 第三章节目编辑与发送ProgramEditingandSending........................................................4 1.Wi-Fi连接（寻机）Wi-FiConnection(DeviceDiscovery)............................................4 2.新建节目CreateaNewProgram....................................................................................6 3.添加视频AddVideo.........................................................................................................6 4.添加图片AddImage.........................................................................................................7 4.编辑文本EditText.............................................................................................................7 5.时间显示TimeDisplay......................................................................................................8 6.图层叠加LayerOverlay....................................................................................................9 7.节目播控设置ProgramPlaybackControlSettings.....................................................10 8.节目发送ProgramSending...........................................................................................10 9.遥控器RemoteControl..................................................................................................11 10.时间校正TimeCorrection............................................................................................12 11.设备锁ProgramEditingandSending.............................................................................13 14.其他设置OtherSettings.................................................................................................14 屏掌控(LedArt)APP说明书-LCD版 2 第一章概述 Overview 目前显示屏控制系统行业都是采用基于电脑的控制软件来进行操控，每个工 程项目现场都需要另带电脑调试，非常不方便。而智能手机已经成为所有人随身 携带的电子产品，基于手机的显示屏控软件已经成为行业急切的需求。 Atpresent,thedisplaycontrolsystemindustryuniversallyadopts computer-basedcontrolsoftwareforoperation.Eachengineeringprojectsite requiresanadditionalcomputerfordebugging,whichisveryinconvenient. However,smartphoneshavebecomeelectronicdevicesthateveryonecarries withthem.Therefore,displaycontrolsoftwarebasedonmobilephoneshas becomeanurgentdemandintheindustry. 屏掌控（ LedArt ） APP 安装到手机或者平板电脑后，即可通过 Wi-Fi 控制背 包 LCD 显示屏。 AfterinstallingthePingzhangkong(LedArt)APPonamobilephoneor tablet,youcancontrolthebackpackLCDdisplayviaWi-Fi. 屏掌控(LedArt)APP说明书-LCD版 3 第二章 APP 安装与卸载 APPInstallation andUninstallation 1. 屏掌控安装InstallationofPingzhangkong(LedArt) 1）用户可以通过扫描二维码进入官网下载。 UserscanscantheQRcodetoaccesstheofficialwebsiteanddownload(theapp). 2）用户也可以在各大应用商店搜索“屏掌控”下载，如华为、小米、OPPO、 VIVO、腾讯应用宝等。 下载APP到手机后，默认安装即可。 Userscanalsosearchfor"Pingzhangkong"inmajorappstorestodownloadtheapp, suchasHuaweiAppGallery,XiaomiGetApps,OPPOSoftwareStore,VIVOAppStore, TencentMyApp,etc. Afterdownloadingtheapptoyourmobilephone,justinstallitwiththedefault settings. 屏掌控(LedArt)APP说明书-LCD版 4 2.屏掌控卸载UninstallationofPingzhangkong(LedArt) 在手机界面长按“屏掌控”图标，直到出现“删除”图标，直接拖到“删除” 即可。 Onthephoneinterface,long-pressthe"Pingzhangkong(LedArt)"iconuntilthe "Uninstall"iconappears,thendragtheappicondirectlyto"Uninstall"tocomplete theprocess. 第三章节目编辑与发送ProgramEditing andSending 1.Wi-Fi连接（寻机）Wi-FiConnection(DeviceDiscovery) 方法1：手机以及背包连接同一无线局域网 Method1:Connectthemobilephoneandthebackpacktothesamewireless localareanetwork(WLAN). 方法二： M10 开启 WiFi 热点 Method2:EnabletheWiFihotspotontheM10 屏掌控(LedArt)APP说明书-LCD版 5 按遥控器上的菜单键，选择 Wi-Fi 热点，开启 Wi-Fi 热点。 Pressthemenubuttonontheremotecontrol,selecttheWi-Fihotspot,andenable theWi-Fihotspot. 注：如果使用网线接局域网，请忽略这一步。 