2AJUZ0M0E5LoRaWAN communication node

RHF0M0E5 User Manual RisingHF Document information Info Content Keywords RisingHF, User Manual, Instruction Abstract RHF0M0x5 module user manual to help users quickly use the module UM019180 RHF0M0E5 User Manual V1.2 RHF0M0E5 User Manual RisingHF Content Content .................................................................................................................................................. 2 1 Preface ............................................................................................................................................... 1 2 Hardware Description ......................................................................................................................... 1 2.1 Pin definition ................................................................................................................................. 1 2.2 Pin details..................................................................................................................................... 1 3 quick start ........................................................................................................................................... 2 3.1 ABP mode .................................................................................................................................... 2 3.1.1 ID query ................................................................................................................................. 2 3.1.2 Configure band ...................................................................................................................... 3 3.1.3 Configure channels ................................................................................................................ 3 3.1.4 Configure mode ..................................................................................................................... 3 3.1.5 Configure class ...................................................................................................................... 3 3.1.6 Communication ...................................................................................................................... 3 3.2 OTAA mode ................................................................................................................................. 4 3.2.1 ID query ................................................................................................................................. 4 3.2.2 Configure band ...................................................................................................................... 4 3.2.3 Configure channels ................................................................................................................ 4 3.2.4 Configure mode ..................................................................................................................... 4 3.2.5 Configure class ...................................................................................................................... 5 3.2.6 Join ........................................................................................................................................ 5 3.3 TEST mode .................................................................................................................................. 5 3.3.1 test noise floor ...................................................................................................................... 6 3.3.2 test TXCW ............................................................................................................................. 6 3.3.1 test CLORA ............................................................................................................................ 6 3.3.2 test send LORA packet .......................................................................................................... 6 3.3.3 test receive LORA packet ...................................................................................................... 6 4 FAQ .................................................................................................................................................... 7 Revision ............................................................................................................................................... 10 V1.2 2020-09-25 www.risinghf.com RHF0M0E5 User Manual RisingHF 1 1 Preface RHF0M0E5 is a low-cost, ultra-low power, ultra-small size LoRaWAN ® module designed by Rui Xing Heng Fang Network (Shenzhen) Co., Ltd. The module uses ST system on chip STM32WLE5JC, intergrated high-performance LoRa ® SX126X IP and ultra-low power Consumption of MCU. The target application of this module is wireless sensor networks and other Internet of Things devices, especially battery-powered low power consumption and long-distance occasions. 2 Hardware Description 2.1 Pin definition 28 pin SMT package for module: Figure 2-1 RHF0M0E5 Pin arrangement 2.2 Pin details PB0 is used for TCXO power supply and should not be used normally. Number Name Type Description 1 VCC - Supply voltage for the module 2 GND - Ground 3 PA13 I SWDIO of SWIM for program download 4 PA14 I/O SWCLK of SWIM for program download 5 PB15 I/O SCL of I2C2 from MCU 6 PA15 I/O SDA of I2C2 from MCU 7 PB4 I/O MCU GPIO 8 PB3 I/O MCU GPIO 9 PB7 I/O UART1_RX from MCU 10 PB6 I/O UART1_TX from MCU 11 PB5 I/O MCU GPIO V1.2 2020-09-25 www.risinghf.com RHF0M0E5 User Manual RisingHF 2 12 PC1 I/O MCU GPIO ；LPUART1_TX from MCU 13 PC0 I/O MCU GPIO ；LPUART1_RX from MCU 14 GND - Ground 15 RFIO I/O RF input/output 16 GND - Ground 17 RST I/O Reset trigger input for MCU 18 PA3 I/O MCU GPIO；USART2_RX from MCU 19 PA2 I/O MCU GPIO；USART2_TX from MCU 20 PB10 I/O MCU GPIO 21 PA9 I/O MCU GPIO 22 GND - Ground 23 PA0 I/O MCU GPIO 24 PB13 I/O SPI2_SCK from MCU; Boot pin(Active low) 25 PB9 I/O SPI2_NSS from MCU 26 PB14 I/O SPI2_MISO from MCU 27 PA10 I/O SPI2_MOSI from MCU 28 PB0 I/O Unavailable；Suspended treatm…

