Optional electronic index, requires rainshield. 2-wire bus, audio and 6-wire bus video digital entry system
| Make | Farfisa |
|---|---|
| Manufacturer | ACI Farfisa |
| Model code | RD-4120 |
| Series | DF6000 Series |
| Additional info | Optional electronic index, requires rainshield. 2-wire bus, audio and 6-wire bus video digital entry system |