Note:IfyouareusinganEthernetcabletoconnecttothelocalareanetwork, pleaseskipthisstep. 2 ） Wi-Fi 连接 Wi-FiConnection 打开“屏掌控”，选择“设备”模块，点击“寻机”，然后连接对应的 Wi-Fi 热 点即可。如下图 Open"LEDart",selectthe"Device"module,click"DeviceSearch",andthenconnect tothecorrespondingWi-Fihotspot.Asshowninthefigurebelow. 也可以在手机的“设置”的 WLAN 里连接 Wi-Fi 热点。 YoucanalsoconnecttotheWi-FihotspotintheWLANsectionofyourphone's "Settings". 屏掌控(LedArt)APP说明书-LCD版 6 2.新建节目CreateaNewProgram 选择“节目”模块，点击“新建显示屏”，自动搜索在线的控制器，选中某一控 制器，默认回读控制器的屏幕大小，点击“确定”即可。 Selectthe"Program"module,click"CreateNewDisplay",anditwillautomatically searchforonlinecontrollers.Selectacontroller,whichwillautomaticallyreadback thescreensizeofthecontrollerbydefault,andclick"Confirm". 如无在线控制器，可以离线编辑，屏幕宽高自定义。 Iftherearenoonlinecontrollers,youcaneditofflineandcustomizethescreenwidth andheight. 3. 添加视频AddVideo 进入节目编辑界面后，点击右边“+”，可以添加视频区域，然后在模拟显示区 拉大视频区域，接着点击下方的“+”即可添加多个视频，视频与视频之间是循 环播放的。 Afterenteringtheprogrameditinginterface,clickthe"+"iconontherighttoadda videoarea.Then,resizethevideoareabydraggingitlargerinthesimulationdisplay area.Next,clickthe"+"iconbelowtoaddmultiplevideos—thesevideoswillplayin aloop. 屏掌控(LedArt)APP说明书-LCD版 7 4.添加图片AddImage 与视频类似，点击右边“+”，添加图片区域，然后在模拟显示区拉大图片区域， 接着点击下方的“+”即可添加多个图片，图片与图片之间是循环播放的。 Similartoaddingavideo,clickthe"+"iconontherighttoaddanimagearea.Then, resizetheimageareabydraggingitlargerinthesimulationdisplayarea.Next,click the"+"iconbelowtoaddmultipleimages—theseimageswillplayinaloop. 添加好图片之后，在图片列表的下方，可以修改图片显示时长、动画特效和显示 特效等。 Afteraddingtheimages,youcanmodifysettingssuchastheimagedisplayduration, animationeffects,anddisplayeffectsatthebottomoftheimagelist. 4. 编辑文本EditText 点击右边“+”，添加文本区域，然后在模拟显示区拉大文本区域，接着在下方 的文本输入框输入需要播放的文字即可。 Clickthe"+"iconontherighttoaddatextarea.Then,resizethetextareaby 屏掌控(LedArt)APP说明书-LCD版 8 draggingitlargerinthesimulationdisplayarea.Next,enterthetextyouwanttoplay inthetextinputboxbelow. 在文本输入框的下方，可修改字体类型/大小/颜色、文字显示时长、动画特效和 背景颜色（向上滑动可看到）等。 Belowthetextinputbox,youcanmodifysettingssuchasfonttype/size/color,text displayduration,animationeffects,andbackgroundcolor(scrolluptoviewthis option). 5.时间显示TimeDisplay 点击右边“+”，添加时钟区域，然后在模拟显示区拉大时钟区…

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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............................................. : CTA25102700504 2BSTJ-LCD 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 .................................... : Oct. 31, 2025 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 ............................ : Shenzhen Libai Leather Goods Co., Ltd. Address............................................ : Building B13, Fengye 5th Road, Fenghuang No.1 Industrial Zone, Fuyong Sub-district, Bao'an District, Shenzhen City, Guangdong 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 purpses 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 ..................... : Smart AI Backpack Trade Mark ........................................ N/A Manufacturer .................................... : Shenzhen Libai Leather Goods Co., Ltd. Model/Type reference ...................... : 21.5-inch LCD Screen Casting Backpack Listed Models ................................... : Refer to page 2 Rating ............................................... : DC 12.0V From external circuit Result ............................................... : PASS Report No.: CTA25102700504 Page 2 of 9 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 : Smart AI Backpack Model /Type : 21.5-inch LCD Screen Casting Backpack Listed Models : BM106, BM116, BM121a, BM121b, BM133, BM150, BM156a, BM156b, BM185, BM215, BM320, BM215w, BM238w, BM270w, BM320w Model difference : The PCB board, circuit, structure and internal of these models are the same, Only model number and colour is different for these model. Applicant : Shenzhen Libai Leather Goods Co., Ltd. Address : Building B13, Fengye 5th Road, Fenghuang No.1 Industrial Zone, Fuyong Sub-district, Bao'an District, Shenzhen City, Guangdong Province, China Manufacturer : Shenzhen Libai Leather Goods Co., Ltd. Address : Building B13, Fengye 5th Road, Fenghuang No.1 Industrial Zone, Fuyong Sub-district, Bao'an District, Shenzhen City, Guangdong 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.: CTA25102700504 Page 3 of 9 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 ................................................................................................. 6 2.4 Modifications ............................................................................................................ 6 3 TEST ENVIRONMENT ....................................................................................................... 7 3.1 Address of the test laboratory .................................................................................. 7 3.2 Test Facility .............................................................................................................. 7 3.3 Statement of the measurement uncertainty ............................................................. 7 4 Test limit .............................................................................................................................. 8 4.1 Requirement ............................................................................................................ 8 4.2 Conducted Power Results ....................................................................................... 8 4.3 Manufacturing tolerance .......................................................................................... 9 4.4 Evaluation Result ..................................................................................................... 9 4.5 Simultaneous Transmission for SAR Exclusion ................................................…

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FCC ID: 2BSTJ-LCD Test Setup Photos of the EUT FCC ID: 2BSTJ-LCD

1 FCC Appendix RF Test Data for BLE FCC ID : 2BSTJ-LCD Company : Shenzhen Libai Leather Goods Co., Ltd. EUT : Smart AI Backpack Model Number : 21.5-inch LCD Screen Casting Backpack Report No. : CTA25102700501 Reviewed By : Eric Wang 2 Appendix A: DTS Bandwidth Test Result TestMode Antenna Freq(MHz) DTS BW [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE_1M Ant1 2402 0.644 2401.692 2402.336 0.5 PASS 2440 0.624 2439.700 2440.324 0.5 PASS 2480 0.644 2479.688 2480.332 0.5 PASS 3 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 4 5 Appendix B: Occupied Channel Bandwidth Test Result TestMode Antenna Freq(MHz) OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE_1M Ant1 2402 1.0023 2401.5166 2402.5189 --- --- 2440 1.0062 2439.5164 2440.5226 --- --- 2480 1.0071 2479.5167 2480.5238 --- --- 6 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 7 8 Appendix C: Maximum conducted output power Test Result Peak