2A2GJ-HTITHeltec WiFI Kit LoRa Node

® 成都惠利特自动化科技有限公司 www.heltec.cn Wireless Stick V1.0 P 1 / 9 Dec. 2018 HelTec Automation © Limited standard files Wireless Stick Wi-Fi BLE LoRa node Arduino-Compatible, LoRaWAN stack http://heltec.taobao.com www.heltec.cn Technical Data V1.0 P 2 / 9 dec 2018 HelTec Automation © Limited standard files 1. Introduction The Wireless Stick is an Arduino compatible network development board (LoRa, WiFi, Bluetooth). With ultra mini size, fit in a standard breadboard (with), A tiny 64*32 OLED display and Lithium Battery Management (with SH1.25-2P socket) system also assembled on board. It’s the best choose for your IoT project development. The Wireless Stick had well matched RF circuit, provide good and stable RF signal. We also provide an Arduino library for LoRaWAN stack, makes it can directly connect to any standard LoRa gateway via LoRaWAN protocol. The main control chip of this product is Xtensa LX6 32bit dual core processor: ESP32. a powerful CPU, provide BLE and state of the art WiFi radio. ® 成都惠利特自动化科技有限公司 www.heltec.cn Wireless Stick V1.0 P 3 / 9 Dec. 2018 HelTec Automation © Limited standard files processor  Espressif ESP32 chipset  Dual processor WiFi radio System on chip  Network processor handles the WiFi connectivity and the IPv6 stack  32 Bit Dual-core、240MHz Main Frequency  Integrating WiFi and Bluetooth  The main processor is completely free to run the user application  An additional ULP coprocessor that monitors GPIOs, ADC channels, and controls most internal peripherals LoRa  Semtech SX1276 chipset  For different regions, LoRa offers the following options (Reference only, subject to national laws and regulations)： - 433MHz：Europe, max 10dB output - 470 ~510MHz：China, Max 20dB Output - 868MHz：Europe, max 14dB output - 915MHz：North America, South America, Australia and New Zealand, with a maxi output of 20dB output  It can be either a LoRa node or a micro gateway.  Work with Heltec ESP32-LoRaWAN Arduino library.  Transmission distance: 6 Km in open area  Output power: up to + 20dBm (+2dBm) WiFi  802.1b/g/n 16mbps Bluetooth  Low energy Bluetooth(BLE)  Classic bluetooth Human–Computer Interaction  0.49 inch 64*32 resolution OLED screen  Press buttons (reset and program) Power Supply  Input power: USB, lithium battery  Output power: +5V (only when powered by USB), +3.3V  Integrated Lithium Battery Charging Circuit  External power supply controlled by IO port facilitates development board access to low power consumption Interface  2 x UART、2 x SPI、2 x I2C、I2S  Analog channels: 8_12 bit ADCs  Timers: 4_16 bit with PWM and input capture  DMA on all peripherals  24 GPIO  5 input port storage  RAM：4MB  External FLASH: 64M-Bit Power waste  Deep dormancy：800uA  WiFi scanning：115mA  WiFi AP：135mA  LoRa 10dB output：50mA  LoRa 12dB output：65mA  LoRa 15dB output：110mA  LoRa 20dB output：130mA Mechanical structure  size：60mm x 23mm x 8mm (see appendix) ® 成都惠利特自动化科技有限公司 www.heltec.cn Wireless Stick V1.0 P 4 / 9 Dec. 2018 HelTec Automation © Limited standard files 2. Development environment installation 2.1 Driver installation For Mac OS, Ubuntu, Windows 7 or above operating system, the driver is automatically installed, if not automatically installed or prompted error, please go to Silicon Labs official website to download and install the latest version of the driver： CP210X version driver download address （As we tested, we found that the driver of the CP210x series chip version 6.7.0.0 is the most stable. This version is highly recommended: download link） To Windows operating system, for example, if the drive is installed, you can in the "Device Manager - port" to see a similar message: 2.2 Development environment installation All the operations are based on that your computer had installed the newest Arduino IDE. The Wireless Stick development board belongs to the HelTec WIFI Kit series. For the installation of the development environment, please refer to the Heltec WIFI Kit series development environment: GitHub：https://github.com/Heltec-Aaron-Lee/WiFi_Kit_series http://heltec.taobao.com www.heltec.cn Technical Data V1.0 P 5 / 9 dec 2018 HelTec Automation © Limited standard files The latest installation method is posted at this address： http://www.heltec.cn/the-installation-method-of-wifi-kit-series-products-in-arduino- development-environment/?lang=en If everything is ok, you can find the Wireless Stick development board in the Tools - Development Board menu. As shown in Figure 2-1: You can find the board Arduino routines for various resources in the "Examples" menu, which you can compile directly and download to your WIFI Kit development board. Attention to the corresponding development board model, choose the http://heltec.taobao.com www.heltec.cn Technical Data V1.0 P 6 / 9 dec 2018 HelTec Automation © Limited standard files wrong model may lead to compile errors. As shown in Figure 2-2: Figure 2-2 Directly available routines For more information of this product, please visit http://www.heltec.cn/support/. http://heltec.taobao.com www.heltec.cn Technical Data V1.0 P 7 / 9 dec 2018 HelTec Automation © Limited standard files 3. Resources  Summary of Common Questions http://www.heltec.cn/summary-of-common-problems-in-wifi-kit-series-continuous-u pdate/?lang=en  ESP32-LoRaWAN Arduino library https://github.com/HelTecAutomation/ESP32_LoRaWAN To prevent unearned copy of the board, to run ESP32-LoRaWAN code need a license relate to your board’s Chip ID: http://www.heltec.cn/search/  Size and 3D drawing  AutoCAD 2004 version board size：Download  SolideWorks 2014 version 3D drawing：Download For more questions, please visit www.heltec.cn  Notice  Wireless Stick have a SH1.25-2P Lithium battery socket, you may need a normal SH1.25 wire to connect with a battery.  The LoRa communication function of the Wireless Stick must be used with an antenna with suitable frequency. If there is no antenna, the LoRa chip may be http://heltec.taobao.com www.heltec.cn Tech…

