| Service | Estimation | Cost |
|---|
| Item | Specification |
|---|---|
| Channel | 4,8 |
| Line in interface | RJ11 |
| Display | 5”TFT 400*800 touch screen |
| Format | ADPCM 32Kbps/S |
| Voice storage | Per 1 GB for 70 hours |
| Max storage | 1TB HDD(for 70,000 hours) ,64GB SDcard(for 4,480 hours) |
| Default storage | 8GB SD card (for 560 hours)/ 500GBHDD(for 35,000 hours) |
| Recording trigger | Voltage, Voice, Manual, Polarity reversal |
| Off-hook voltage | 3-30V |
| On-hook voltage | 10-80V |
| CID format | DTMF/FSK |
| CID INTESITY | 0 dB to &32dB |
| Frequency response | 100 Hz to 3400 Hz |
| Input impedance | AC:100K,DC:5.1M |
| S/N ratio | &60dB |
| Signal-to-crosstalk ratio | &70dB |
| Power Supply | DC19V/3.42A |
| Rating operating current | 1A |
| Max. current | 1.5A |
| Rating power consumption | 20W |
| Operating temperature | 0℃to 40℃ |
| Operating Humidity | 10% to 90 % |
| Network interface | RJ-45 |
| Dimension | 25.2cm*17.6cm*4.6cm |
| Net weight | 1.58kg |

