Installation manual 2N® IP Vario
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4. Technical Parameters
Signalling protocol
SIP (UDP, TCP, TLS)
Buttons
Button design:
stainless-steel push buttons
Count of buttons:
1, 3 or 6
Button extension:
up to 54 buttons
Numerical keypad:
optional
Audio
Volume control:
adjustable
Full duplex:
Yes (AEC)
Sound pressure level
(SPL max)
: 61.5 dB (for 1 kHz, distance 1 m)
Speech transmission index (STI):
0.88
Audio stream
Protocols:
RTP / RTSP
Codecs:
G.711, G.729, G.722, L16/16kHz
Camera
Sensor:
1/4'' colour CMOS
Resolution:
640 (H) x 480 (V)
Picture frequency:
Up to 30 snaps/s
Sensitivity:
1.9 V/lux-sec (550 nm)
Viewing angle:
55° (H), 39° (V)
Focal length:
3.11 mm
Содержание 9137111CKU
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