5 Person Multichannel Translation System with Interpreter Monitor 17-channel digital FM transmitter with LCD screen 20-channel digital FM receivers with LCD screen (no backlight) Complimentary double earphones Multiple carrying options included: belt clip, Velcro armband, neck strap Operating range of 500 ft (152m) (Expandable up to 1000 ft with extended antenna) Superb Audio Quality. Long transmission range of up to 1000 ft. 17 selectable channels. Multiple inputs and connector types for speech, music or any other audio signals.Tabletop or rack-mountable, easy set-up and operation. Compatible with most FM receivers working in the 72-76MHz band including the following models: Williams Sound: PPA R37, PPA R37-8, PPA R38, PPA R35, PPA R38-8 Listen Technologies: LR-300-072, LR-400-072, LR-500-072, LR-5200-072 , LR-4200-072 Telex: SR-50, SR-400. Gentner: RX-1a, Digital 6, Digital 1, Digital 6 Plus. 20 programmable channels Small &amp; lightweight Headphones included Easy to use Compatible with most 72-76 Mhz FM systems Holds up to 10 R-120 FM receivers Convenient compartment for headphones and other accessories Metal core hinges Strong polypropylene body Custom die cut polyethylene foam divisions for R-120 receivers and accessories