Aiphone LEF Series Audio Intercom

Key Features:
- Intermixable system with any number of master and sub stations to maximum capacity (11 units)
- Selective calling and monitoring
- Push-to-talk at master, hands-free reply at called station
- Selective door release (w/ RY-PA per door) available
- All Call with LEF-10S and all LEF-C masters (requires BG-10C)