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Annex No.: BL-SZ2080372-AW 1 / 4 EUT EXTERNAL PHOTOS FRONT VIEW OF EUT REAR VIEW OF EUT Annex No.: BL-SZ2080372-AW 2 / 4 LEFT SIDE VIEW OF EUT RIGHT SIDE OF EUT Annex No.: BL-SZ2080372-AW 3 / 4 TOP VIEW OF EUT BOTTOM VIEW OF EUT Annex No.: BL-SZ2080372-AW 4 / 4 Accessory-Antenna

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Annex No.: BL-SZ2080372-AI 1 / 2 EUT INTERNAL PHOTOS EUT UNCOVER VIEW MAIN BOARD TOP VIEW RF Chip Annex No.: BL-SZ2080372-AI 2 / 2 MAIN BOARD REAR VIEW

RF Exposure Evaluation For FCC ID: 2AJUZ0M0E5 Refer user manual this device is a LoRaWAN communication node, and this device was designed used in Mobile devices that the minimum distance between human’s body is 20cm. Based on the 47CFR 2.1091, this device belongs to Mobile device. The definition of the category as following: Mobile Derives: CFR Title 47 §2.1091(b) (b) For purposes of this section, a mobile device is defined as a transmitting device designed to be used in other than fixed locations and to generally be used in such a way that a separation distance of at least 20 centimeters is normally maintained between the transmitter’s radiating structure(s) and the body of the user or nearby persons. FCC KDB 447498 D01 General RF Exposure Guidance v06 Limit Devices operating in standalone mobile exposure conditions may contain a single transmitter or multiple transmitters that do not transmit simultaneously. A minimum test separation distance ≥ 20 cm is required between the antenna and radiating structures of the device and nearby persons to apply mobile device exposure limits. The distance must be fully supported by the operating and installation configurations of the transmitter and its antenna(s), according to the source-based time-averaged maximum power requirements of § 2.1091(d)(2). In cases where cable losses or other attenuations are applied to determine compliance, the most conservative operating configurations and exposure conditions must be evaluated. The minimum test separation distance required for a device to comply with mobile exposure conditions must be clearly identified in the installation and operating instructions, for all installation and exposure conditions, to enable users and installers to comply with RF exposure requirements. For mobile devices that have the potential to operate in portable device exposure conditions, similar to the configurations described in § 2.1091(d)(4), a KDB inquiry is required to determine the SAR test requirements for demonstrating compliance. When the categorical exclusion provision of § 2.1091(c) applies, the minimum test separation distance may be estimated, when applicable, by simple calculations according to plane-wave equivalent conditions, to ensure the transmitter and its antenna(s) can operate in manners that meet or exceed the estimated distance. The source-based time-averaged maximum radiated power, according to the maximum antenna gain, must be applied to calculate the field strength and power density required to establish the minimum test separation distance. When the estimated test separation distance becomes overly conservative and does not support compliance, MPE measurement or computational modeling may be used to determine the required minimum separation distance. According to FCC Part 1.1307, systems operating under the provisions of this section shall be operated in a manner the ensures that the public is not exposed to radio frequency energy level in excess of the commission’s guidelines. Limits for General Population/ Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength(E)(V/m) Magnetic Field Strength (H)(A/m) Power Density (S)(mW/cm 2 ) 0.3-1.34 614 1.63 (100)* 1.34-30 824/f 2.19/f (180/f2)* 30-300 27.5 0.073 0.2 300-1500 f/1500 1500-100,000 1.0 MPE calculation formula Where: S = power density P = output power (mW) G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = Separation distance between radiator and human body (cm) Test data LoRa 125KHz Mode Low Channel Middle Channel High Channel Peak Power (dBm) 15.72 15.70 15.64 500KHz Mode Low Channel Middle Channel High Channel Peak Power (dBm) 15.76 15.69 15.66 Note: This report listed the worst case peak power value, please refer to RF test report for more details. Turn-up power Mode Range (dBm) LoRa (125KHz) 15.00-16.00 LoRa (500KHz) 15.00-16.00 Test result Evolution mode Maximum peak output power (dBm) Antenna Gain (typical) (dBi): To t a l Power (mw) Distance (cm) Power Density (mW/cm²) Limit of Power Density (mW/cm²) Verdict LoRa (125KHz) 16.00 2.00 63.10 20 0.0126 0.6013 Pass LoRa (500KHz) 16.00 2.00 63.10 20 0.0126 0.6013 Pass Note: 1. The LoRaWAN communication node work frequency range used is 902 MHz ~ 928 MHz, the result close to the limit by the above formula, so we select 902MHz to calculate the exclusion power threshold. 2. More power list please refer to RF test report. Conclusion: RF exposure Evaluation Results: Compliance

