Wio-E5 LoRa Wireless Module (STM32WLE5JC) – ARM Cortex-M4 MCU with SX126x Transceiver, LoRaWAN Support for EU868 & US915 -Seeed Studio
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The Wio-E5 LoRa wireless module (STM32WLE5JC) is a powerful and compact long-range communication solution designed with a Stamp Hole form factor for easy integration into your device’s mainboard.
Featuring the ARM Cortex-M4 MCU with SX126x LoRa transceiver, it supports multiple global frequency plans (EU868, US915, AU915, AS923, KR920, IN865) and is fully compatible with LoRaWAN® Class A/B/C protocols, making it suitable for diverse IoT applications.
Its pre-certified design also ensures faster time-to-market while reducing certification costs.
With built-in AT command firmware, the Wio-E5 allows beginners to prototype or deploy applications quickly using simple commands.
At the same time, advanced developers can take advantage of the SDK to build fully customized solutions.
Combining high performance, global compatibility, and ease of use, the Wio-E5 makes deploying reliable, scalable IoT systems more efficient than ever.
| Items | Parameter | Specifications | Unit |
|---|---|---|---|
| Core | MCU | ARM Cortex M4 | - |
| Storage | - | 256KB Flash, 64KB SRAM | KB |
| Structure | Size | 12(W) × 12(L) × 2.5(H) | mm |
| Package | 28 pins, SMT | - | |
| Electrical Characteristics | Power supply | 3.3V type | V |
| Minimum sleep current | 2.1uA (SOC) | uA | |
| Operation current (Transmitter+MCU) | 50mA @10dBm in 434MHz type | mA | |
| 111mA @22dBm in 470MHz type | mA | ||
| 111mA @22dBm in 868MHz type | mA | ||
| Operation current (Receiver+MCU) | 6.7mA @BW125kHz, 868MHz type | mA | |
| 6.7mA @BW125kHz, 434MHz type | mA | ||
| 6.7mA @BW125kHz, 470MHz type | mA | ||
| Output power | 10dBm max @434MHz | dBm | |
| 22dBm max @470MHz | dBm | ||
| 22dBm max @868MHz | dBm | ||
| Sensitivity @SF12, BW125kHz | 434 MHz: -134.5 (typ), -136 (max) | dBm | |
| 470 MHz: -136.5 (typ), -137.5 (max) | dBm | ||
| 868 MHz: -135 (typ), -137 (max) | dBm | ||
| Harmonics | < -36dBm below 1GHz | dBm | |
| < -40dBm above 1GHz | dBm | ||
| Interface | RFIO | RF port | - |
| UART | 3 groups, includes 2 pins | - | |
| I2C | 1 group, includes 2 pins | - | |
| ADC | 1 input, 12-bit 1Msps, 1 pin | - | |
| NRST | Manual reset pin input | - | |
| SPI | 1 group, includes 4 pins | - | |
| Working Temperature | - | -40℃ ~ 85℃ | ℃ |
This product comes with a 1-year manufacturer warranty from the date of purchase, covering manufacturing defects only.
The product shows signs of physical damage, mishandling, exposure to water/moisture, fire, natural calamities, unauthorized repairs, improper storage near heat or direct sunlight, or alteration in any way.
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