Sigfox  

Sigfox wireless connectivity employs a proprietary technology which uses the 868 MHz (Europe) and 902 MHz (US) frequencies in the Industrial, Scientific and Medical (ISM) radio band. It utilizes ultra-narrowband modulation to enable low-power wide-area network (LPWAN) communication that provides a wide-reaching signal as it can freely pass through solid objects while requiring little energy. The network is based on a one-hop star topology and requires a mobile operator to carry the generated traffic. It ensures long-range communication at a very attractive power budget enabling devices in the network to be powered through energy harvesting technologies.

Sigfox and ST have partnered to provide silicon solutions that enable the implementation of cost-effective Machine-to-Machine (M2M) Internet-of-Things (IoT) networks.

sigfox block diagram

Part Number

Description

STEVAL-FKI868V2
Sub-1GHz (860-940 MHz) transceiver development kit based on S2-LP
STEVAL-FKI915V1
Sub-1GHz transceiver development kit based on S2-LP
STEVAL-FKI001V1
Dual radio BLE and Sub-1GHz development kit for Sigfox™ and LPWAN protocols with BlueNRG-1 and S2-LP
X-NUCLEO-IDB05A1
Bluetooth Low Energy expansion board based on SPBTLE-RF module for STM32 Nucleo
X-NUCLEO-S2868A1
Sub-1 GHz 868 MHz RF expansion board based on S2-LP radio for STM32 Nucleo
X-NUCLEO-NFC05A1
NFC card reader expansion board based on ST25R3911B for STM32 and STM8 Nucleos
X-NUCLEO-IKS01A2
Motion MEMS and environmental sensor expansion board for STM32 Nucleo

Technical Documentation

Application Notes
Description Version Size
AN2348 AN2348: IPAD™ 400 µm Flip Chip: package description and recommendations for use 5.0 261 KB
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Presentations & Training Material

Presentations
Description Version Size
IoT World ST Smart Parking 1.0 7 MB
IoT connectivity made easier with STM32 MCUs and LoRa 1.3 2 MB
STM32 and STM8 embedded software solutions 6.0 2 MB
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Publications and Collaterals

Flyers
Description Version Size
Complete Ecosystem for Sigfox™ IoT devices 1.0 579 KB
Optimized Secure Solution Sigfox Ready™ IoT devices 1.0 575 KB
S2-LP:Ultra-low-power, high-performance, sub-1GHz RF transceiver 4.0 1 MB
STM32Cube eases STM32 development 18.12 1 MB
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Brochures
Description Version Size
Making Sigfox devices easy and secure 1.0 1 MB
STM32 32-bit MCU family - Leading supplier of Arm® Cortex®-M microcontrollers 18.02 2 MB
STM32 Open Development Environment Brochure 17.09 1 MB
STM32L series - Ultra-low-power 32-bit MCUs 18.11 5 MB
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Embedded Software
Evaluation Tool Software
MCUs Embedded Software

EMI Filtering and Signal Conditioning

Part Number Description
BALF-SPI2-01D3 50 Ω nominal input / conjugate match balun to S2-LP,868 - 930 MHz with integrated harmonic filter
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Microcontrollers

Part Number Description
STM32L053R8 Ultra-low-power ARM Cortex-M0+ MCU with 64 Kbytes Flash, 32 MHz CPU, USB, LCD
STM32L476RG Ultra-low-power with FPU ARM Cortex-M4 MCU 80 MHz with 1 Mbyte Flash, LCD, USB OTG, DFSDM
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Secure MCUs

Part Number Description
STSAFE-A1SX Secure element for Sigfox LPWAN network
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Wireless Transceivers, MCUs and Modules

Part Number Description
S2-LP Ultra-low power, high performance, sub-1GHz transceiver
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Support & Community
Featured Products

Sigfox in Your City? ST’s Embedded Software Brings It Closer to Home
Blog article

Sigfox-certified, sub-1GHz radio-matched balun
BALF-SPI2-01D3, for 868-927 MHz S2-LP-based RF applications

Featured Videos

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