Description
DESCRIPTION
The KB-3SD is an audio-only sub-master station for use in a KB-3MRD system. One or two KB-3SD's can be used in place of KB-3HRD sub-master station.
FEATURES
- Internal All Call
- Chime and receiver volume control
- Optional selective door release with RY-3DL
- Two-way communication between inside stations
- Max. 2 per system
