NAR4004S voice recorders, telephone voice recording

NAR4004S/NAR4008S (4ch/8ch) Standalone Telephone Recorder Specification
Channel: 4, 8
Storage: HDD or SD card (Max.SD 64G or 2.5’ HDD500GB)
LCD: 5’TFT800 *480 Touch Screen
Recording Format: ADPCM
Compression Ratio: 4KB/S
Recording Trigger Mode: Voltage/ Voice/ Hot key
Off hook detect voltage: 3-80V
On hook detect voltage: 10-100V
Support CID: DTMF/FSK
CID detect intensity range: 0 dB to –32dB
Recording Frequency range: 100 Hz to 3400 Hz
Input impedance: AC: 100K,DC:5.1M
S/N ratio: >60 dB
Signal-to-crosstalk ratio: >70 dB
Input voltage: DC19V
Rating operating current: 1.5A
Maximum current: 3A
Rating power consumption: 30W
Operating Temperature: 0? to 40?
Operating Humidity: 10% to 90 %
Network interface: RJ-45
Accessory: RJ11 cord,RS232 cable, power adaptor, CD
Dimension L*W*H: 25.2cm*17.6cm*4.6cm

NAR4004S voice recorders, telephone voice recording