For external areas that may be prone to vandalism, here is a complete VR system that includes all the necessary parts. Model BT1 interface unit Model VRP1 one button flush 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 | BTVRK1 |
| Type of Kit/ System | Audio Only |
| Mount Type | Flush Mount |
| Electrical Specifications | Voltage: 12 V DC |
| Additional info |
For external areas that may be prone to vandalism, here is a complete VR system that includes all the necessary parts.
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