USED SIMPLEX 4100 1272 Circuit Board 0566127 Rev. K Orbit Surplus Simplex 4100 1271 Remote Master Telephone Simplex Fire Simplex 4100ES FAS Repeater Control Panel, For Fire Alarm Simplex 4100 1277 Fire Alarm, BDA and BIM Solutions Simplex 4100 1273 Telephone NAC Class A Adapter Module Nova Star Supply Simplex 4100 0036 Amplifier Battery Charger. Simplex 4100 1271 Remote Master Telephone. 4100ES Audio Systems provide voice communication, alarm tones, and or digitally prerecorded voice messages to alert occupants of fire or other emergency situations. Evacuation signaling may be automatically generated via alarm initiated event programs or by firefighting personnel using the operator controls. Additional information Weight 1 lbs Series Simplex 4100ES Condition New Brand Simplex Production Status Active Open Datasheet