2BBLG-CHILINKIIOTIndustrial router

1 Installationand ConfigurationQuickGuide ZR2720N Industrial router PackageContents BeforeinstallingyourZR2 720NRouter,pleaseverifythe kit contentsas following. 1 x ZR2 720NIndustrialCellularVPN Router 1 x poweradapter(12VDC/1A) 1 xQuickStartGuide 1 x EthernetCable 1 x SMACellularantenna(stubby/magnetoptional) 1 x SMAWi-Fiantenna(stubby/magnetoptional) *If any of the aboveitemsis missingor damaged,pleasecontactyoursalesrepresentative. EnvironmentalRequirements Inputvoltage:7.5V-32V(standardDC12V/1A) Operatingtemperature:-30 to +70 °C Storagetemperature: -40 to 85 °C Relativehumidity:< 95% (n o condensation) HardwareIntroduction 2 1.Overview2.LEDIndicators NameColorStatusDescription PWRGreenOnRouterispoweredon OffRouterispoweredoff WANGreenOn,blinking (100mSecblinktime) Linkconnectionisworking OffLinkconnectionisnotworking LANGreenOn,blinking (100mSecblinktime) Linkconnectionisworking OffLinkconnectionisnotworking NETGreenOn,solidNetworkisjoinedsuccessfully andworkedinanoptimumone On,blinkingNetworkisjoinedsuccessfully butworkedinalower-level thanstandard OffNetworkisnotjoined 3.ResetButton Afterpowereduptherouter,pressandholdtheRSTbuttonfor10seconds, andreleasethebuttontoreturntheroutertofactorydefaults. HardwareInstallation 3 1.InsertorRemoveSIMCard InsertorremovetheSIMcardasshowninthefollowingsteps. InsertSIMcard 1)Makesurerouterispoweredoff. 2)ToopentheSIMcardslot,useacardremovalpinpluginthecardhole. 3)ToinsertSIMcard,pressthecardwithfingeruntilyourhearaclickand thenpushbackthesimcardslot RemoveSIMcard 1)Makesurerouterispoweredoff. 2)ToopentheSIMcardslot,useacardremovalpinpluginthecardhole. 3)ToremoveSIMcard,pressthecardwithfingeruntilitpopsoutandthen takeoutthecard. 4)Topushbackthesimcardslot. Note: 1)Usethespecificcardwhenthedeviceisworkinginextreme temperature(temperatureexceeding40°C),becausetheregularcard forlong-timeworkinginharshenvironmentwillbedisconnected frequently. 2)Donotforgettopushbackthecardtoavoidbeinglost. 3)Donottouchthemetalofthecardsurfaceincaseinformationinthe cardwillloseorbedestroyed. 4)Donotbendorscratchthecard. 5)Keepthecardawayfromelectricityandmagnetism. 6)Makesurerouterispoweredoffbeforeinsertingorremovingthecard. 2.AttachExternalAntenna(SMAType) AttachexternalSMAantennatotherouter’santennaconnectorand twisttightly.Makesuretheantennaiswithinthecorrectfrequencyrange providedbytheISPandwith50Ohmimpedance. 3.MounttheRouter Theroutercanbeplacedonadesktopormountedtoawall. Use2piecesofdrywallscrewstomounttherouterwiththewallmounting kitonthewall. 4.ConnecttheRoutertoaComputer ConnectanEthernetcabletotheLANportoftherouter,andconnectthe otherendofthecabletoyourcomputer. 4 5.PowerSupply Connectthepoweradaptertothepowerinputinterfaceoftherouter. Note:Voltageinputisduring7.5V-32VDC. PCConfiguration TherearetwomethodstogetIPaddressforthePC.OneistoobtainanIPaddressautomaticallyfrom“LocalAreaConnection”,andanotheristoconfigure astaticIPaddressmanuallywithinthesamesubnetoftherouter.Pleaserefertothestepsbelow. HeretakeWindows10asexample,andtheconfigurationforwindowssystemissimilar. 