TestMode Antenna Freq(MHz) Conducted Peak Powert[dBm] Conducted Limit[dBm] Verdict BLE_1M Ant1 2402 -0.15 ≤30 PASS 2440 -0.36 ≤30 PASS 2480 -0.27 ≤30 PASS 9 Appendix D: Maximum power spectral density Test Result TestMode Antenna Freq(MHz) Result[dBm/3kHz] Limit[dBm/3kHz] Verdict BLE_1M Ant1 2402 -15.67 ≤8.00 PASS 2440 -15.89 ≤8.00 PASS 2480 -15.87 ≤8.00 PASS 10 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 11 12 Appendix E: Band edge measurements Test Result TestMode Antenna ChName Freq(MHz) RefLevel[dBm] Result[dBm] Limit[dBm] Verdict BLE_1M Ant1 Low 2402 -0.59 -52.41 ≤-20.59 PASS High 2480 -1.26 -55.79 ≤-21.26 PASS 13 Test Graphs BLE_1M_Ant1_Low_2402 BLE_1M_Ant1_High_2480 14 Appendix F: Conducted Spurious Emission Test Result TestMode Antenna Freq(MHz) FreqRange [MHz] RefLevel [dBm] Result[dBm] Limit[dBm] Verdict BLE_1M Ant1 2402 Reference -1.03 -1.03 --- PASS 30~1000 -1.03 -68.47 ≤-21.03 PASS 1000~26500 -1.03 -43.09 ≤-21.03 PASS 2440 Reference -1.60 -1.60 --- PASS 30~1000 -1.60 -67.29 ≤-21.6 PASS 1000~26500 -1.60 -41.36 ≤-21.6 PASS 2480 Reference -0.90 -0.90 --- PASS 30~1000 -0.90 -66.74 ≤-20.9 PASS 1000~26500 -0.90 -43.24 ≤-20.9 PASS 15 Test Graphs BLE_1M_Ant1_2402_0~Reference BLE_1M_Ant1_2402_30~1000 BLE_1M_Ant1_2402_1000~26500 16 BLE_1M_Ant1_2440_0~Reference BLE_1M_Ant1_2440_30~1000 17 BLE_1M_Ant1_2440_1000~26500 BLE_1M_Ant1_2480_0~Reference BLE_1M_Ant1_2480_30~1000 18 BLE_1M_Ant1_2480_1000~26500 19 Appendix G: Duty Cycle Test Result TestMode Antenna Freq(MHz) ON Time [ms] Period [ms] X DC [%] xFactor Limit Verdict BLE_1M Ant1 2402 0.41 0.62 0.6613 66.13 1.80 --- --- 2440 0.41 0.62 0.6613 66.13 1.80 --- --- 2480 0.41 0.62 0.6613 66.13 1.80 --- --- 20 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 21

35 11N20SISO_Ant1_2412_1000~26500 11N20SISO_Ant1_2437_0~Reference 11N20SISO_Ant1_2437_30~1000 36 11N20SISO_Ant1_2437_1000~26500 11N20SISO_Ant1_2462_0~Reference 37 11N20SISO_Ant1_2462_30~1000 11N20SISO_Ant1_2462_1000~26500 11N40SISO_Ant1_2422_0~Reference 38 11N40SISO_Ant1_2422_30~1000 11N40SISO_Ant1_2422_1000~26500 39 11N40SISO_Ant1_2437_0~Reference 11N40SISO_Ant1_2437_30~1000 11N40SISO_Ant1_2437_1000~26500 40 11N40SISO_Ant1_2452_0~Reference 11N40SISO_Ant1_2452_30~1000 41 11N40SISO_Ant1_2452_1000~26500 42 Appendix G: Duty Cycle Test Result TestMode Antenna Frequency[MHz] Transmission Duration [ms] Transmission Period [ms] Duty Cycle [%] 11B Ant1 2412 20.00 20.00 100.00 2437 20.00 20.00 100.00 2462 20.00 20.00 100.00 11G Ant1 2412 20.00 20.00 100.00 2437 20.00 20.00 100.00 2462 20.00 20.00 100.00 11N20SISO Ant1 2412 20.00 20.00 100.00 2437 20.00 20.00 100.00 2462 20.00 20.00 100.00 11N40SISO Ant1 2422 20.00 20.00 100.00 2437 20.00 20.00 100.00 2452 20.00 20.00 100.00 43 Test Graphs 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 44 11G_Ant1_2412 11G_Ant1_2437 45 11G_Ant1_2462 11N20SISO_Ant1_2412 11N20SISO_Ant1_2437 46 11N20SISO_Ant1_2462 11N40SISO_Ant1_2422 47 11N40SISO_Ant1_2437 11N40SISO_Ant1_2452

