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Multimedia Framework Protocol：
IETF SIP
Network Transmission Protocol：
TCP/IP、UDP、RTP、RTCP
Video standards and protocols：
H.264 Baseline 、H.264 High Profile、H.264 SVC
Audio standards and protocols:：
ARC
G.711
Dual stream standards and protocols：
BFCP
Call rate：
64Kbps~4096Kbps
video resolution
1080p 25/30fps
720p 25/30fps
w576p
w448p
w360p
Content resolution
1080p（1920 × 1080）
WSXGA+（1680 × 1050）
SXGA+（1400 × 1050）
SXGA（1280 × 1024）
HD（1280 × 720）
XGA（1024 × 768）
VGA（640 × 480）
AUDIO：
automatic gain control
Automatic noise suppression
Adaptive Echo Cancellation
Network packet loss recovery：
Adaptive Error Correction（FEC）
Dynamic bandwidth adjustment
Public Private Network Traverse：
SIP Proxy
security protocol：
encryption algorithm：SHA-1
Signal Encrypt：TLS
Media encryption：AES 256-bit 、SRTP
data encryption：HTTPS
Authentication access management menu, web interface
Other supported protocols：
DTMF
Hardware composition of the system：
Codec, cable, remote control, microphone (built-in), camera (built-in), wireless projector (optional)
System hardware interface：
Audio input: 1 x built-in microphone
Audio output: 1 x HDMI (video output)、1 × 3.5mm
network interface：1 × RJ45（10M/100M）
power interface：1 × DC Jack
extended interface：2 × USB
camera：
Camera field of view: 95 degrees
wireless network
supportIEEE 802.11a/b/g/n
support WPA/WPA2-PSK encryption
operating frequency: 2.4GHz
physical properties：
host size：201mm×85mm×65mm（Length × Width × Height）
Host weight: Net weight 0.45 Kg
Power adapter: 12V DC 2A
electrical characteristics
Working Voltage：100V ～ 240V AC、5V DC 2A
operating frequency：50Hz-60Hz
Environmental Requirements
Temperature：0℃～40℃
Relative humidity：10%～90%
Surrounding noise：less than 55dBA SPL
Recommended illuminance: greater than 100Lux
certification：
CCC、SRRC
The video conference terminal PZ300 adopts an integrated design of adjustable angle hanging bracket, which is easy to install and deploy, and easy to operate.
Providing a full HD 1080p visual experience not only provides users with high-quality, clear, and smooth character images and excellent audio experience, but also its excellent content data sharing function, which creates a more valuable collaborative experience for attendees.
With excellent network adaptability, it can still provide users with commercial quality high-definition audio and video experience in the Internet environment. Anti network packet loss technology can ensure that videos remain clear and smooth even in 60% of network packet loss environments, and even when network packet loss reaches up to 90%, audio can still be guaranteed to be smooth.
Equipped with a built-in microphone, the optimal sound collection can reach up to 5 meters. Equipped with echo cancellation, noise suppression, and automatic gain control functions, it perfectly restores the high-definition audio experience of "sound" for users.
Adopting dual encoding technology, which supports both traditional AVC technology and SVC cloud video technology, it can not only interconnect with mainstream video conferencing terminals and MCUs in the industry, but also be compatible with new cloud video systems.
