• Type ABZ is a new, compact, low cost, low power wide area network (LPWAN) wireless module that supports the LoRaWAN long range wireless protocol.
  This new stand-alone module measures just 12.5 x 11.6 x 1.76 mm, is constructed in a metal shielded package and comprises a Semtech SX1276 ultra long range spread spectrum wireless transceiver and an STMicro STM32L0 series ARM Cortex-M0+ 32 bit microcontroller (MCU).
  An integrated TCXO that has robust low drift thermal characteristics provides an accurate clock source for the RF transceiver.

• This module can transfer data via a UART, SPI, or I2C peripheral interface.
  It is equipped with an ADC and up to 18 GPIO channels, allowing for flexible connections with sensors, switches, and status LEDs. Murata’s CMWX1ZZABZ module has pre-certified radio regulatory approvals for use on the 868 MHz and 915 MHz industrial, scientific, and medical (ISM) bands in most geographical regions of the world.

• The normal output power is +14 dBm but a PA boost function can be selected to increase RF output to +20dBm for long range applications or those where the end-device is sited in a poor signal location indoors.
  The MCU includes 192 kB flash and 20 kB RAM, and has enough memory to embed customer applications and host other modulation stacks.

• In addition, the CMWX1ZZABZ-078 embeds (as option) Trusted Objects TO-Protect.
  A secure software library for generic MCU that provides enhanced security on LoRaWAN. IoT application developers can easily assess the solution using the evaluation kit B-L072Z-LRWAN1 equipped with this small form factor module.

• Typical applications for this module include smart metering, wearables, tracking, M2M and internet of things (IoT) edge nodes. Accommodating a wide range of temperatures, the module can operate from -40 to +85 °C.

II. Block Diagram

III. Application Guide