For an installation that requires attention to DDA regulations we offer a complete system that includes all the necessary parts. Model BT1 interface unit Model DDAP1/VR one button flush DDA panel (surface optional) Model 61 speech unit Model 340C 12V DC power supply Model 203 surface lock release
| Make | Bell Systems |
|---|---|
| Manufacturer | Bell System (Telephones) Limited |
| Model code | BTDDA1 |
| Type of Kit/ System | Audio Only |
| Mount Type | Wall Mount |
| Electrical Specifications | Voltage: 12 V DC |
| Additional info |
For an installation that requires attention to DDA regulations we offer a complete system that includes all the necessary parts.
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