1 FCC Appendix RF Test Data for 2.4GWIFI FCC ID : 2BSTJ-LCD Company : Shenzhen Libai Leather Goods Co., Ltd. EUT : Smart AI Backpack Model Number : 21.5-inch LCD Screen Casting Backpack Report No. : CTA25102700503 Reviewed By : Eric Wang 2 Appendix A: DTS Bandwidth Test Result TestMode Antenna Frequency[MHz] DTS BW [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict 11B Ant1 2412 7.800 2408.440 2416.240 0.5 PASS 2437 8.720 2432.560 2441.280 0.5 PASS 2462 8.760 2457.520 2466.280 0.5 PASS 11G Ant1 2412 16.280 2403.920 2420.200 0.5 PASS 2437 16.400 2428.840 2445.240 0.5 PASS 2462 16.320 2453.880 2470.200 0.5 PASS 11N20SISO Ant1 2412 17.320 2403.400 2420.720 0.5 PASS 2437 17.320 2428.360 2445.680 0.5 PASS 2462 17.240 2453.400 2470.640 0.5 PASS 11N40SISO Ant1 2422 33.440 2405.600 2439.040 0.5 PASS 2437 34.240 2420.120 2454.360 0.5 PASS 2452 33.840 2435.200 2469.040 0.5 PASS 3 Test Graphs 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 4 11G_Ant1_2412 11G_Ant1_2437 5 11G_Ant1_2462 11N20SISO_Ant1_2412 11N20SISO_Ant1_2437 6 11N20SISO_Ant1_2462 11N40SISO_Ant1_2422 7 11N40SISO_Ant1_2437 11N40SISO_Ant1_2452 8 Appendix B: Occupied Channel Bandwidth Test Result TestMode Antenna Channel Frequency[MHz] OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict 11B Ant1 2412 12.930 2405.5793 2418.5093 --- --- 2437 12.927 2430.5660 2443.4930 --- --- 2462 12.947 2455.5509 2468.4979 --- --- 11G Ant1 2412 16.601 2403.7425 2420.3435 --- --- 2437 16.564 2428.7601 2445.3241 --- --- 2462 16.589 2453.7320 2470.3210 --- --- 11N20SISO Ant1 2412 17.423 2403.3277 2420.7507 --- --- 2437 17.472 2428.3073 2445.7793 --- --- 2462 17.469 2453.2954 2470.7644 --- --- 11N40SISO Ant1 2422 34.881 2404.7151 2439.5961 --- --- 2437 34.823 2419.7047 2454.5277 --- --- 2452 34.870 2434.6107 2469.4807 --- --- 9 Test Graphs 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 10 11G_Ant1_2412 11G_Ant1_2437 11 11G_Ant1_2462 11N20SISO_Ant1_2412 11N20SISO_Ant1_2437 12 11N20SISO_Ant1_2462 11N40SISO_Ant1_2422 13 11N40SISO_Ant1_2437 11N40SISO_Ant1_2452 14 Appendix C: Maximum conducted output power Test Result Peak Test Mode Antenna Frequency[MHz] Peak power [dBm] Limit [dBm] Verdict 11B Ant1 2412 7.93 ≤30.00 PASS 2437 8.19 ≤30.00 PASS 2462 8.25 ≤30.00 PASS 11G Ant1 2412 6.00 ≤30.00 PASS 2437 6.68 ≤30.00 PASS 2462 6.96 ≤30.00 PASS 11N20SISO Ant1 2412 6.23 ≤30.00 PASS 2437 6.71 ≤30.00 PASS 2462 6.99 ≤30.00 PASS 11N40SISO Ant1 2422 5.45 ≤30.00 PASS 2437 5.60 ≤30.00 PASS 2452 5.68 ≤30.00 PASS 15 Appendix D: Maximum power spectral density Test Result TestMode Antenna Frequency[MHz] Result[dBm/3-100kHz] Limit[dBm/3kHz] Verdict 11B Ant1 2412 -20.91 ≤8.00 PASS 2437 -20.57 ≤8.00 PASS 2462 -21.06 ≤8.00 PASS 11G Ant1 2412 -28.41 ≤8.00 PASS 2437 -27.89 ≤8.00 PASS 2462 -27.67 ≤8.00 PASS 11N20SISO Ant1 2412 -28.36 ≤8.00 PASS 2437 -27.47 ≤8.00 PASS 2462 -27.28 ≤8.00 PASS 11N40SISO Ant1 2422 -29.16 ≤8.00 PASS 2437 -29.83 ≤8.00 PASS 2452 -29.57 ≤8.00 PASS 16 Test Graphs 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 17 11G_Ant1_2412 11G_Ant1_2437 18 11G_Ant1_2462 11N20SISO_Ant1_2412 11N20SISO_Ant1_2437 19 11N20SISO_Ant1_2462 11N40SISO_Ant1_2422 20 11N40SISO_Ant1_2437 11N40SISO_Ant1_2452 21 Appendix E: Band edge measurements Test Result TestMode Antenn a ChNam e Frequency[MH z] RefLevel[dB m] Result[dB m] Limit[dBm ] Verdic t 11B Ant1 Low 2412 -6.03 -54.31 ≤-26.03 PASS High 2462 -5.68 -56.64 ≤-25.68 PASS 11G Ant1 Low 2412 -14.39 -51.99 ≤-34.39 PASS High 2462 -13.45 -54.44 ≤-33.45 PASS 11N20SIS O Ant1 Low 2412 -14.68 -52.64 ≤-34.68 PASS High 2462 -13.38 -56.02 ≤-33.38 PASS 11N40SIS O Ant1 Low 2422 -17.78 -55.29 ≤-37.78 PASS High 2452 -17.38 -57.92 ≤-37.38 PASS 22 Test Graphs 11B_Ant1_Low_2412 11B_Ant1_High_2462 11G_Ant1_Low_2412 23 11G_Ant1_High_2462 11N20SISO_Ant1_Low_2412 24 11N20SISO_Ant1_High_2462 11N40SISO_Ant1_Low_2422 11N40SISO_Ant1_High_2452 