2. Supports GSM-AMR and MPEG-4 AAC Audio Decoding

3. Up to 1-CH D1 Real Time Decoding or 4-CH CIF Real Time Decoding

4. Quad or Sequential Display in Multi-channel Mode

5. Connection Compatible with VIVOTEKˇs 7000-series Models

6. Digital I/O for External Sensor and Alarm

7. Supports RS-485 keyboard to Remotely Control PTZ/Dome Cameras