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FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 Appendix III EUT External Photographs Photo 1 Appearance of EUT Photo 2 Appearance of EUT LoRa Antenna BT&WIFI Antenna FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 Photo 3 Appearance of EUT Photo 4 Appearance of EUT FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 Photo 5 Appearance of EUT Photo 6 Appearance of EUT FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 Photo 7 Appearance of EUT Photo 8 Appearance of EUT

FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 Appendix IFCC ID Label Size for the label: 30mm X 30mm FCC ID: 2A2GJ-HTIT Model: HTIT-WS FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 Appendix II ID Label Location ID LOCATION

FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 Photo 3 Appearance of EUT Photo 4 Appearance of EUT FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 Photo 5 Appearance of EUT Photo 6 Appearance of EUT FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 Photo 7 Appearance of EUT Photo 8 Appearance of EUT FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 Appendix IV EUT Internal Photographs Photo 9 Internal of EUT Photo 10 Internal of EUT FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 Photo 11 Appearance of PCB Photo 12 Appearance of PCB FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 Photo 13 Appearance of PCB Photo 14 Appearance of PCB FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 Photo 15 Appearance of PCB

version01 HeltecAutomationTechnologyCo.,Ltd DeclarationconcerningAntennaSpecification Itisherebydeclaredthattheproduct ModelNo.:HTIT-WS,HTIT-WB32LAF,HTIT-WB32,HTIT-WS,HTIT-WSL,HTIT-WSH,HTIT-TB, HTIT-LN151,HTIT-LK151,HITI-WB32LABR,HTIT-W8266,HTIT-WB32G,HT-M00,HT-M01S, HTCC-AB01,HTCC-AB01-S,HTCC-AB02,HTCC-AB02-S,HTCC-AB03,HTCC-AB03-S,HTCC- AC01,HTCC-AC01-S,HTCC-AC02,HTCC-AC02-S,HTCC-AC03,HTCC-AC03-S,HTCC-AM01, HTCC-AM01-S,HTCC-AM02,HTCC-AM02-S,HTCC-AM03,HTCC-AM03-S,HTIT-DIY0051N, HTIT-DIY0031 FCCID:2A2GJ-HTIT fulfillstherequirementinFCCtestrelatingtotheantennatype. ThedevicespecifiedaboveconfirmstotheFCCrecommendationsfor internal antennatype(s) describedbelow: ModelNo.ofantenna: N/A Typeofantenna:InternalAntennaforLoRa Gainoftheantenna:3.0dBi Frequencyrange:LoRaDSS:902.3-914.9MHz,LoRaDTS:903-914.2MHz ModelNo.ofantenna: N/A Typeofantenna:InternalAntennafor(BT&WIFI) Gainoftheantenna:3.0dBi Frequencyrange:BT:2402-2480MHz,BLE:2402-2480MHz 2.4GWIFI:2412-2462MHz Themountingoftheantennaisfixedtotheradiomoduleandnootherantennashouldbeused. Companyname:HeltecAutomationTechnologyCo.,Ltd Address:1stfloor,No.54,56,58ziruiNorthStreet,High-techZone,Chengducity, China City:Chengdu ZIP/Postalcode: Country:China Place:AaronLi/GeneralManagerDate:2022-04-01 Signature:

Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202202-0173-15 Page: 1 of 5 TB-RF-073-3.0 1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195 Maximum Permissible Exposure Evaluation FCC ID: 2A2GJ-HTIT 1. Client Information Applicant : Heltec Automation Technology Co., Ltd Address : 1st floor, No. 54, 56, 58 zirui North Street, High-tech Zone, Chengdu city, China Manufacturer : Heltec Automation Technology Co., Ltd Address : 1st floor, No. 54, 56, 58 zirui North Street, High-tech Zone, Chengdu city, China 2. General Description of EUT EUT Name : Heltec WiFI Kit LoRa Node Models No. : HTIT-WS Series Model No. : Please see page 2 Model Difference : All these models are identical in the same PCB, layout and electrical circuit, the only difference is appearance and color. Brand Name : ---- Product Description : Operation Frequency: DTS: LoRa(500KHz): 903MHz-914.2MHz DSS: LoRa(125KHz): 902.3MHz-914.9MHz Bluetooth 