WillowBee is an industrial wireless microcontroller module that is designed for LoRaWAN sensor end-node designs and embedded applications that need LoRaWAN communications. WillowBee uses the popular STM32WL Cortex-M4 microcontroller from ST Micro. This microcontroller combines a computer unit and a LoRaWAN radio on a single chip.

WB-1 - Industrial LoRaWAN Wireless Module

WillowBee is pin compatible with other popular wireless devices. WillowBee is fully backed by a 3-year warranty, technical support and application assistance from BiPOM Electronics, Inc.


  • Built-in LoRaWAN 1.1.0 Stack
  • Ultra Low Power
  • Suitable for battery operation
  • User programmable
  • Configurable power output
  • Maximum output power: 22 dBm
  • Frequency Bands: US915 /AS915/ AU915/EU868/CN779/EU433/KR920/IN865/RU86(Supported but not officially certified in all regions)
  • 64 KB of RAM and 256 KB of Flash available for user applications
  • Pin compatible with popular modules
  • U.FL Connector
  • Dual Power option: Battery or DC Power
  • Temperature Range: -40°C to +85°C
  • Dimensions 1.36" x 0.96" x 0.36"(34.54 mm x 24.38 mm x 9.14 mm)
  • 2 LEDs and 1 Button
  • 32-Mbit Serial Flash
  • 15 Configurable Pins
  • Drivers for ADC/IO/DAC/SPI/UART/I2C Protocols
  • Warranty Period: 3 years