what is a lora and dau?
 The mission of the Defense Acquisition University is to provide practitioner training, career management, and services to enable the AT&L community to make smart business decisions and deliver timely and affordable capabilities to the warfighter and LoRa is a unique modulation format that can be generated by Semtech LoRa IOT parts, including the SX1272 and SX1276 transceiver chips. 