SimRadios CMU Communications Management UnitCondition:* Used, Removed From Service In Working Condition. As Pictured. Additional Notes:* PJ7 connector, supports SHS-1890* Ideal for ATC Simulation or Emergency Dispatch Call Operations* Supports USB 2.0* Plug and Play with Windows 11, 10, 8, and 7* Zero-latency sidetone (click for more)* Detects four PTTs (two in front and two in back)* Two 1/4 TRS female connectors for PTT input* Designed for industrial use* Two volume control knobs* Two analog line level audio output 3.5 mm TRS female connectors* Two microphone audio input 3.5 mm TRS female connectors* Two PTT LEDs* Controllable audio routing with volume levels for intercom* One line-out 1/8 TRS connector* One USB standard-B output female connector* Two DB9 female connectors with audio and PTT* Grounding connector for increased ESD protection* Mounting brackets allows for under desk attachment* Shock resistant* Metal casing* Physical Dimensions: 6x 5.75x 1.5* Includes rubber feet for use on a table top* Maintains six (6) audio output and two (2) audio input channels* Supports two individual users at the same time, ideal for student/instructor or operator/supervisor teams* Independent sidetone control for each userSimRadiosCMU