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Description: LoRa®-E5 (STM32WLE5JC) Module: 1. Long Range Wireless Communication: This module is a Low Power Wide Area Network (LPWAN) solution based on the LoRa® technology, enabling long-range, low-power wireless communication for Internet of Things (IoT) applications. 2. STM32 Microcontroller: Integrates an STM32WLE5JC microcontroller featuring an Arm Cortex-M4 processor, providing advanced computing capabilities and efficient energy consumption. 3. LoRa® Transceiver: Features the Semtech SX1305 LoRa® transceiver for reliable communication in IoT networks with a range up to several kilometers in rural areas and hundreds of meters in urban environments. 4. Customizable Frequency Ranges: Supports frequency bands from 137 MHz to 960 MHz, enabling the use of this module in various regions and applications. 5. Sleep Mode: Enhances power efficiency by utilizing deep sleep mode with a current consumption as low as 0.4µA (RTC running). 6. Integrated Crystal Oscillator: Provides an on-board 32.768 kHz
| Specification | Details |
|---|---|
| Microcontroller | STM32WLE5JC Arm Cortex-M4 |
| Memory | Flash: 192 KB RAM: 96 KB |
| LoRa Mode | LoRa Modem with spread spectrum |
| Frequency Range | 137 MHz - 960 MHz (depending on |
| Bandwidth | Up to 500 kHz |
| Spreading Factors | SF7-SF12 |
| Data Rate | up to 27 kbps |
| Sensitivity | -148 dBm (for SF12 BER=10^-4) |
| Communication Protocols | LoRaWAN FSK GFSK MSK |
| Interface | UART I2C SPI ADC GPIO |
| Power Supply | 1.8V to 3.6V (regulated by onboard |
| Operating Temperature | -40°C to +85°C |
