Audio Integration Unit Expansion unit 12 Apt.
Features: - Extends the built-in audio module assembly by a further 12 binary inputs
- With interface for the connection of additional built-in keypad extensions
- The built-in audio module can be extended to a maximum of 99 inputs for doorbell push-switches with the aid of the built-in keypad extension
- Temperature range (Device): -25°C to 55°C
- Dimensions: (LxWxD): 68x50x24