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Small green PCB module with gold edge connector and metal shield

Seeed Studio

Seeed Studio Grove Wio-E5 LoRaWAN Module STM32WLE5JC

SKU CH-XC6C-A74FQ

A LoRaWAN module with STM32WLE5JC MCU and SX126x radio, Grove socket, AT command firmware, and FCC/CE/Telec certification for 868 MHz and 915 MHz bands

  • TypeSensors
  • Ultra-low-power ARM Cortex-M4 core runs at 48 MHz for efficient processing
  • LoRaWAN Class A/B/C with AT commands enables rapid IoT prototyping
  • +20 dBm output at 3.3 V extends wireless range in the field
  • Grove Unified Socket provides plug-and-play integration without soldering
  • FCC CE Telec certified module simplifies final device approval

Integrated LoRaWAN Module for IoT Prototyping

The Grove Wio-E5 module combines an ARM Cortex-M4 core with an SX126x radio in a single package running up to 48 MHz. It targets developers building low-power wide-area network prototypes for smart agriculture, meter reading or smart city deployments. The board provides a Grove Unified Socket for rapid connection without soldering. Buyers needing cellular or Wi-Fi connectivity cannot use this module.

Sustained Operation on Battery-Powered Nodes

The STM32WLE5JC MCU includes an adaptive real-time accelerator enabling zero-wait-state execution from Flash at 48 MHz. This architecture supports efficient duty-cycled transmission at up to 20 dBm output power while maintaining protocol compliance. The firmware handles LoRaWAN Class A, B and C operation across EU868, US915 and other regional plans without host intervention. Applications requiring continuous high-throughput streaming will exceed the link budget.

Low-Power Thermal Profile with Certified Compliance

Operating from a 3.3 V supply, the module draws minimal current during sleep and transmit cycles, producing negligible heat in enclosed sensor housings. With no active cooling required, acoustic noise is absent in typical deployments. Receiver sensitivity reaches -136 dBm, ensuring reliable uplink even at range. FCC, CE and Telec certifications reduce regulatory burden for final product integration.

Highlights

  • Ultra-low-power ARM Cortex-M4 core runs at 48 MHz for efficient processing
  • LoRaWAN Class A/B/C with AT commands enables rapid IoT prototyping
  • +20 dBm output at 3.3 V extends wireless range in the field
  • Grove Unified Socket provides plug-and-play integration without soldering
  • FCC CE Telec certified module simplifies final device approval

Specifications

TypeSensors

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