HackRF One is a versatile software-defined radio (SDR) that allows users to receive and transmit radio signals across a wide frequency range, from 1 MHz to 6 GHz. It is designed for experimentation and research in wireless communications, making it popular among hobbyists, engineers, and researchers. The device connects to a computer via USB and can be used with various software applications to analyze and manipulate radio signals. Its open-source nature encourages community development, enabling users to share projects and enhance the capabilities of HackRF One through custom software and hardware modifications.