Product overview
Description
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, Arduino™ Uno V3 connectors and USB OTG connector in Micro-B format.
The LoRaWAN™ 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 LoRaWAN™ node.
The Sigfox™ 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 Sigfox™ node.
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All 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)
- +14 dBm or +20 dBm selectable output power
- 157 dB maximum link budget
- Programmable bit rate up to 300 kbit/s
- High sensitivity: down to -137 dBm
- Bullet-proof front end: IIP3 = -12.5 dBm
- 89 dB blocking immunity
- Low Rx current of 10 mA, 200 nA register retention
- Fully integrated synthesizer with a resolution of 61 Hz
- Built-in bit synchronizer for clock recovery
- Sync word recognition
- Preamble detection
- 127 dB+ dynamic range RSSI
- LoRaWAN™ 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
- Arduino™ Uno V3 connectors
- Board power supply through the USB bus or external VIN/3.3 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)
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All tools & software
All resources
| Resource title | Latest update |
|---|
Product Specifications (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 06 Jun 2019 | 06 Jun 2019 |
Technical Notes & Articles (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 21 Nov 2019 | 21 Nov 2019 |
User Manuals (3)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 30 Jun 2018 | 30 Jun 2018 | |||
| 25 Feb 2019 | 25 Feb 2019 | |||
| 09 Feb 2017 | 09 Feb 2017 |
Presentations (2)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 19 Mar 2021 | 19 Mar 2021 | |||
| 24 May 2021 | 24 May 2021 |
Flyers (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 21 Dec 2020 | 21 Dec 2020 |
Product Certifications (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 17 Oct 2019 | 17 Oct 2019 |
License Agreement (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 21 Sep 2016 | 21 Sep 2016 |
Evaluation Board Terms of Use (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 28 Apr 2021 | 28 Apr 2021 |
All resources
| Resource title | Latest update |
|---|
Board Manufacturing Specifications (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| ZIP | 25 Jul 2018 | 25 Jul 2018 |
Bill of Materials (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| ZIP | 06 Feb 2018 | 06 Feb 2018 |
Schematic Pack (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| ZIP | 25 Jul 2018 | 25 Jul 2018 |
Quality and Reliability
| Part Number | Marketing Status | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|
| B-L072Z-LRWAN1 | Active | Ecopack1 | |
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 | 6 distributors | Buy Direct | STM32L072CZ | Active | ST | 3A991A2 | NEC | - | TAIWAN | true | 46.5 / 1 |
(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
