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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 2.0 |
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 |




