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Operation System |
Linux kernel version 2.26.29 |
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Processor |
Samsung CPU |
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Memory |
4 GB Hynix DDR3 |
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Recording Channels |
4 channels (support fully concurrent call) |
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Available Connection Port |
RJ11, rj45, Power jack, USB port, COM port |
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Storage |
Kingston SD Card |
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4/8/16/32GB SD CARD (design for 24/7 services) |
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Voice Compression |
8 Times compression, 1K/S ( G729) with encrypted file |
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Frequency Range |
300-3400HZ（±3DB） |
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Caller ID |
FSK, DTMF (with high sensitivity DTMF) |
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Recording Trigger Mode |
Voltage/Audio/Key |
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ON/OFF Hook Voltage |
RING (50-90AV), HOOK-OFF(5-16V), |
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Power supply |
INPUT : 220V/AC |
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Output : 5V/ 3A |
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Storage Temperature |
-20℃- 85℃ |
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Working Temperature |
0℃-55℃ |
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Humidity |
8%-90% (NO MOISTURE CONDENSATION) |
