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The X-NUCLEO-S2868A2 expansion board is based on the S2-LP ultra-low power RF transceiver and operates in the 868 MHz ISM frequency band.
The X-NUCLEO-S2868A2 interfaces with the STM32 Nucleo microcontroller via SPI connections and GPIO pins. You can change some of the GPIOs by mounting or removing the resistors.
The expansion board is compatible with ST morpho and Arduino UNO R3 connectors.Key Features
- Based on S2-LP radio
- S2-LP narrow band ultra-low power sub-1 GHz transceiver tuned for 860 - 940 MHz frequency band
- Programmable RF output power up to +16 dBm
- Modulation schemes: 2-FSK, 2-GFSK, 4-FSK, 4-GFSK, OOK and ASK
- Air data rate from 0.1 to 500 kbps
- Ultra-low power consumption: 7 mA RX and 10 mA TX at +10 dBm
- IEEE 802.15.4g hardware packet support with whitening, FEC, CRC and dual SYNC word detection
- RX and TX 128 byte FIFO buffers
- Support to wireless M-Bus
- Excellent performance of receiver sensitivity (up to -130 dBm)
- Automatic acknowledgement, retransmission and timeout protocol engine
- Compatible with STM32 Nucleo boards
- Compatible with Arduino UNO R3 connectors
- BALF-SPI2-01D3 IPD balun for matching network and harmonics filter
- Sigfox compatible
- Sample firmware for P2P communication
- 6LoWPAN compatible thanks to STM32Cube
- RoHS and WEEE compliant
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Guided tour into STM32 ODE and how it can help developers turn bright ideas into great products
The STM32 Open Development Environment is a flexible, easy and affordable way to develop innovative devices and applications. It is based on STM32 Nucleo boards and STM32Cube software.
Embedded Software
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Picture Part number Manufacturer Description 
STSW-S2LP-DK ST Evaluation SW package based on S2-LP 
STSW-S2LP-SFX-DK ST Evaluation SW package based on S2-LP Part NumberEvaluation SW package based on S2-LP
Evaluation SW package based on S2-LP
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Picture Part number Manufacturer Description 
FP-ATR-SIGFOX1 ST STM32Cube function pack for IoT tracker node with Sigfox™ connectivity, Bluetooth connectivity and sensors 
X-CUBE-SFXS2LP1 ST Sigfox software expansion for STM32Cube based on S2-LP 
X-CUBE-SUBG1 ST Sub-1 GHz RF communication software expansion for STM32Cube 
X-CUBE-SUBG2 ST Sub-1 GHz RF communication software expansion for STM32Cube based on S2-LP Part NumberSTM32Cube function pack for IoT tracker node with Sigfox™ connectivity, Bluetooth connectivity and sensors
Sigfox software expansion for STM32Cube based on S2-LP
Sub-1 GHz RF communication software expansion for STM32Cube
Sub-1 GHz RF communication software expansion for STM32Cube based on S2-LP
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Evaluation Tools
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Picture Part number Manufacturer Description 
NUCLEO-F401RE ST STM32 Nucleo-64 development board with STM32F401RE MCU, supports Arduino and ST morpho connectivity 
NUCLEO-L053R8 ST STM32 Nucleo-64 development board with STM32L053R8 MCU, supports Arduino and ST morpho connectivity 
NUCLEO-L152RE ST STM32 Nucleo-64 development board with STM32L152RE MCU, supports Arduino and ST morpho connectivity Part NumberSTM32 Nucleo-64 development board with STM32F401RE MCU, supports Arduino and ST morpho connectivity
STM32 Nucleo-64 development board with STM32L053R8 MCU, supports Arduino and ST morpho connectivity
STM32 Nucleo-64 development board with STM32L152RE MCU, supports Arduino and ST morpho connectivity
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Quality and Reliability
| Part Number | Marketing Status | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|
| X-NUCLEO-S2868A2 | Active | Ecopack2 | |
X-NUCLEO-S2868A2
Package:
Ecopack2Material Declaration**:
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
Sample & Buy
| Part Number | Order from Distributors | Order from ST | Marketing Status | Core Product | Board production status | ECCN (US) | Country of Origin | Budgetary Price (US$)*/Qty | |
|---|---|---|---|---|---|---|---|---|---|
| X-NUCLEO-S2868A2 | 2 distributors | Buy now | Active | S2-LP, BALF-SPI2-01D3 | Stock available | EAR99 | ITALY | 29.0 / 1 |
(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
