RAK 3x72
In flasher ActiveWisDuo LPWAN module based on STM32WL with an integrated LoRa transceiver for compact mesh builds and embedded devices. The MeshCore profile targets bare module integration rather than a finished handheld or display device.
~$6 approx (2026-06)
- MCU
- ST STM32WL
- Radio
- ST STM32WL (integrated LoRa)
- Display
- None
- GPS
- None
- Battery
- None
Hardware
Radio
- Technology
- LORA
- Chip
- ST STM32WL (integrated LoRa) ↗
- Band
- EU433 / CN433CN470IN865EU868US915 / AU915KR920AS923
- TX power
- 22 dBm
- TX efficiency
- 1.82 mW/mA
- Antenna
- U.FL/IPEX
Processor
- Family
- ST STM32WL ↗
- Architecture
- ARM Cortex-M4
- Flash
- 0.25 MB
- RAM
- 64 KB
Battery
- Battery
- None
- Built-in
- No
- Charging
- No
Physical
- Certifications
- CE, FCC, ISED, UKCA
Connectivity
- Wi-Fi
- None
Firmware support
| Firmware | Type | Target | Status | Notes |
|---|---|---|---|---|
| MeshCore (Reference) | Reference | rak3x72 | ✓ Supported | |
| MeshCoreNG | Fork | rak3x72 | ✓ Supported |