LoRa-E5 mini (STM32WLE5JC) Dev Board, LoRaWAN protocol and worldwide frequency supported

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LoRa-E5 mini is a compacted-sized dev board suitable for the rapid testing and building of small-size LoRa device and application prototyping. LoRa-E5 mini is embedded with and leads out full GPIOs of LoRa-E5 STM32WLE5JC. It has rich interfaces including UART, ADC, SPI, IIC,etc. Supporting LoRaWAN protocol and global frequency, LoRa-E5 mini is able to achieve a transmission range of up to 10 km in open area and ultra-low power consumption.

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  • 10+: $17.50



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We recently have upgraded the packaging of the LoRa-E5 mini. The replacement of the old and new packages is being carried out step by step, therefore there may be a random and mixed delivery of the old and new packages, please kindly note and thank you for understanding.


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  • Full GPIOs led out from the Lora-E5 STM32WLE5JC
  • Global LoRaWAN® and LoRa frequency plan supported
  • Long-distance transmission range to 10km (ideal value in open area)
  • Mini and compact size, suitable for rapid testing and building small size prototype
  • Convenient RESET and BOOT buttons on board

LoRa-E5 mini is a compacted-sized development board suitable for the rapid testing and building of small-size prototyping and helps you design your ideal LoRaWAN wireless IoT device with a long-distance transmission range. 

LoRa-E5 mini is embedded with LoRa-E5 STM32WLE5JC Module, which delivers the world-first combo of LoRa RF and MCU chip into one single tiny chip and is FCC and CE certified. It is powered by ARM Cortex-M4 core and Semtech SX126X LoRa chip and supports LoRaWAN protocol on the worldwide frequency and (G)FSK, BPSK, (G)MSK, and LoRa modulations. (Learn more about LoRa-E5)
Seeed is the official ST Authorized Partner to bring you STMicroelectronics solutions from Modules to Development Boards, one-stop prototyping services with Seeed Fusion, and integration customization.

LoRa-E5 mini leads out all GPIOs of LoRa-E5, including UART, ADC, SPI, IIC, and etc. It contains RESET and BOOT buttons and is use-friendly. Supporting LoRaWAN protocol, LoRa-E5 mini features ultra-long-range transmission and ultra-low power consumption: it is able to achieve a transmission range of up to 10 km, and the sleep current of LoRa-E5 modules on board is as low as 2.1 uA(WOR mode). It is designed with industrial standards with a wide working temperature at -40 ℃ ~ 85℃, high sensitivity between -116.5dBm ~ -136 dBm, and power output up to +20.8 dBm at 3.3V.

Other than the LoRa-E5 mini, we also provide other choices including the LoRa-E5 Development Board carrying more complex interfaces and features to unlock the more powerful performance of the LoRa-E5 module.  It provides a broader range of access protocols and superabundant types of interfaces. Thus you are able to test and prototype the module rapidly with RS-485, Grove interfaces, and rich GPIOs.  (Learn more about LoRa-E5 Development Board)
Since LoRa-E5 is a LoRaWAN chip with an MCU, there are three main ways to utilize the LoRa-E5 mini:
1. Connect LoRa-E5 mini to PC and control by AT commands

There is a built-in USB to UART function on board, you could connect the LoRa-E5 mini to your PC with a USB type C cable, and use serial communication software to send AT commands and read data from the board.

2. Connect LoRa-E5 mini to another mainboard via UART and control by AT commands

For example, connect LoRa-E5 mini to Seeeduino XIAO and the Expansion Board via UART, and send AT commands and read data from Seeeduino XIAO through Arduino IDE serial monitor.

3. User Application Development by using SDK

Develop your own LoRa development board with MCU function by using STM32Cube Programmer, which is the SDK officially provided by STMicroelectronics. To download this SDK resource, please find the resources in learning and document down below.

With all the outstanding features listed above, the LoRa-E5 mini will be a superior choice for IoT device development, testing, prototyping, and applications in long-distance, ultra-low power consumption IoT scenarios like smart agriculture, smart office, and smart industry.

If you are unfamiliar with LoRa and LoRaWAN technology, please check out this blog LoRapedia in detail.

