Murata Type 1SJ Integrated LoRaWAN® Modem
Murata Type 1SJ Integrated LoRaWAN® Modem measures 10mm x 8mm x 1.6mm and is suitable for a wide range of high-volume applications where small size, long-range, extended battery life, security, and a competitive price point are requirements. Based upon a second-generation Semtech SX1262 radio frequency IC (RFIC), the Type 1SJ LoRa module also features an open STM32L0 microcontroller (MCU) from STMicroelectronics along with an RF switch, 192kB of Flash memory, and 20kB of RAM. This extensive memory provision ensures sufficient resources are available for the application layers. Also housed in the tiny module is a temperature-controlled crystal oscillator (TXCO) and multiple communication interfaces, including UART/I2C/SPI/ADC/USB and various GPIOs.
Operating from a single supply rail (up to 3.9VDC), the Type 1SJ module incorporates several low-power modes that allow the real-time clock (RTC) to operate while drawing a typical current of 1.3µA. This enhanced current consumption allows devices to operate from a single battery for years. The open MCU enables the module to be easily flashed with code from Trusted Objects “TO Protect Library” that ensures the Flash memory is secure and encrypted, protecting the end system against the ever-increasing threat of malicious tampering. The resin mold package provides physical ruggedness, allowing the module to operate across a -40°C to +85°C temperature range.
Features
- Antenna printed PCB, whip, flexible antenna
- AT-Command over UART for ease of use
- LoRaWAN certified
- Higher RF output power using SX1262
- LoRa Alliance FUOTA support
- Low power consumption
- FCC/IC/CE "reference" certified
- LoRaWAN class A, B, and C support
- Small, highly integrated LoRaWAN modem
- Allows simple RF design with only antenna attachment
- Quick time to market LoRaWAN solution for Semtech SX1262 customers
- LoRaWAN stack is included in modem firmware, allowing a simple host MCU design
Applications
- Asset tracking
- Utilities
- Agriculture
- Smart cities
- Smart buildings
- Industrial
- IoT applications
Specifications
- 3.3V voltage input
- -40°C to +85°C operating temperature range
- Consumer-grade
- 860MHz to 930MHz frequency range
- Semtech (SX1262) + STM (STM32L) chipset
- FSK, OOK, and LoRa™ modulation
- External antenna
- Integrated 32MHz system clock
- Up to +22dBm transmit power
- LGA mounting type
- Resin molded package
- 10mm x 8mm x 1.6mm in dimension
- 3.3VDC supply voltage
- LPWA technology
- I2C/UART/USB/SPI host interface
- 118mA transmit mode current at 22dBm setting
- 15.5mA receive mode current at 125kHz BW
Block Diagram
Additional Resources
Development Tool
Murata Type 1SJ Modem Evaluation Kit
Complete reference hardware & software development kit for the Type 1SJ Integrated LoRaWAN Modem.
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