CMWX1ZZABZ-091

RF Transceiver Modules And Modems Overview

The Murata CMWX1ZZABZ-091 is a surface-mount Sub-GHz RF transceiver module designed for low-power wide-area (LPWA) applications. It integrates an STM32L072 microcontroller and an SX1276 LoRa transceiver, supporting frequencies of 868 MHz and 915 MHz within the ISM bands. The module delivers a transmit power of 14 dBm with a receive sensitivity of -133 dBm. Electrical specifications include a receiving current of 23 mA and a transmitting current of 106 mA at a supply voltage of 3.3 V. It operates within a temperature range of -40°C to +85°C and supports I2C, SPI, UART, and USB interfaces.

RF Transceiver Modules And Modems Feature Summary

• Integrates an ARM Cortex-M0+ microcontroller with a dedicated LoRa transceiver for efficient protocol handling.
• Supports multiple modulation schemes including LoRa, FSK, GFSK, MSK, and OOK for versatile communication needs.
• Provides pre-certified regulatory approvals for industrial, scientific, and medical band usage.
• Offers extensive peripheral access via open module design, including ADC, timers, and standard serial interfaces.

RF Transceiver Modules And Modems Applications

• LoRaWAN network node development
• Sigfox IoT device implementation
• Industrial sensor data acquisition systems
• Smart metering infrastructure

RF Transceiver Modules And Modems Procurement Notes

Verify component status carefully as this part is scheduled for obsolescence and will be discontinued by the manufacturer. Confirm availability through authorized distributors and check for valid replacement alternatives before finalizing procurement plans. Ensure compliance with RoHS3 standards and moisture sensitivity level requirements during storage and handling processes.

RF Transceiver Modules And Modems Selection Notes

Select this module when a compact, integrated solution combining MCU and RF capabilities is required for Sub-GHz LPWA networks. It is suitable for designs needing LoRa or Sigfox compatibility with minimal external components. Consider the available interface options and the specific frequency band requirements of the target region. Evaluate the trade-off between the integrated architecture and potential future availability constraints due to end-of-life status.

RF Transceiver Modules And Modems Part Context

This module belongs to the Type ABZ series from Murata Electronics, which focuses on enabling IoT applications through wireless connectivity. The CMWX1ZZABZ-091 variant specifically targets the 868 MHz and 915 MHz markets, providing a complete hardware platform for developers. It serves as a foundational component for creating certified wireless devices without requiring separate RF certification efforts for the radio section.

RF Transceiver Modules And Modems Replacement Considerations

CMWX1ZZABZ-093