25 26 Appendix F: Conducted Spurious Emission Test Result TestMode Antenna Frequency[MHz] FreqRange [Mhz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict 11B Ant1 2412 Reference -7.85 -7.85 --- PASS 30~1000 -7.85 -60.47 ≤-27.85 PASS 1000~26500 -7.85 -45.3 ≤-27.85 PASS 2437 Reference -6.67 -6.67 --- PASS 30~1000 -6.67 -60.82 ≤-26.67 PASS 1000~26500 -6.67 -45.81 ≤-26.67 PASS 2462 Reference -5.43 -5.43 --- PASS 30~1000 -5.43 -60.05 ≤-25.43 PASS 1000~26500 -5.43 -46.22 ≤-25.43 PASS 11G Ant1 2412 Reference -15.23 -15.23 --- PASS 30~1000 -15.23 -64.27 ≤-35.23 PASS 1000~26500 -15.23 -45.31 ≤-35.23 PASS 2437 Reference -14.20 -14.20 --- PASS 30~1000 -14.20 -64.61 ≤-34.2 PASS 1000~26500 -14.20 -45.78 ≤-34.2 PASS 2462 Reference -14.18 -14.18 --- PASS 30~1000 -14.18 -63.88 ≤-34.18 PASS 1000~26500 -14.18 -46.28 ≤-34.18 PASS 11N20SISO Ant1 2412 Reference -15.25 -15.25 --- PASS 30~1000 -15.25 -63.94 ≤-35.25 PASS 1000~26500 -15.25 -45.32 ≤-35.25 PASS 2437 Reference -14.17 -14.17 --- PASS 30~1000 -14.17 -64.12 ≤-34.17 PASS 1000~26500 -14.17 -46.01 ≤-34.17 PASS 2462 Reference -14.44 -14.44 --- PASS 30~1000 -14.44 -63.8 ≤-34.44 PASS 1000~26500 -14.44 -46.2 ≤-34.44 PASS 11N40SISO Ant1 2422 Reference -18.05 -18.05 --- PASS 30~1000 -18.05 -65.44 ≤-38.05 PASS 1000~26500 -18.05 -45.81 ≤-38.05 PASS 2437 Reference -17.93 -17.93 --- PASS 30~1000 -17.93 -65.43 ≤-37.93 PASS 1000~26500 -17.93 -45.87 ≤-37.93 PASS 2452 Reference -18.05 -18.05 --- PASS 30~1000 -18.05 -65.47 ≤-38.05 PASS 1000~26500 -18.05 -46.05 ≤-38.05 PASS 27 Test Graphs 11B_Ant1_2412_0~Reference 11B_Ant1_2412_30~1000 11B_Ant1_2412_1000~26500 28 11B_Ant1_2437_0~Reference 11B_Ant1_2437_30~1000 29 11B_Ant1_2437_1000~26500 11B_Ant1_2462_0~Reference 11B_Ant1_2462_30~1000 30 11B_Ant1_2462_1000~26500 11G_Ant1_2412_0~Reference 31 11G_Ant1_2412_30~1000 11G_Ant1_2412_1000~26500 11G_Ant1_2437_0~Reference 32 11G_Ant1_2437_30~1000 11G_Ant1_2437_1000~26500 33 11G_Ant1_2462_0~Reference 11G_Ant1_2462_30~1000 11G_Ant1_2462_1000~26500 34 11N20SISO_Ant1_2412_0~Reference 11N20SISO_Ant1_2412_30~1000

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 FCC PART 15 SUBPART C TEST REPORT FCC PART 15.247 Report Reference No. .................... : FCC ID. .......................................... : CTA25102700503 2BSTJ-LCD 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 .................................... : Oct. 31, 2025 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 ........................... : Shenzhen Libai Leather Goods Co., Ltd. Address ............................................ : Building B13, Fengye 5th Road, Fenghuang No.1 Industrial Zone, Fuyong Sub-district, Bao'an District, Shenzhen City, Guangdong Province, China Test specification.......................... : Standard .......................................... : FCC Part 15.247 TRF Originator ................................. : Shenzhen CTA Testing Technology Co., Ltd. 