Digital Pocket Tourguide Transmitter for tour applications with ATS-20R pocket receivers. • High resistance to interference due to digital transmission • Long operating range (up to 100m outdoors) • Audio optimised for speech clarity • 16-selectable digital channels • Parallel operation of up to 4 different channels in the same space possible without any interference • Extra small and lightweight transmitters and receivers • Licence-free in the EU and UK. 863-865 MHz. • With a fully charged battery, the operating time is approx. 16 hours Included accessories: • Detachable neck lanyard • Lapel microphone 3-year manufacturer UK warranty with UK service centre.