Larger systems are available with or without trade facilities, may other components comprise this system.
| Make | Bell Systems |
|---|---|
| Manufacturer | Bell System (Telephones) Limited |
| Model code | 901B |
| Series | Bell System 900 Series |
| Type of Kit/ System | Audio Only |
| Mount Type | Surface Mount |
| No of Entrances | 1 entrances |
| Door Release Type | Rim Release |
| No of Call Buttons on Panel | 1 call buttons |
| No of Handsets/ Phones | 1 handsets |
| Panel Material | Brass |
| Door/ Phone Ratio | 1:1 |
| Additional info | Larger systems are available with or without trade facilities, may other components comprise this system. |