|
Model
|
VHD3U USB PTZ camera
|
|
Sensor
|
1/2.9″HD color CMOS
|
|
Effective pixel
|
2.1 mega pixel
|
|
Video signals
|
1080p-30/25, 720p-30/25
|
|
Zoom
|
3x optical zoom
|
|
Lens
|
f=3.35-10.05mm
|
|
Aperture
|
F1.7～F3.0
|
|
Horizontal angle
|
99.6°(W)-30.6°(T)
|
|
Vertial angle
|
53.0°(W)-17.2°(T)
|
|
Diagonal angle
|
129.2°(W)-37.6°(T)
|
|
Video output
|
USB +HDMI
|
|
Video encoding format
|
MJPEG/YUY2/H.264
|
|
Video resolution
|
1080P (1920 *1080) etc
|
|
Siginal standard
|
NTSC/PAL
|
|
Preset position
|
User can set up to 64 presets (IR remote 10 presets)
|
|
Control terminal
|
RS-232,RS485
|
|
Shutter
|
1/30s～1/10000s, auto
|
|
Baud rate
|
38400/9600bps
|
|
Control protocol
|
VISCA, PELCO-D, PELCO-P(RS-232, RS485)
|
|
USB protocol
|
UVC1.1
|
|
Model No.:
|
Tevo-M3B conference wireless speakerphone
|
|
Covering Area
|
<40㎡
|
|
Number of participants
|
3-12 participants
|
|
Microphone Numbers
|
Built-in 2x Microphone Array
|
|
Microphone Pickup Distance
|
5m
|
|
Sensitivity
|
-29dBFS
|
|
Frequency response
|
100Hz-22kHz
|
|
Directivity
|
Omni-directional
|
|
Noise Level
|
95dBA
|
|
Full-duplex echo cancellation
|
Support
|
|
Noise suppression
|
Support
|
|
Gain control
|
Support
|
|
Echo tail length
|
≥500ms
|
|
BT version
|
V5.0
|
|
Battery
|
Built in 2400mAH
|
