C-123L/A: Single master set includes a door station (C-D) and a master stations (C-ML/A). Additional masters may be added. Each master requires a separate power supply, either the SKK-620 or 4 "C" batteries. The door station calls the master(s) by pressing a call button that initiates a chime. Communication is Push to talk/release to listen at the master and hands free at the door station. Communication times out after being idle for twenty seconds. Main Features Box set includes C-ML/A and C-D Chime from door station answered from inside station Door release Specs Power Consumption: 85mA (6V DC) max. Output: 100mW Type of communication: Push-to-talk (simplex) Door Release Contact: N/O dry contact, 30V AC/DC 1A Mounting: Wall mount Wire Type: 2-cond., overall shield - use Aiphone #822202(22AWG) or #821802(18AWG) Wire Distance: Door Station to farthest Master Station: 245'(22AWG), 590'(18AWG)
