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NT90LT

(LT02M4) HD Video Conference Terminal

NT90LT
Conference Systems · HD Video Conference System

The brand-new 4K UHD video conference split terminal supports H.265 technology and achieves 4K UHD display effects with ultra-low bandwidth. Integrating rich audiovisual ports, it is suitable for various medium and large conference venues.

Features

  • Adopt a split structure, built-in hardware video processing unit, and embedded Linux operating system, non-Windows/Android operating system.
  • Support ITU-T H.323, SIP standard protocol, with good compatibility; support H.239, BFCP dual-stream protocol, the main stream can reach 4K30fps.
  • Support 64Kbps-8Mbps call bandwidth, support QCIF, CIF, 4CIF, 480P, D1, 720P, 1080P and 4K video resolutions.
  • Support 1280*720P 60fps/50fps/30fps/25fps, 1920*1080P 60fps/50fps/30fps/25fps, 3840*2160 60fps/50fps/30fps/25fps HD video signal input.
  • Support 1024*768 60fps, 1280*720 60fps, 1920*1080 60fps/30fps, 3840*2160 60fps/30fps HD video signal output.
  • Support H.261, H.263, H.263+, H.264, H.264 HP, H.265 video codec protocols, support G.711, G.722, G.722.1, G.722.1C, OPUS audio codec protocols, the sound quality is up to 48KHz.
  • Support the annotation function of the auxiliary stream, and make real-time annotations on the auxiliary stream screen when sending/receiving the auxiliary stream; set three different pen thicknesses, five pen colors, and set annotation graphics such as circles, squares, arrows, and lines. when sending auxiliary stream, you can set whether to enable annotation permissions for participants to make comments together.
  • The terminal can be controlled by 2.4G remote, web, touch control, mouse and keyboard, etc. The wireless mouse control mode is supported.
  • Support freely turning on/off the remote video, support changing the window position of the video in the screen layout by drag and drop via the wireless mouse.
  • Adopt the B/S management structure, access the browser to log in to the WEB for remote management of the terminal, support Chinese and English language switching;
  • Support the chairman control mode. The chairman can control the dual-stream encoding rate, resolution and other parameters of all remote venues, and control the PTZ camera turning, focusing, and zooming operations.
  • The main screen supports 4K signal outputs, and a single screen supports actively opening up to 25 video images;
  • Support actively turning on the remote auxiliary screens, and watch up to 25 auxiliary screens of different video terminals at the same time.
  • Support single-screen dual-display, dual-screen dual-display and three-screen three-display functions, realize multi-screen layout, support multiple common layouts such as PIP; a single screen supports simultaneous display of 25 video images.
  • Support full-screen display or composite display of auxiliary streams in the meeting.
  • Support switching the signal sources of mainstream video and auxiliary video in the meeting;
  • Support the video polling function, you can choose the polling window, polling interval, and polling participant; support the voice activation function, you can set the voice activation window, and the venue with the loudest speech will automatically switch to this window.
  • Support the wireless streaming function. Just install a software on the computer and connect it to the terminal through the network to realize the wireless shared streaming function; no need for external hardware devices.

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Technical specifications

Model NT90LT
Built-in MCU 4 points
Communication protocol Compliant with ITU H.323, SIP protocol
Video input 7 HD video input ports: HDMI*4, SDI*1, DVI*1, VGA*1, optional HDBaseT*1
Video output 5 HD video output ports: HDMI*3, DVI*1, VGA*1, optional HDBaseT*1
Audio input 6 audio input ports: XLR*1, RCA*1, HDMI*4
Audio output 4 audio output ports: HDMI*3, RCA*1
Network port 2 Gigabit Ethernet ports: RJ45*2
USB port 3 USB ports, connected to extension devices or upgrade online
Control interface 1 RS-232; 2 COM
Display method Supports 4:3 and 16:9
Ambient temperature 0℃~35℃ (working state) -40℃~55℃ (non-working state)
Relative humidity 10%~80% (working state) 0%~95% (non-working state) (no condensation)
Power supply DC12V/5A
Dimension 440×225.5×45mm
Weight 3.2Kg