4.2(BT): 2402MHz~2480MHz Bluetooth 4.2(BLE): 2402MHz~2480MHz 802.11b/g/n(HT20): 2412MHz~2462MHz 802.11n(HT40): 2422MHz-2452MHz Power Rating : USB Input: DC 5V Software Version : V1.0 Hardware Version : V2 Connecting I/O Port(S) : Please refer to the User's Manual Remark : the MPE report used the EUT-2(RW-C-202202-0173-1-2#). Report No.: TBR-C-202202-0173-15 Page: 2 of 5 TB-RF-075-1.0 Series Model No. : HTIT-WB32LAF, HTIT-WB32, HTIT-WS, HTIT-WSL, HTIT-WSH, HTIT-TB, HTIT-LN151, HTIT-LK151, HITI-WB32LABR, HTIT-W8266, HTIT-WB32G, HT-M00, HT-M01S, HTCC-AB01, HTCC-AB01-S, HTCC-AB02, HTCC-AB02-S, HTCC-AB03, HTCC-AB03-S, HTCC-AC01, HTCC-AC01-S, HTCC-AC02, HTCC-AC02-S, HTCC-AC03, HTCC-AC03-S, HTCC-AM01, HTCC-AM01-S, HTCC-AM02, HTCC-AM02-S, HTCC-AM03, HTCC-AM03-S, HTIT-DIY0051N, HTIT-DIY0031 Report No.: TBR-C-202202-0173-15 Page: 3 of 5 TB-RF-075-1.0 MPE Calculations 1. Antenna Gain: Antenna Brand Model Name Type LoRa Antenna Gain(dBi) Lora N/A N/A Internal 3.0 Antenna Brand Model Name Type BT&BLE Antenna Gain(dBi) / N/A N/A Internal 3.0 Antenna Brand Model Name Type 2.4G WIFI Antenna Gain(dBi) / N/A N/A Internal 3.0 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 4. Simultaneous transmission MPE Considerations According to KDB447498: All transmitters and antennas in the host must be either evaluated for MPE compliance, by measurement or computational modeling, or qualify for the standalone MPE test exclusion in section 7.1. Simultaneous transmission MPE test exclusion applies when the sum of the MPE ratios for all simultaneous transmitting antennas incorporated in a host device, based on the calculated/estimated, numerically modeled or measured field strengths or power density, is ≤ 1.0. This means that: ∑ of MPE ratios ≤ 1.0 Report No.: TBR-C-202202-0173-15 Page: 4 of 5 TB-RF-075-1.0 5. Standalone MPE Evaluation: LoRa FHSS Channel 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 of Power Density (mW/ cm 2 ) (S) Channel 01 13.45 13±1 14 3.0 20 0.0099 0.6015 Channel 32 13.34 13±1 14 3.0 20 0.0099 0.6015 Channel 64 13.22 13±1 14 3.0 20 0.0099 0.6015 LoRa DTS Channel 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 of Power Density (mW/ cm 2 ) (S) Channel 01 13.83 13±1 14 3.0 20 0.0099 0.602 Channel 04 13.85 13±1 14 3.0 20 0.0099 0.602 Channel 08 13.66 13±1 14 3.0 20 0.0099 0.602 Modulation Type Output power (Turn-up Procedure) Antenna Gain (dBi) Antenna Gain (Numeric) Distance (cm) [R] MPE (mW/cm2) MPE Limits (mW/cm2) dBm mW BT(BDR/EDR)&BLE 6.52 4.487 3.0 1.9952 20 0.0017 1.0000 Modulation Type Output power (Turn-up Procedure) Antenna Gain (dBi) Antenna Gain (Numeric) Distance (cm) [R] MPE (mW/cm2) MPE Limits (mW/cm2) dBm mW IEEE 802.11b 16.51 44.771 3.0 1.9952 20 0.0178 1.0000 Remark: 1. Output power including turn-up tolerance; 2. Output power was adjust to duty cycle at 100% if measured duty cycle less than 98%; 3. MPE evaluate distance is 20cm from user manual provide by manufacturer. 4. Only the worst power was evaluated for each wireless function Report No.: TBR-C-202202-0173-15 Page: 5 of 5 TB-RF-075-1.0 6. 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 7. Summary simultaneous transmission information The sample supports two antennas for LoRa and BT/WLAN. The SRD and BT/WLAN can transmit simultaneous. The BT/WLAN are share the same antenna According to KDB447498 for Transmitters used in mobile exposure conditions for simultaneous transmission operations; ∑ of MPE ratios ≤ 1.0 8. Summary simultaneous transmission results LoRa + BT/2.4G Wifi Maximum Simultaneous transmission MPE Ratios is 0.0165+0.0178=0.0343≤1.0. 9. Conclusion: The measurement results comply with the FCC Limit per 47 CFR 2.1091 for the uncontrolled RF Exposure of mobile device. -----END OF REPORT-----

