Handset Master Station. Handset for privacy communication. Door station to master station- Aiphone #822202 wire type. 500' (22AWG), 1,200' (18AWG) distance.
- 4-tone chime from door
- Call extension speaker or external signaling relay can be added
- Adjustable chime volume
- Door release
- AC or DC powered (12 - 16V AC or 12 - 24V DC)