OpenEar is a Windows-based application designed to decode unencrypted TETRA (Terrestrial Trunked Radio) signals when used with an RTL-SDR dongle. It is popular among hobbyists for its ease of use compared to complex Linux-based setups. Key Features Decodes voice from TETRA signals in real-time. Simplified user interface for Windows users. Typically requires the Microsoft Visual C++ Redistributable Package Downloading OpenEar