Report No.: BL-SZ2080372-601 2 TABLE OF CONTENTS 1 ADMINISTRATIVE DATA (GENERAL INFORMATION) .......................................................................... 5 1.1 Identification of the Testing Laboratory ....................................................................................... 5 1.2 Identification of the Responsible Testing Location ...................................................................... 5 1.3 Laboratory Condition ................................................................................................................... 5 1.4 Announce .................................................................................................................................... 6 2 PRODUCT INFORMATION ...................................................................................................................... 7 2.1 Applicant Information ................................................................................................................... 7 2.2 Manufacturer Information ............................................................................................................ 7 2.3 Factory Information ..................................................................................................................... 7 2.4 General Description for Equipment under Test (EUT) ................................................................ 7 2.5 Technical Information .................................................................................................................. 8 2.6 Additional Instructions ................................................................................................................. 9 3 SUMMARY OF TEST RESULTS ............................................................................................................ 10 3.1 Test Standards .......................................................................................................................... 10 3.2 Verdict ....................................................................................................................................... 10 4 GENERAL TEST CONFIGURATIONS ................................................................................................... 11 4.1 Test Environments .................................................................................................................... 11 4.2 Test Equipment List ................................................................................................................... 11 4.3 Measurement Uncertainty ......................................................................................................... 12 4.4 Description of Test Setup .......................................................................................................... 12 4.4.1 For Antenna Port Test ............................................................................................................... 12 4.4.2 For AC Power Supply Port Test ................................................................................................ 13 4.4.3 For Radiated Test (Below 30 MHz) ........................................................................................... 13 4.4.4 For Radiated Test (30 MHz-1 GHz) .......................................................................................... 14 Revision History Version Issue Date Revisions Content Rev. 01 Nov. 16, 2020 Initial Issue Rev. 02 Nov. 25, 2020 Updated delete the hybird modulation technology and the corresponding data Report No.: BL-SZ2080372-601 3 4.4.5 For Radiated Test (Above 1 GHz) ............................................................................................. 14 4.5 Measurement Results Explanation Example ............................................................................. 15 4.5.1 For conducted test items: .......................................................................................................... 15 4.5.2 For radiated band edges and spurious emission test: ............................................................... 15 5 TEST ITEMS ........................................................................................................................................... 16 5.1 Antenna Requirements .............................................................................................................. 16 5.1.1 Relevant Standards ................................................................................................................... 16 5.1.2 Antenna Anti-Replacement Construction .................................................................................. 16 5.1.3 Antenna Gain ............................................................................................................................ 16 5.2 Output Power ............................................................................................................................ 17 5.2.1 Test Limit ................................................................................................................................... 17 5.2.2 Test Setup ................................................................................................................................. 17 5.2.3 Test Procedure .......................................................................................................................... 17 5.2.4 Test Result ................................................................................................................................ 18 5.3 Occupied Bandwidth ................................................................................................................. 19 5.3.1 Limit ........................................................................................................................................... 19 5.3.2 Test Setup ........................................................................................................…

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Annex No.: BL-SZ2080372-AR 1 / 5 TEST SETUP PHOTOS 1 Radiated Test Photo Below 30MHz Close-up Annex No.: BL-SZ2080372-AR 2 / 5 30MHz-1 GHz Close-up Annex No.: BL-SZ2080372-AR 3 / 5 Above 1GHz Close-up Annex No.: BL-SZ2080372-AR 4 / 5 2 Conducted Test Photo Conducted Test-LoRa 3 Conducted Emissions Test Photo 1 Annex No.: BL-SZ2080372-AR 5 / 5 Test Photo 2