1.ClickStart>Controlpanel,clickNetworkandInternet,clickNetwork andSharingCenter,clickChangeAdapterSettings,andthendouble-click LocalAreaConnection(Ethernet). 2.ClickPropertiesinthewindowofLocalAreaConnection(Ethernet) Status. 3.ChooseInternetProtocolVersion4(TCP/IPv4)andclickProperties. 5 4.TwowaysforconfiguringtheIPaddressofPC. 1)ObtainanIPaddressautomatically: 2)UsethefollowingIPaddress ConfiguredastaticIPaddressmanuallywithinthesamesubnetofthe router,routerdefaultIPaddressis192.168.1.1,sostaticIPaddresssetas 192.168.1.xxx(XXXcanbeanynumberbetween2～254). 5.ClickOKtofinishtheconfiguration. 6 RouterConfiguration 1.LogintheRouter Tologintothemanagementpageandviewtheconfigurationstatusof yourrouter,pleasefollowthestepsbelow. 1)OnyourPC,openawebbrowsersuchasInternetExplorer,Googleor Firefoxetc. 2)Fromyourwebbrowser,typetheIPaddressoftherouterintothe addressbarandpressenter.ThedefaultIPaddressoftherouteris 192.168.1.1,thoughtheactualaddressmayvary. 3)Intheloginpage,entertheusernameandpassword,thenclickLogin. Thedefaultusernameandpasswordare“admin”. 4)Afterloggingin,thehomepageoftheZR2720N 5)Router’swebinterfaceisdisplayed,forexample. 2.ConfiguretheCellularConnection Therearetwomethodstodialupforcellularconnectionofthisrouter. 1)DHCPdial-up(Default) ClickBasicNetwork>MobileNetwork,choose“DHCPclient”asthe Protocol,don’tchangeotherdefaultsettings,clickSAVE&APPLYbutton. 2)PPPdial-up Whenyoudon’twanttodialupwithDHCP,thisrouteralsoprovidePPP dial-upoption.ClickBasicNetwork>MobileNetwork,choose“PPP”asthe Protocol,clickSWITCHPROTOCOLbutton,noneedtochangethedefault parameter,clickSAVE&APPLYbutton. 7 3)Checkthecellularconnectionstatus ClickSystemStatus>4GWANStatustoviewthestatusofthecellular connection,thedetailsstatusinformationwillbedisplayed. Note: 1)ThisroutersupportIoTandVPDNcardofmultiplecarriers. 2)Generally,thisrouterwillidentifyAPNinformationautomatically.When dail-upfailwithsomeIoTcardandVPDNcard,pleasecontactyourcarrier andfillintheAPdatasuchasusername,passwordtoconfigurationthen getcellularconnection. 3)Thisroutersupportwiredconnection,theconfigurationissimilarwith cellularnetwork.ClickBasicNetwork>WiredNetwork>WAN,choose “DHCPclient”(OptionalPPPoE,Staticaddress)astheProtocol,clickSAVE &APPLYbutton. 4)ThisroutersupportWi-Ficlientmodeforconnection,detailpleaserefer tousermanual. 3.ConnectPCandTerminaltoRouter TherearetwomethodstoconnectPCandterminaltorouter.Oneis connectwithEthernetcable,andanotherisconnectthroughWireless AccessPoint.Pleaserefertothestepsbelow. 1)Ethernetcableconnection(Wired) ConnectanEthernetcabletotheLANportoftherouter,andconnectthe otherendofthecabletoyourcomputerorterminal.ObtainanIPaddress automaticallyfrom“LocalAreaConnection”,ortoconfigureastaticIP addressmanually,detailpleaserefertopage4“PCConfiguration” 2)WirelessAccessPoint Tologintotheroutermanagementpage,pleaserefertoPage6“Router Configuration” ClickBasicNetwork>WirelessNetwork>WirelessOverview,clickEDIT…

