Details Compatible for Gemini Matrix Intercom 4 display touchscreens Hi-resolution color displays 8-character alpha-numeric displays Independent gain control per channel Last caller audio replay Telephone dial mode Comprehensive system menu and user configuration 2 x GPI-In / 2 x GPI-Out Connection via LAN Item Code 700-37-03: 2U Rackmount 30-Key Technical Specifications Touch Keys 30 fully-programmable (30 more via shift function) Display 8 character touch zone per key Suitable Headset Dynamic or Electret microphone and low impedance earpiece Microphone 280mm fixed gooseneck Power 20V A (85-264V AC) IEC mains connector Connectors Matrix Interface, expansion: Ethernet RJ45 Headset: XLR5 Audio I/O: 15-pin, D type GPIO: 15-pin, D type Dimensions 19 x 3.5 x 3.1in (WxHxD) 485 x 88.9 x 80mm Weight 3.9lbs (1.79kg)