New LoRa Chip Unveils Hidden SDR Capabilities

Recent developments in wireless technology have highlighted the ESP32's ability to function as an SDR, thanks to its hidden baseband mode. Now, the LR2021 LoRa chip has joined the list, offering SDR capabilities that extend beyond typical frequency ranges. This chip supports both 2.4 GHz and a broader range from 150 to 960 MHz, making it a versatile tool for various applications. The discovery was made by [Samson1te], who shared the findings in a comment on a receive converter post, complementing the ESP32 SDR project. The chip provides a 16-bit SDR with both receive and transmit functions, though it remains in its early stages of development. Comprehensive documentation is available for those interested in exploring this technology further. The main demonstration currently focuses on P25 digital voice, showcasing the chip's potential in real-world scenarios.