- Industries requiring wireless channels for one to four users, as well as those that need the flexibility of expanded wireless support throughout large venues will be excited about the DX121 Digital Wireless Intercom System. Its compact, robust design was made for longevity. And its ease of use, added features, affordability, and expandability are the perfect solution for today's requirements. The DX121 easily plugs into the intercom headset jack of any hardwired intercom station, extending the range of the operator for up to 1,000 feet.
