The AI50H integrates ARM CM4 MCU and Sigfox/LoRa/FSK modulation that provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
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Countries adapted for RC1

Commercially availableJun, 2021


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    。Chipset : STM32WLE5

    。 ARM® Cortex®-M4 32-bit RISC core operating up to 48 MHz frequency

    。 Embedded memories (256 Kbytes of Flash memory and 64 Kbytes of RAM) 

    。 Built-in 32 MHz TCXO & 32 KHz XTAL 

    。 Rich peripheral : 2 DMA, 2 USART, 1 LPUART, 2 SPI, 3 I2C

    。 RTC wakeup counter, SysTick, Watchdog 

    。Modulation: LoRa®, (G)FSK, (G)MSK and BPSK. Sigfox:DBPSK, 2GFSK. 

    。LoRa:+21 dBm Max. RF output , Sigfox RC1 : +13dBm Max. RF output.

    。High sensitivity: down to -138 dBm 

    。I-PEX MHF Connecter 

    。Small footprint:20 mm x 20 mm x 1.95 mm(Typ.) 

    。Safety Certification approval: CE/FCC/TELEC/NCC  

    。Open software stacks 



Sigfox Verified

End Product Certificate M_00BB_D8A2_01





Commercially availableJun, 2021
Where to buy ?

Through distributors

Warranty duration

1 year(s)


FOB – Free on Board

EXW – Ex Works

Technical Details

Product casing

Dimensions (in mm): 20 x 20 x 1.95

Weight: 1.6gr

Sigfox Connectivity


Max Tx Radiated Power: +13 dBm

Rx Sensitivity: -138 dBm

Product electrical characteristics

Power Supply: From 1.8V to 3.6V

Power Consumption:

Tx: 85 mA

Rx: 6.5 mA

Idle: 1.3 μA

Embedded Software

SDK: Yes

External antenna

A connector for an external antenna is available


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