Bell System Speech Unit Model 61
Features:
- Compact unit fitted to the entrance panel on most current Bell System door entry systems
- Provides two-way speech
- Has an individual volume control for both microphone and speaker
- Can be powered from either 12V AC or 12V DC depending on the model of telephone used
- Dimensions (mm): H 97 x W 58 x D 24
- Description
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Description
This compact unit is fitted to the entrance panel on most current Bell System door entry systems. The unit provides two-way speech and has an individual volume control for both microphone and speaker. This universal product can be powered from either 12V AC or 12V DC depending on the model of telephone used.
Dimensions (mm): H 97 x W 58 x D 24
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