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-202202-0173-12 Page: 1 of 42 FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 RF Test Data for Bluetooth (BDR+EDR) (Conducted Measurements) General Description of EUT Product Name: Heltec WiFI Kit LoRa Node Test Model: HTIT-WS Sample ID: RW-C-202202-0173-1-2# Environmental Conditions Temperature: 23.8°C Relative Humidity: 48% Test Voltage: DC 5V Test Engineer: Huang jian ping Note: For a more detailed features description, please refer to the report TBR-C-202202-0173-12 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-202202-0173-12 Page: 2 of 42 FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 Contents 1. 20dB Emission Bandwidth ..................................................................................................... 3 1.1.Test Result ................................................................................................................ 3 1.2.Test Graphs .............................................................................................................. 4 2. Occupied Channel Bandwidth ............................................................................................... 7 2.1.Test Result ................................................................................................................ 7 2.2.Test Graphs .............................................................................................................. 8 3. Maximum conducted output power ................................................................................... 11 3.1.Test Result .............................................................................................................. 11 3.2.Test Graphs ............................................................................................................ 12 4. Carrier frequency separation .............................................................................................. 15 4.1.Test Result .............................................................................................................. 15 4.2.Test Graphs ............................................................................................................ 16 5. Time of occupancy .............................................................................................................. 17 5.1.Test Result .............................................................................................................. 17 5.2.Test Graphs ............................................................................................................ 18 6. Number of hopping channels .............................................................................................. 21 6.1.Test Result .............................................................................................................. 21 6.2.Test Graphs ............................................................................................................ 22 7.Band edge measurements ................................................................................................... 23 7.1.Test Result .............................................................................................................. 23 7.2.Test Graphs ............................................................................................................ 24 8. Conducted Spurious Emission ............................................................................................. 28 8.1.Test Result .............................................................................................................. 28 8.2.Test Graphs ............................................................................................................ 29 9. Emissions in Restricted Bands ............................................................................................. 38 9.1.Test Result .............................................................................................................. 38 9.2.Test Graphs ............................................................................................................ 39 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-202202-0173-12 Page: 3 of 42 FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 1. 20dB Emission Bandwidth 1.1.Test Result TestMode Antenna Channel 20db EBW[MHz] Limit[MHz] Verdict DH5 Ant1 2402 0.94 --- --- 2441 0.95 --- --- 2480 0.94 --- --- 2DH5 Ant1 2402 1.32 --- --- 2441 1.32 --- --- 2480 1.32 --- --- 3DH5 Ant1 2402 1.31 --- --- 2441 1.30 --- --- 2480 1.31 --- --- 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-202202-0173-12 Page: 4 of 42 FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 1.2.Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 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-202202-0173-12 Page: 5 of 42 FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 2DH5_Ant1_2402 2DH5_Ant1_2441 2DH5_Ant1_2480 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-202202-0173-12 Page: 6 of 42 FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 3DH5_Ant1_2402 3DH5_Ant1_2441 3DH5_Ant1_2480 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong,…

