What is SDR?

Software-defined radio (SDR) is a radio communication system where components that have been traditionally implemented in hardware (e.g., mixers, filters, amplifiers, modulators/demodulators, detectors) are instead implemented by means of software on a personal computer or embedded system. SDR is used in a variety of applications, including mobile communication, public safety, and military systems, due to its flexibility and adaptability. It allows for easy modification of radio characteristics via software updates, enabling support for different radio standards and protocols with the same hardware.