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 .................... : Smart AI Backpack Trade Mark ....................................... : N/A Manufacturer .................................... : Shenzhen Libai Leather Goods Co., Ltd. Model/Type reference ...................... : 21.5-inch LCD Screen Casting Backpack Listed Models ................................... : Refer to page 2 Modulation Type .............................. : CCK/DSSS/OFDM Operation Frequency ....................... : From 2412 - 2462MHz Rating ............................................... : DC 12.0V From external circuit Result ............................................... : PASS Report No.: CTA25102700503 Page 2 of 28 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 : Smart AI Backpack Model /Type : 21.5-inch LCD Screen Casting Backpack Listed Models : BM106, BM116, BM121a, BM121b, BM133, BM150, BM156a, BM156b, BM185, BM215, BM320, BM215w, BM238w, BM270w, BM320w Model difference : The PCB board, circuit, structure and internal of these models are the same, Only model number and colour is different for these model. Applicant : Shenzhen Libai Leather Goods Co., Ltd. Address : Building B13, Fengye 5th Road, Fenghuang No.1 Industrial Zone, Fuyong Sub-district, Bao'an District, Shenzhen City, Guangdong Province, China Manufacturer : Shenzhen Libai Leather Goods Co., Ltd. Address : Building B13, Fengye 5th Road, Fenghuang No.1 Industrial Zone, Fuyong Sub-district, Bao'an District, Shenzhen City, Guangdong 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.: CTA25102700503 Page 3 of 28 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 Equipment Under Test ............................................................................................................................ 5 2.4 Short description of the Equipment under Test (EUT) ............................................................................ 5 2.5 EUT configuration .................................................................................................................................... 6 2.6 EUT operation mode ............................................................................................................................... 6 2.7 Block Diagram of Test Setup .................................................................................................................. 6 2.8 Related Submittal(s) / Grant (s) .............................................................................................................. 6 2.9 Modifications ........................................................................................................................................... 6 3 TEST ENVIRONMENT .................................…

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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 FCC PART 15 SUBPART C TEST REPORT FCC PART 15.247 Report Reference No. ...................: FCC ID. ......................................... : CTA25102700501 2BSTJ-LCD 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 ...................................: Oct. 31, 2025 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...........................: Shenzhen Libai Leather Goods Co., Ltd. Address ...........................................: Building B13, Fengye 5th Road, Fenghuang No.1 Industrial Zone, Fuyong Sub-district, Bao'an District, Shenzhen City, Guangdong Province, China Test specification ......................... : Standard ..........................................: FCC Part 15.247 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. Equipment description ................ : Smart AI Backpack Trade Mark ......................................: N/A Manufacturer ...................................: Shenzhen Libai Leather Goods Co., Ltd. Model/Type…

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