The Clarity PTS-500-OP3 is a specialized 6-wire push-to-signal telephone handset built for radio dispatch rooms, FAA towers, and professional communication consoles.
 
It is a heavy-duty, commercial-grade dispatch handset. It is custom-built for high-consequence environments like public safety dispatch centers, FAA control centers, and military or industrial radio consoles. It provides tactile control over transmission signals using specialized multi-conductor hardware.