OTTAWA, ONTARIO — Take an Android tablet computer, a wideband RF tuner that covers from 100 kHz to 2 GHz, and two audio speakers. Integrate them in a rugged ABS plastic carrying case. What do you have ...

While most smartphones can receive at least some radio, transmitting radio signals is an entirely different matter. But, if you have an Android phone and a few antennas (and a ham radio license) it ...

Traditionally, working with RTL-SDR required a deep understanding of radio frequency (RF) principles and a significant investment in sourcing compatible components. This complexity often posed a ...