SX1276 + STM32L073x

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The S76S is designed & manufactured in a smallest form factor - SiP (System in Package). It integrate with Semtech SX1276 and a 32-bit ultra low power Cortex M0L MCU (STM32L073x), supporting global 868 MHz or 915 MHz ISM-Bands.

Capable of 2-way communication and reach over 16 km (10 miles) distance in our field test.

This product is designed with multiple easy to use interface (I2C/SPI/UART/GPIO), fine-tuned RF performance and will be offered with complete SDK library & ready to go HDK, it can significantly help the users to shrink the size of end device and simplify the development efforts for any LoRa applications.

# EU 863-870
# US 902-928


  • Small footprint:13 mm x 11 mm x 1.1 mm
  • Epoxy molding finished module in LGA type
  • Embedded memories (up to 192 Kbytes of Flash memory and 20 Kbytes of RAM)
  • +20 dBm constant RF output vs. V supply
  • Programmable bit rate up to 300 kbps
  • High sensitivity:down to -137 dBm
  • FSK, GFSK, MSK, GMSK, LoRa and OOK modulation
  • Packet engine up to 256 bytes with CRC
  • Built-in temperature sensor and low battery indicator

Technical details

Block Diagram


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