Features：
－ Highly reliable special DSP solution, super powerful RTOS, realize industrial grade MTBF
－ D1 High Definition network video server, compatible to Half-D1, CIF and QCIF
－ Use optimized H.264 video compression algorithm to realize transmission of High Definition video over low network bandwidth easily.
－ Uses optimized MP3 audio compression algorithm to make the sound more clear.
－ Uses the most advanced technology of network transition server to realize multi-user visit and multi-level password authorization management
－ Support real-time video surveillance output (Two-channel and Four-channel Models)
－ Support PAL/NTSC composite video
－ Built-in Web Sever to realize remote surveillance, control and setting via IE.
－ Support 802.11b/g wireless network, CDMA1X and GPRS mobile network and surveillance via the mobile phone
－ Support remote software update function
－ Support dynamic IP address , LAN, Internet (ADSL and Cable Modem)
－ Bi-directional real time transmission of audio talk-back
－ Network self-adapting technology to adjust video frame rate automatically according to the network bandwidth.
－ Video bit rate can be adjusted continuously between 16Kbps and 2Mbps，frame rate can be adjusted between 1 to NTSC 30 / PAL 25.
－ Provide video loss、motion detection and sensor alarm functions
－ Provide RS485/RS232 serial port with several built-in high-speed domes and decoder protocols, supports transparent protocols.
－ Support image masking/image capturing
－ Auto-recovery function if exception occurs and auto-connection if the network interrupts
Technical Parameters：
Video Input |
4 channel composite video, PAL/NTSC
BNC (1.0Vp-p, 75Ω)
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Video compression
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H.264
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Video Resolution
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PAL：352*288（CIF）
NTSC：352*240（CIF）
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Adjustment of Video Parameters
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Brightness, hue, contrast, saturation and image quality
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Streaming Format
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Optional streaming format (video streaming or audio & video streaming)
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Video Frame Rate
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PAL：1/10 - 25 frames/second；
NTSC：1/10-30 frames/second.
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Video Compression Bitrate
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16Kbit/S～2Mbit/S
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Video Output
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1 channel composite video, PAL/NTSC
BNC (1.0Vp-p, 75Ω)，Real-time picture eye on the export of four
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Audio Input
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4 channel, RCA interface, linear input, Impedance:１ＫΩ
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Audio Compression
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MP3
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Audio Output
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1 channel, RCA interface, linear output
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Audio talk-back input
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1 channel, MIC interface
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Communication Interface
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1 10M/100M self-adapting Ethernet port, 1 RS485 port, 1 RS232 port;
Several built-in high-speed dome and decoder protocols, supports transparent protocols
Support 802.11b/g wireless network;
Support CDMA1X and GPRS mobile networks;
Support surveillance via a mobile phone
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Alarm Input
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4 channel on/off input, supporting NO (normally open) or NC (normally close) sense
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Alarm Output
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2 channel on/off output, 120VAC 1A/24VDC 1A
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Input Power Supply
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AC 100～240V，50～60Hz
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Maximum Power
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Less than 8W
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Operating Temperature
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-10 ~ +55 ℃
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Operating Humidity
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10 ~ 85%
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Dimension
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180mm(L) * 50mm(H)* 110mm(D)
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