These are general DDA door entry systems that include; DDA panel with ‘halo’ buttons and indicator lights Integral speech unit 12V DC power supply Model 801 standard wallmounting telephones Model 203 fail-secure lock release
| Make | Bell Systems |
|---|---|
| Manufacturer | Bell System (Telephones) Limited |
| Model code | DDA1/VR |
| Type of Kit/ System | Audio Only |
| Vandal Resistant | Yes |
| Mount Type | Surface Mount |
| No of Handsets/ Phones | 1 handsets |
| Panel Material | 316L Stainless Steel Marine Grade |
| Telephone Mount Type | Wall |
| Electrical Specifications | Voltage: 12 V DC |
| Additional info |
These are general DDA door entry systems that include;
|