The FSE-BP50 is a rugged, water-resistant multi-channel beltpack that operates in the ISM license-free 5 GHz frequency range. The beltpack has an ergonomic design with nine programmable keys, large color screen, dedicated A & B encoders, individual level controls for C & D, and overall dedicated master volume control. The FreeSpeak Edge Digital Wireless RF Configuration Guide provides specifications, best practices and guidance for using the 5 GHz band and RF channels.