Call Audio Master Station Indoor Height (In.) 2 Width (In.) 8-3/16 Depth (In.) 6 Door Station Height (In.) 2 Door Station Width (In.) 8-3/16 Door Station Depth (In.) 6 Master Depth (In.) 2 Master Height (In.) 8-3/16 Master Width (In.) 6 Distance (Ft.) @ 18AWG 1600 Distance (Ft.) @ 22AWG 650 Wiring Conductors 12 Conductors Wire Type Shield Power Source 12VDC Voltage 12VDC For Use With LE Series Includes Mounting Hardware