When we first started hearing about software-defined radio hacks (which often use USB dongles that ring it at under $20) we didn’t fully grasp the scope of that flexibility. But now we’… ...

In contrast, the RTL-SDR radio support package enables you to design wireless receivers using real-world signals. The RTL software-defined radio is based on the Realtek 2832RTL integrated circuit.

In this guide I will explain how to build an inexpensive SDR (software defined radio) capable of following trunked, digital voice radio transmissions with a single receiver that can be used to ...