Datavideo ITC-300 Digital Intercom SystemOne of the innovative features of the rack mountable ITC 300 Digital Intercom System from Datavideo is that it can use headsets ranging from low cost cell phone headsets to high quality professional units. Up to 8 users can be connected to the ITC 300 via PTT wired beltpacks. The base station features all call and mute buttons, a mic input, built in speaker, and standard headphone jacks. Supports up to 8 wired users Uses your choice of headsets, from