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RAK 3x72

RAK 3x72

In flasher Active
RAKwireless

WisDuo 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

Power

Power draw (idle)
5.22 mA
Power draw (TX)
87 mA

Physical

Certifications
CE, FCC, ISED, UKCA

Connectivity

Wi-Fi
None

Details

Kind
Module
Lifecycle
Active
Family
rak-3x72
Firmware support
2
Catalog completeness
67 %

Firmware support

FirmwareTypeTargetStatusNotes
MeshCore (Reference)Referencerak3x72✓ Supported
MeshCoreNGForkrak3x72✓ Supported