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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-202202-0173-12 Page: 23 of 42 FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 7.Band edge measurements 7.1.Test Result TestMode Antenna ChName Channel RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5 Ant1 Low 2402 3.14 -51.51 ≤-16.86 PASS High 2480 3.46 -55.8 ≤-16.54 PASS Low Hop_2402 1.87 -57.71 ≤-18.13 PASS High Hop_2480 2.99 -55.52 ≤-17.01 PASS 2DH5 Ant1 Low 2402 2.45 -50.76 ≤-17.55 PASS High 2480 4.07 -56.02 ≤-15.93 PASS Low Hop_2402 0.55 -57.16 ≤-19.45 PASS High Hop_2480 1.64 -56.33 ≤-18.36 PASS 3DH5 Ant1 Low 2402 2.84 -50.64 ≤-17.16 PASS High 2480 3.86 -55.6 ≤-16.14 PASS Low Hop_2402 0.07 -57.33 ≤-19.93 PASS High Hop_2480 1.26 -55.68 ≤-18.74 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-202202-0173-12 Page: 24 of 42 FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 7.2.Test Graphs DH5_Ant1_Low_2402 DH5_Ant1_High_2480 DH5_Ant1_Low_Hop_2402 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-202202-0173-12 Page: 25 of 42 FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 DH5_Ant1_High_Hop_2480 2DH5_Ant1_Low_2402 2DH5_Ant1_High_2480 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-202202-0173-12 Page: 26 of 42 FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 2DH5_Ant1_Low_Hop_2402 2DH5_Ant1_High_Hop_2480 3DH5_Ant1_Low_2402 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-202202-0173-12 Page: 27 of 42 FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 3DH5_Ant1_High_2480 3DH5_Ant1_Low_Hop_2402 3DH5_Ant1_High_Hop_2480 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-202202-0173-12 Page: 28 of 42 FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 8. Conducted Spurious Emission 8.1.Test Result TestMode Antenna Channel FreqRange [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5 Ant1 2402 Reference 3.24 3.24 --- PASS 30~1000 3.24 -52.52 ≤-16.76 PASS 1000~26500 3.24 -38.39 ≤-16.76 PASS 2441 Reference 3.68 3.68 --- PASS 30~1000 3.68 -53.15 ≤-16.32 PASS 1000~26500 3.68 -40.5 ≤-16.32 PASS 2480 Reference 3.71 3.71 --- PASS 30~1000 3.71 -53.71 ≤-16.29 PASS 1000~26500 3.71 -43.2 ≤-16.29 PASS 2DH5 Ant1 2402 Reference 3.03 3.03 --- PASS 30~1000 3.03 -52.22 ≤-16.97 PASS 1000~26500 3.03 -37.75 ≤-16.97 PASS 2441 Reference 3.44 3.44 --- PASS 30~1000 3.44 -52.48 ≤-16.56 PASS 1000~26500 3.44 -39.97 ≤-16.56 PASS 2480 Reference 3.98 3.98 --- PASS 30~1000 3.98 -53.37 ≤-16.02 PASS 1000~26500 3.98 -43.37 ≤-16.02 PASS 3DH5 Ant1 2402 Reference 3.08 3.08 --- PASS 30~1000 3.08 -53.49 ≤-16.92 PASS 1000~26500 3.08 -38.32 ≤-16.92 PASS 2441 Reference 3.78 3.78 --- PASS 30~1000 3.78 -53.45 ≤-16.22 PASS 1000~26500 3.78 -40.34 ≤-16.22 PASS 2480 Reference 3.96 3.96 --- PASS 30~1000 3.96 -53.27 ≤-16.04 PASS 1000~26500 3.96 -43.29 ≤-16.04 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-202202-0173-12 Page: 29 of 42 FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 8.2.Test Graphs DH5_Ant1_2402_0~Reference DH5_Ant1_2402_30~1000 DH5_Ant1_2402_1000~26500 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-202202-0173-12 Page: 30 of 42 FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 DH5_Ant1_2441_0~Reference DH5_Ant1_2441_30~1000 DH5_Ant1_2441_1000~26500 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-202202-0173-12 Page: 31 of 42 FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 DH5_Ant1_2480_0~Reference DH5_Ant1_2480_30~1000 DH5_Ant1_2480_1000~26500 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-202202-0173-12 Page: 32 of 42 FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 2DH5_Ant1_2402_0~Reference 2DH5_Ant1_2402_30~1000 2DH5_Ant1_2402_1000~26500 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-202202-0173-12 Page: 33 of 42 FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 2DH5_Ant1_2441_0~Reference 2DH5_Ant1_2441_30~1000 2DH5_Ant1_2441_1000~26500 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-202202-0173-12 Page: 34 of 42 FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 2DH5_Ant1_2480_0~Reference 2DH5_Ant1_2480_30~1000 2DH5_Ant1_2480_1000~26500 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-202202-0173-12 Page: 35 of 42 FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 3DH5_Ant1_2402_0~Reference 3DH5_Ant1_2402_30~1000 3DH5_Ant1_2402_1000~26500 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-202202-0173-12 Page: 36 of 42 FCC ID: 2A2GJ-HTIT T…