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CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date:<2023-7-4> Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we requests confidentiality for the following products: FCC ID Model name 2BBLG-CHILINKIIOT ZR2720N For the product stated above, we request that the following information be held confidential; Exhibits Long-Term Confidentiality Short-Term Confidentiality Short-Term Confidentiality Days External Photos Internal Photos Block Diagram Schematics Test Setup Photos User’s Manual Parts List Tune Up Operational Descriptions The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. The short-term confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device. If you have any questions, please feel free to contact me at the address shown below. Sincerely, Name/Title： Honglong Deng/manager Company: SHENZHEN CHILINK IOT TECHNOLOGY CO., LTD Address: Room518, 512, Block A, Ming You Industrial Products Displaying&amp, Purchasing Center, Baoyuan Road, Xixiang, Baoan, Shenzhen, Guangdong Province, China Phone: 18680311753 E-Mail: [email protected]

FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 Appendix III EUT External Photographs Photo 1 Appearance of EUT Photo 2 Appearance of EUT Probe Antenna Mushroom Antenna FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 Photo 3 Appearance of EUT Photo 4 Appearance of EUT FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 Photo 5 Appearance of EUT Photo 6 Appearance of EUT FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 Photo 7 Appearance of EUT Photo 8 Appearance of EUT FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 Photo 9 Appearance of EUT Photo 10 Appearance of EUT

FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 Appendix IFCC ID Label FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 Appendix II ID Label Location Size for the label: 40mm X 10mm Label Location

FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 Appendix IV EUT Internal Photographs Photo 11 Internal of EUT Photo 12 Internal of EUT FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 Photo 13 Internal of EUT Photo 14 Appearance of PCB FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 Photo 15 Appearance of PCB Photo 16 Appearance of PCB FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 Photo 17 Appearance of PCB Photo 18 Appearance of PCB

Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202305-0244-7 Page: 1 of 4 TB-RF-075-1.0 1 A/F., Building.6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao’an, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195 Maximum Permissible Exposure Evaluation FCC ID: 2BBLG-CHILINKIIOT 1. Client Information Applicant : SHENZHEN CHILINK IOT TECHNOLOGY CO., LTD Address : Room518, 512, Block A, Ming You Industrial Products Displaying&amp, Purchasing Center, Baoyuan Road, Xixiang, Baoan, Shenzhen, Guangdong Province, China Manufacturer : SHENZHEN CHILINK IOT TECHNOLOGY CO., LTD Address : Room518, 512, Block A, Ming You Industrial Products Displaying&amp, Purchasing Center, Baoyuan Road, Xixiang, Baoan, Shenzhen, Guangdong Province, China 2. General Description of EUT EUT Name : Industrial router Model(s) No. : ZR2720N, ZR2721N, ZR3731N, ZR9721N, IR2730N, IR4731N, IR5731N, SS2031, PS2021, QX210-NW Model Difference : All these models are identical in the same PCB, layout and electrical circuit, the only difference is names. Product Description : Operation Frequency: 802.11b/g/n(HT20): 2412MHz~2462MHz 802.11n(HT40): 2422MHz~2452MHz LTE Band 2/4/5/12/13/17/25/26/41 Power Supply : For Adapter: (Model:TS-A012-120010AY) Input: AC 100V-240V, 50/60Hz 0.4A Output: DC 12V1A Software Version : V2.5 /V2.6 /V2.7 Hardware Version : V1.1 Remark: The antenna gain and the adapter provided by the applicant, verified for the RF conduction test and adapter provided by TOBY test lab. Note: More test information about the EUT please refer the RF Test Report. Report No.: TBR-C-202305-0244-7 Page: 2 of 4 TB-RF-075-1.0 MPE Calculations for WIFI 1. Antenna Gain: 2.4G WiFi Probe Antenna: 5dBi. LTE Probe Antenna: 5dBi 2. EUT Operation Condition: Software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. 3. Exposure Evaluation: Equation from page 18 of OET Bulletin 65, Edition 97-01 S=(PG)/4πR 2 Where S: power density P: power input to the antenna G: power gain of the antenna in the direction of interest relative to an isotropic radiator. R: distance to the center of radiation of the antenna Report No.: TBR-C-202305-0244-7 Page: 3 of 4 TB-RF-075-1.0 4. Test Result: Mode N TX Conducted Power(max) (dBm) Turn-up Power (dB) Max tune up power (dBm) [P] ANT Gain (dBi) [G] Distance (cm) [R] Power Density (mW/ cm 2 ) [S] limit (mW/cm2) 802.11b 1 17.879 18±1 19 5 20 0.0500 1 1 17.706 18±1 19 5 20 0.0500 1 1 17.1 17±1 18 5 20 0.0397 1 802.11g 1 17.527 18±1 19 5 20 0.0500 1 1 17.311 17±1 18 5 20 0.0397 1 1 16.743 17±1 18 5 20 0.0397 1 802.11 n(HT20) 1 17.227 17±1 18 5 20 0.0397 1 1 17.573 18±1 19 5 20 0.0500 1 1 17.028 17±1 18 5 20 0.0397 1 802.11 n(HT40) 1 14.997 15±1 16 5 20 0.0250 1 1 14.699 15±1 16 5 20 0.0250 1 1 14.048 14±1 15 5 20 0.0199 1 LTE Band 2 1 24.44 24±1 25 5 20 0.1989 1 LTE Band 4 1 23.82 24±1 25 5 20 0.1989 1 LTE Band 5 1 23.84 24±1 25 5 20 0.1989 0.55 LTE Band 12 1 23.15 23±1 24 5 20 0.1580 0.47 LTE Band 13 1 23.63 24±1 25 5 20 0.1989 0.52 LTE Band 17 1 23.35 23±1 24 5 20 0.1580 0.52 LTE Band 25 1 24.08 24±1 25 5 20 0.1989 1 LTE Band 26A 1 24.00 24±1 25 5 20 0.1989 0.54 LTE Band 26B 1 24.12 24±1 25 5 20 0.1989 0.54 LTE Band 41 1 24.00 24±1 25 5 20 0.1989 1 Note: RF Output power specifies that Maximum Conducted Peak Output Power. Report No.: TBR-C-202305-0244-7 Page: 4 of 4 TB-RF-075-1.0 5. Conclusion: As specified in Table 1B of 47 CFR 1.1310- Limits for Maximum Permissible Exposure (MPE), Limits for General Population/ Uncontrolled Exposure Frequency Range (MHz) Power density (mW/ cm 2 ) 300-1,500 F/1500 1,500-100,000 1.0 For 2.4G WiFi&LTE MPE limit S: 1mW/ cm 2 MPE limit S: 1mW/ cm 2 6. Summary simultaneous transmission results LTE and Bluetooth support simultaneous transmit the LTE MPE (Ratio) 2.4GWiFi MPE (Ratio) simultaneous MPE (Ratio) MPE Limits (Ratio) 0.1989 0.0500 0.2489 1.0000 So, RF exposure limit warning or SAR test are not required. The EUT will only be used with a separation of 20cm or greater between the antenna and nearby persons and can therefore be considered a mobile transmitter per 47 CFR2.1091 (b). The RF Exposure Information page from the manual is included here for reference. -----END OF REPORT-----

