White electronic call handset, 2 button, expandable to 10, for DF6000 digital system. 2-wire bus, audio and 6-wire bus video digital entry system
| Make | Farfisa |
|---|---|
| Manufacturer | ACI Farfisa |
| Model code | PT-522W |
| Series | DF6000 Series |
| Additional info | White electronic call handset, 2 button, expandable to 10, for DF6000 digital system. 2-wire bus, audio and 6-wire bus video digital entry system |