The RFM95 900MHz LoRa Radio supports wireless networks that are more flexible than BLUETOOTH® LE. In addition, the device does not have the high-power requirements of WiFi. The Feather M0 with RFM95 900MHz LoRa Radio operates using the ATSAMD21G18 ARM Cortex M0 processor, which is clocked at 48MHz and at 3.3V logic. The processor offers 256K of flash and 32K of RAM. The built-in USB provides a USB-to-Serial program and debug capability.