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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-202202-0173-12 Page: 40 of 42 FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 DH5_Ant1_High_2480_Peak 2DH5_Ant1_Low_2402_AV 2DH5_Ant1_Low_2402_Peak 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-202202-0173-12 Page: 41 of 42 FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 2DH5_Ant1_High_2480_AV 2DH5_Ant1_High_2480_Peak 3DH5_Ant1_Low_2402_AV 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-202202-0173-12 Page: 42 of 42 FCC ID: 2A2GJ-HTIT TB-RF-074-1.0 3DH5_Ant1_Low_2402_Peak 3DH5_Ant1_High_2480_AV 3DH5_Ant1_High_2480_Peak -----End of the report-----

Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202202-0173-12 Page: 1 of 46 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: 2A2GJ-HTIT Report No. : TBR-C-202202-0173-12 Applicant : Heltec Automation Technology Co., Ltd Equipment Under Test (EUT) EUT Name : Heltec WiFI Kit LoRa Node Model No. : HTIT-WS Series Model No. : Please see page 5 Brand Name : ---- Sample ID : RW-C-202202-0173-1-1# & RW-C-202202-0173-1-2# Receipt Date : 2022-02-24 Test Date : 2022-02-24 to 2022-03-30 Issue Date : 2022-04-01 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 : Wade. Lv 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-202202-0173-12 Page: 2 of 46 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 .............................................................................................. 7 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 .......................................................................................…

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