Detail Specification VS-R20D
| Type | RFID |
| Supported Cards | EM, Mifare, DESFire |
| Communication | Wiegand Out, RS485 |
| Dimension | 70 X 124 X 11 mm |
235, Blue Rose Industrial Estate, Off Western Express Highway, Dattapada Road, Borivali (E), Mumbai – 400 066