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The B-L072Z-LRWAN1 LoRa®/Sigfox™ Discovery kit is a development tool to learn and develop solutions based on LoRa®, Sigfox™, and FSK/OOK technologies. This Discovery kit features the all-in-one CMWX1ZZABZ-091 open module by Murata. The module is powered by an STM32L072CZ microcontroller and SX1276 transceiver. The transceiver features the LoRa® long-range modem, providing ultra-long-range spread-spectrum communication and high interference immunity, minimizing current consumption. Since CMWX1ZZABZ-091 is an open module, the user has access to all STM32L072CZ peripherals such as ADC, 16-bit timer, LP-UART, I2C, SPI, and USB 2.0 FS (supporting BCD and LPM).
The B-L072Z-LRWAN1 Discovery kit includes an ST-LINK/V2-1 embedded debug tool interface, LEDs, push-buttons, antenna, Arduinoâ„¢ Uno V3 connectors and USB OTG connector in Micro-B format.
The LoRaWANâ„¢ stack supports Class A, Class B, and Class C. It is available in the I-CUBE-LRWAN firmware package. Several examples, including an AT-command stack, are available to help users set up a complete LoRaWANâ„¢ node.
The Sigfoxâ„¢ stack is RC1, RC2, RC3c, and RC4 compliant. It is available in the X-CUBE-SFOX Expansion Package. Several examples, including an AT-command modem, are also available to help users set up a complete Sigfoxâ„¢ node.Key Features
- CMWX1ZZABZ-091 LoRa®/Sigfox™ module (Murata)
- Embedded ultra-low-power STM32L072CZ MCU, based on Arm® Cortex®-M0+ core, with 192 Kbytes of Flash memory, 20 Kbytes of RAM, 20 Kbytes of EEPROM
- Frequency range: 860 MHz - 930 MHz
- USB 2.0 FS
- 4-channel,12-bit ADC, 2 × DAC
- 6-bit timers, LP-UART, I2C and SPI
- Embedded SX1276 transceiver
- LoRa®, FSK, GFSK, MSK, GMSK, and OOK modulations (+ Sigfox™ compatibility)
- +14Â dBm or +20Â dBm selectable output power
- 157Â dB maximum link budget
- Programmable bit rate up to 300Â kbit/s
- High sensitivity: down to -137Â dBm
- Bullet-proof front end: IIP3 = -12.5Â dBm
- 89Â dB blocking immunity
- Low Rx current of 10Â mA, 200Â nA register retention
- Fully integrated synthesizer with a resolution of 61Â Hz
- Built-in bit synchronizer for clock recovery
- Sync word recognition
- Preamble detection
- 127Â dB+ dynamic range RSSI
- LoRaWANâ„¢ Class A certified
- SMA and U.FL RF interface connectors
- Including 50-ohm SMA RF antenna
- 7 LEDs:
- 4 general-purpose LEDs
- 5 V power LED
- ST-LINK-communication LED
- Fault-power LED
- 1 user and 1 reset push-buttons
- On-board ST-LINK/V2-1 debugger/programmer with USB re-enumeration capability: mass storage, Virtual COM port, and debug port
- Arduinoâ„¢ Uno V3 connectors
- Board power supply through the USB bus or external VIN/3.3Â V supply voltage or batteries
- 3 × AAA-type battery holder for standalone operation
- Support of a wide choice of Integrated Development Environments (IDEs) including IAR™, Keil®, GCC-based IDEs, Arm® Mbed™
- CMWX1ZZABZ-091 LoRa®/Sigfox™ module (Murata)
Featured Videos
As part of our embedded online event, we had the pleasure of filming with Reinhard Keil, a Senior Director of Embedded Tools at ARM.
This video is about the STM32L5, our recently announced ultra-low power microcontroller bringing a new security dimension. The STM32L5 is now in full production and all its ecosystem is available including hardware kits, software tools, firmware and all documentations of course. This is our first STM32 based on Cortex-M33 and its Trustzone and using specific ST security implementation - watch the video to find out more!
The STM32L5 is based on Arm® Cortex-M33 and TrustZone® technology combined with STMicroelectronics security implementation. On your STM32L562E-DK discovery board, TrustZone is disabled (factory setting) and you can develop as on any other STM32 device. This video shows how to enable TrustZone on STM32L562E-DK discovery using STM32CubeProgrammer and create, compile and debug or run a new project with STM32CubeIDE. It also shows how to open an example project delivered in STM32CubeL5 MCU Package, modify, compile and debug or run it. For further information, you can refer to AN5394 and AN5424 application notes.
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Product Specifications (1)
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| 01 Oct 2020 |
01 Oct 2020
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Technical Notes & Articles (1)
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| 21 Nov 2019 |
21 Nov 2019
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User Manuals (3)
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30 Jun 2018
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10 Feb 2017
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Presentations (2)
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15 Oct 2019
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| 21 Jan 2020 |
21 Jan 2020
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Board Manufacturing Specifications (1)
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| ZIP | 25 Jul 2018 |
25 Jul 2018
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Bill of Materials (1)
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| ZIP | 06 Feb 2018 |
06 Feb 2018
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Schematics (1)
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| ZIP | 25 Jul 2018 |
25 Jul 2018
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Flyers (2)
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15 Oct 2019
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| 08 Jun 2020 |
08 Jun 2020
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Brochures (1)
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| 27 Mar 2020 |
27 Mar 2020
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Product Certifications (1)
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| 17 Oct 2019 |
17 Oct 2019
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License Agreement (2)
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21 Sep 2016
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19 Jan 2015
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CAD/EDA Symbols, Footprints and Models
Quality and Reliability
| Part Number | Marketing Status | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|
| B-L072Z-LRWAN1 |
Active
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Ecopack1 |
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B-L072Z-LRWAN1
Package:
Ecopack1Material 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 | Core Product | Marketing Status | Supplier | ECCN (US) | ECCN (EU) | Specific features | Country of Origin | WEEE Compliant | Budgetary Price (US$)*/Qty | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| B-L072Z-LRWAN1 | 4 distributors | Buy now | STM32L072CZ |
Active
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ST | 3A991A2 | NEC | - | TAIWAN | true | 46.5 / 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
