CS-210 2-Channel Intercom Master from Clear-Com is a two-channel master unit designed for professional intercom systems. It acts as a central hub in a Clear-Com partyline network, providing two independent intercom channels with front-panel channel select and talk/listen controls, and compatibility with standard beltpacks and wall plates. The unit is intended for rack mounting in broadcast, theater, and live event applications, integrating with Clear-Com infrastructure.