cost of installation of video conferencing facility in the robinson hall in ptr , display size : 86 inch(218.44 cm) , cpu : quad – core a55 , operating system : android 11 , ram & rom : 4gb & 32gb , aspect ratio : 16:9 , contrast ratio : 1200:1 , brightness : 400 cd/m2 , resolution : 3840(h) x 2160(v) , viewing angle : 178°(h) x 178°(v) , lcd response time : 8 ms (typ) , refresh rate : 60 hz , lifespan : 50,000 hours , color depth : 1.07b (10 bits) , wi-fi band : dual-band (2.4/5 ghz) , wi-fi hotspot : dual-band (2.4/5 ghz), supports enabling hotspot and wi-fi at the same time , touch technology type : infrared , touch points : 32 , communication mode : usb , built-in speaker : 2 , power : full frequency : 15w x 2 , front button : 8 front button (menu, home, volume, signal , curtain, annotation, touch lock, power) , usb ports : front: 2 × usb3.0 type a (both android and windows, support external keyboard & mouse) 1 x usb 3.0 type-b (touch) rear: 2 × usb3.0 type a (both android and windows, support external keyboard & mouse) 3 x usb 3.0 type-b (touch) usb-c: front: 1 × usb type-c ( 4k@60fps, touch) rear: 1 × usb type-c (4k@60fps, touch) , ports : 1 × rs232 port, mic in × 1 (3.5 mm port) (front port) , bluetooth : 5.2 , network port : 2 × rj-45 (1000m, 1 in, 1 out) , video input : switchable (by remote controller or menu): 3 × hdmi in (1 front, 2 rear, 4k@60hz), 1 x vga in (rear, 1080p@60hz) , video output : 1 × hdmi out , audio input : 1 × 3.5 mm line in (rear, for vga) , audio output : 1 × 3.5 mm (line out), 1 x spdif (optical) , power supply : 100– 240 vac, 50/60 hz , warrantythree years , webcamera for conference room , 4k/30fps: up to 4096 x 2160 pixels , 1080p/30 or 60 fps: up to 1920 x 1080 pixels , 720p/30, 60, or 90 fps: up to 1280 x 720 pixels , focus type: autofocus , lens type: glass , built-in mic: stereo, dual omni-directional , diagonal field of view (dfov): 90°/78°/65° , digital zoom: 5x , usb connectivity: usb-a plug-and-play, supports usb-c with third party adapter not included , rightlight 3 with hdr for clear image in various lighting environments ranging from low light to direct sunlight. , infrared sensor technology for windows (sdk available for application integration) , attachable privacy shutter , warranty information , 1-year limited hardware warranty , fixation stand, hdma cable, other accessoris and intallation