拟定审核批准确认审核承认 深圳市鸿联兴科技有限公司 Shenzhen Hong Lian Xing Technology Co., Ltd. 样品承认书 SPECIFICATION FOR APPROVAL 客户名称： CUSTOMER NAME 产品名称： 4G 机柜天线 4G Cabinet antenna PAPT NAME 产品型号： hlx-4G-024 PAPT MODEL 承 认 栏 供应商确认：客户确认： 厂址：中国深圳市龙岗区园山街道大康路36号F栋Building F, No. 36 Dakang Road, Yuanshan Street, Longgang District, Shenzhen, China Tel: 0755-29805767 FAX: 0755- 29805862 www.h-lx.com 手机13410704829(杨先生） E-mail: [email protected] 一、 50Ω ≤2 3.5dBi 垂直 vertical 全向 Omnidirectional 50W 二、 电气性能 Electrical factor 1. 频率范围 Frenquency range 690-2690 MHz 2. 输入阻抗 Impedance 3. 驻波比 VSWR 4. 增益 Gain 5.极化方式 Polarization 6.辐射方向 Radiation 7.功率容量 Maximun power lnput- 机械特性 Mechanical performance 1.尺寸 Dimension 直径diameter 46±2mm 2.接头 ConnectorSMA公头母针 1MRG174线SMA-M 3.外罩材料 Radome material ABS 4.外罩颜色 Radome color黑色black 5.工作温度 Working temperature -20°C ～ 85°C 6.存放温度 Storage temperature -40°C ～ 90°C 三、 图纸 Drawings 四、 性能测试performance testing 2. 驻波图 VSWR 3. 回损图 RETURN LOSS 1.阻抗图 SMITH 测试系统Test System

拟定审核批准确认审核承认 深圳市鸿联兴科技有限公司 Shenzhen Hong Lian Xing Technology Co., Ltd. 样品承认书 SPECIFICATION FOR APPROVAL 客户名称： CUSTOMER NAME 产品名称： 2.4G 吸盘天线Suction cup antenna PAPT NAME 产品型号： hlx-w5-034-148 PAPT MODEL 承 认 栏 供应商确认：客户确认： 厂址：中国深圳市龙岗区园山街道大康路36号F栋Building F, No. 36 Dakang Road, Yuanshan Street, Longgang District, Shenzhen, China Tel: 0755-29805767 FAX: 0755- 29805862 www.h-lx.com 手机13410704829(杨先生） E-mail: [email protected] 一、 50Ω ≤2 5 dBi 垂直 vertical 全向 Omnidirectional 50W 二、 电气性能 Electrical factor 1. 频率范围 Frenquency range 2400-2500 MHz 2. 输入阻抗 Impedance 3. 驻波比 VSWR 4. 增益 Gain 5.极化方式 Polarization 6.辐射方向 Radiation 7.功率容量 Maximun power lnput- 机械特性 Mechanical performance 1.尺寸 Dimension 148±2mm 2.接头 Connector SMA公头母针 SMA-M 3.外罩材料 Radome material TPE、 4.外罩颜色 Radome color黑色black 5.工作温度 Working temperature -20°C ～ 85°C 6.存放温度 Storage temperature -40°C ～ 90°C 三、 图纸 Drawings 四、 3. 回损图 RETURN LOSS 2. VSWR 性能测试performance testing 1.阻抗图 SMITH 测试系统Test System

Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202305-0244-5 Page: 1 of 53 FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 RF Test Data for 2.4G WiFi (Conducted Measurements) General Description of EUT Product Name: Industrial router Test Model: ZR2720N Sample ID: 202305-0244-4#2 Environmental Conditions Temperature: 25°C Relative Humidity: 55% Test Voltage: DC 12V Test Engineer: Huang jian ping Note: For a more detailed features description, please refer to the report TBR-C-202305-0244-5 The report only show the worst case data. Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202305-0244-5 Page: 2 of 53 FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 Contents 1. Duty Cycle ........................................................................................................................................................................................... 3 2. Maximum Conducted Output Power ............................................................................................................................................... 10 3. -6dB Bandwidth ................................................................................................................................................................................ 11 4. Occupied Channel Bandwidth ......................................................................................................................................................... 18 5. Maximum Power Spectral Density Level ......................................................................................................................................... 25 6. Band Edge ........................................................................................................................................................................................ 32 7. Conducted RF Spurious Emission .................................................................................................................................................. 41 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202305-0244-5 Page: 3 of 53 FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 1. Duty Cycle Condition Mode Frequency (MHz) Antenna Duty Cycle (%) Correction Factor (dB) 1/T (kHz) NVNT b 2412 Ant1 99.67 0.01 0.08 NVNT b 2437 Ant1 99.67 0.01 0.08 NVNT b 2462 Ant1 99.67 0.01 0.08 NVNT g 2412 Ant1 97.6 0.11 0.49 NVNT g 2437 Ant1 97.6 0.11 0.49 NVNT g 2462 Ant1 97.58 0.11 0.5 NVNT n(HT20) 2412 Ant1 97.42 0.11 0.53 NVNT n(HT20) 2437 Ant1 97.42 0.11 0.53 NVNT n(HT20) 2462 Ant1 97.93 0.09 0.53 NVNT n(HT40) 2422 Ant1 96.88 0.14 1.08 NVNT n(HT40) 2437 Ant1 95.88 0.18 1.08 NVNT n(HT40) 2452 Ant1 96.88 0.14 1.08 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202305-0244-5 Page: 4 of 53 FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 Test Graphs Duty Cycle NVNT b 2412MHz Ant1 Duty Cycle NVNT b 2437MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202305-0244-5 Page: 5 of 53 FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 Duty Cycle NVNT b 2462MHz Ant1 Duty Cycle NVNT g 2412MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202305-0244-5 Page: 6 of 53 FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 Duty Cycle NVNT g 2437MHz Ant1 Duty Cycle NVNT g 2462MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202305-0244-5 Page: 7 of 53 FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 Duty Cycle NVNT n(HT20) 2412MHz Ant1 Duty Cycle NVNT n(HT20) 2437MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202305-0244-5 Page: 8 of 53 FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 Duty Cycle NVNT n(HT20) 2462MHz Ant1 Duty Cycle NVNT n(HT40) 2422MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202305-0244-5 Page: 9 of 53 FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 Duty Cycle NVNT n(HT40) 2437MHz Ant1 Duty Cycle NVNT n(HT40) 2452MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202305-0244-5 Page: 10 of 53 FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 2. Maximum Conducted Output Power Condition Mode Frequency (MHz) Antenna Conducted Power (dBm) Limit (dBm) Verdict NVNT b 2412 Ant1 17.879 30 Pass NVNT b 2437 Ant1 17.706 30 Pass NVNT b 2462 Ant1 17.1 30 Pass NVNT g 2412 Ant1 17.527 30 Pass NVNT g 2437 Ant1 17.311 30 Pass NVNT g 2462 Ant1 16.743 30 Pass NVNT n(HT20) 2412 Ant1 17.227 30 Pass NVNT n(HT20) 2437 Ant1 17.573 30 Pass NVNT n(HT20) 2462 Ant1 17.028 30 Pass NVNT n(HT40) 2422 Ant1 14.997 30 Pass NVNT n(HT40) 2437 Ant1 14.699 30 Pass NVNT n(HT40) 2452 Ant1 14.048 30 Pass Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202305-02…