Hardware Overview

Package Information


  • LoRa-E5 module Easy testing
  • Rapid small-dimension prototyping of LoRa devices with LoRa-E5
  • Any long-distance wireless communication application development
  • LoRa and LoRaWAN application learn and research


Application Note

For more detailed information about how to use LoRa-E5, please visit LoRa-E5 (STM32WLE5JC) Module Wiki.


1. Factory AT Firmware

LoRa-E5 series has a built-in AT command firmware, which supports LoRaWAN Class A/B/C protocol and a wide frequency plan: EU868/US915/AU915/AS923/KR920/IN865. With this AT command firmware, users can easily and quickly build their prototype or application.

The AT command firmware contains a bootloader for DFU and the AT application. The "PB13/SPI_SCK/BOOT" pin is used to control LoRa-E5 to stay in the bootloader or jump to the AT application. When PB13 is HIGH, the module will jump to AT application after reset, with a default baud rate of 9600. When PB13 is LOW (press the "Boot" button on LoRa-E5 Dev Board or LoRa-E5 mini), the module will stay in the bootloader, and keep transmitting "C" character every 1S at baud rate 115200.



1. Factory AT Firmware is programmed with RDP(Read Protection) Level 1, developers need to remove RDP first with STM32Cube Programmer. Note that regression RDP to level 0 will cause a flash memory mass to erase and the Factory AT Firmware can't be restored again.

2. The "PB13/SPI_SCK/BOOT" pin on the LoRa-E5 module is just a normal GPIO, not the "BOOT0" pin of the MCU. This "PB13/SPI_SCK/BOOT" pin is used in the bootloader of the Factory AT firmware, to decide to jump to APP or stay in bootloader(for DFU). The real "BOOT0" pin doesn't pinout to the module, so developers need to be careful when developing low-power applications.

2. Clock Configuration

    2.1 HSE

  • 32MHz TCXO

  • TCXO power supply: PB0-VDD_TCXO

    2.2 LSE

  • 32.768KHz crystal oscillator

3. RF Switch

LoRa-E5 module ONLY transmits through RFO_HP:

  • Receive: PA4=1, PA5=0

  • Transmit(high output power, SMPS mode): PA4=0, PA5=1


size 50*23mm
voltage - supply 3.7V - 5V
power - output up to +20.8 dBm at 3.3V
working frequency 868/915MHz
protocol LoRaWAN
sensitivity -116.5 dBm ~ -136 dBm
interfaces USB Type C / 2P-2.54mm Hole / 1*12P-2.54mm Header*2 / SMA-K / IPEX
modulation LoRa, (G)FSK, (G)MSK, BPSK
working temperature -40℃ ~ 85℃
current LoRa-E5 module sleep current as low as 2.1uA (WOR mode)
Part List:
LoRa-E5 mini *1
Antenna(EU868/US915) *1
USB TypeC (20cm) *1
Sticker *1 
1X12pin male pin headers *2



HSCODE 8517709000
USHSCODE 8517180050



Let's see how Eivind made a LoRa E5-based device that can measure the amount of snow on the ground.
This is a LoRa-E5 mini Development Board wiki page where you can find detailed info about the product, including its specifications, datasheet, how to use the product, etc.
HAL, Low-Layer APIs and CMSIS, File system, RTOS, KMS, Secure Engine, Sub-GHz Phy, LoRaWAN and Sigfox stacks - and examples running on ST boards
A nanoFramework + Seeed LoRa-E5 module based LoRaWAN client. Tested on The Things Network (TTN) and The Things Industries(TTI)



Write Your Own Review
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  1. Product Quality
    from order view
    Excellent build quality. Very tidy packaging. Really easy to get started and use. Antenna works well.
  2. Product Quality
    from order view
    Does what it needs to do - used in conjunction with STM32L073Z-EVAL as parcel box locker controller.
  3. Product Quality
    from order view
    It's a very nice product, but I wish it used the same UART port for the APP_LOG that the STM32 Nucleo boards used. It would be easier to use.
  4. Product Quality
    from order view
    Superior product. After short testing, it works very nicely.
  5. Product Quality
    from order view
    Documentation is a little bit thin. There is very limited info about this board from Seeed just some very basic information on how to get started. That lack of information really lets the excellent hardware down.


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