The Fricke Granit Radio Heeslingen 170 BT is a robust 12/24V radio designed for agricultural and construction machinery. It features Bluetooth connectivity for hands-free calling and audio streaming, a USB port, AUX input, and SD card slot for versatile media playback of MP3 and WMA files. The radio includes RDS (Radio Data System) for enhanced FM reception and is ECE R10 certified for electromagnetic compatibility, ensuring reliable operation in demanding environments. With a compact installation depth of 120 mm, it offers a practical solution for vehicle audio needs.