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Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202305-0244-5 Page: 1 of 91 TB-RF-074-1.0 1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195 Radio Test Report FCC ID: 2BBLG-CHILINKIIOT Original Grant Report No. : TBR-C-202305-0244-5 Applicant : SHENZHEN CHILINK IOT TECHNOLOGY CO., LTD Equipment Under Test (EUT) EUT Name : Industrial router Model No. : ZR2720N Series Model No. : ZR2721N, ZR3731N, ZR9721N, IR2730N, IR4731N, IR5731N, SS2031, PS2021, QX210-NW Brand Name : ZLWL Sample ID : 202305-0244-4#1& 202305-0244-4#2 Receipt Date : 2023-06-05 Test Date : 2023-06-05 to 2023-06-30 Issue Date : 2023-06-30 Standards : FCC Part 15 Subpart C 15.247 Test Method : ANSI C63.10: 2013 KDB 558074 D01 15.247 Meas Guidance v05r02 Conclusions : PASS In the configuration tested, the EUT complied with the standards specified above. Witness Engineer : Camille Li Engineer Supervisor : Ivan Su Engineer Manager : Ray Lai This report details the results of the testing carried out on one sample. The results contained in this test report do not relate to other samples of the same product. The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in the report. Report No.: TBR-C-202305-0244-5 Page: 2 of 91 TB-RF-074-1.0 Contents CONTENTS ............................................................................................................................................. 2 1. GENERAL INFORMATION ABOUT EUT.............................................................................. 5 1.1 Client Information ................................................................................................................. 5 1.2 General Description of EUT (Equipment Under Test) ................................................... 5 1.3 Block Diagram Showing the Configuration of System Tested ...................................... 7 1.4 Description of Support Units .............................................................................................. 8 1.6 Description of Test Software Setting ................................................................................ 9 1.7 Measurement Uncertainty .................................................................................................. 9 1.8 Test Facility ......................................................................................................................... 10 2. TEST SUMMARY ..................................................................................................................... 11 3. TEST SOFTWARE ................................................................................................................... 11 4. TEST EQUIPMENT .................................................................................................................. 12 5. CONDUCTED EMISSION TEST ........................................................................................... 14 5.1 Test Standard and Limit .................................................................................................... 14 5.2 Test Setup ........................................................................................................................... 14 5.3 Test Procedure ................................................................................................................... 14 5.4 Deviation From Test Standard ......................................................................................... 15 5.5 EUT Operating Mode ........................................................................................................ 15 5.6 Test Data ............................................................................................................................. 15 6. RADIATED AND CONDUCTED UNWANTED EMISSIONS ............................................ 16 6.1 Test Standard and Limit .................................................................................................... 16 6.2 Test Setup ........................................................................................................................... 17 6.3 Test Procedure ................................................................................................................... 18 6.4 Deviation From Test Standard ......................................................................................... 19 6.5 EUT Operating Mode ........................................................................................................ 19 6.6 Test Data ............................................................................................................................. 19 7. RESTRICTED BANDS REQUIREMENT ............................................................................. 20 7.1 Test Standard and Limit .................................................................................................... 20 7.2 Test Setup ........................................................................................................................... 20 7.3 Test Procedure ................................................................................................................... 21 7.4 Deviation From Test Standard ......................................................................................... 22 7.5 EUT Operating Mode ........................................................................................................ 22 7.6 Test Data ............................................................................................................................. 22 8. BANDWIDTH TEST ................................................................................................................. 23 8.1 Test Standard and Limit .................................................................................................... 23 8.2 Test Setup ............…

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FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 Appendix V EUT Test Photographs 15C Test Setup Probe Antenna Photo of Setup for Radiated Emission (Below 1 GHz) Photo of Setup for Radiated Emission (Above 1 GHz) FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 Photo of Setup for Radiated Emission (Above 1 GHz) Photo of Setup for Conducted Emission FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 Mushroom Antenna Photo of Setup for Radiated Emission (Below 1 GHz) Photo of Setup for Radiated Emission (Above 1 GHz) FCC ID:2BBLG-CHILINKIIOT TB-RF-074-1.0 Photo of Setup for Radiated Emission (Above 1 GHz) -----END OF REPORT-----