tender for supply, delivery and installation of 75-inch 4k interactive flat panel display and 4g & 5g sim wi-fi router | plug & play | nano sim slot | 3 external antennas | dual mode (wired/wireless) | 40mhz bandwidth | high-speed internet to milanpally adibasi fps, islampur, uttar dinajpur. , supply, delivery and installation of below mentioned item for setting up smart class room. , supply, delivery and installation of 75-inch 4k interactive flat panel display to milanpally adibasi fps, islampur, uttar dinajpur. commercial grade and uhd 4k display with resolution of 3840x2160 specification product model ds-d5b75rb/c display screen size 75 inch, backlight dled pixel pitch 0.143 (h) × 0.430 (v) mm resolution 3840 × 2160@60 hz brightness 350 cd/m². color depth 10 bit contrast ratio 1200 : 1 (typ.). response time 6 ms color gamut 90% ntsc (typ.). refresh rate 60 hz viewing angle 178° (h) / 178° (v) product life cycle 50,000 hours. built-in system operation system android 11 processor hexa core (a72*2 + a53*4, 1.8 ghz) memory 8 gb built-in storage 64 gb nic built-in 1000 mbps nic, supporting routing; ieee 802.11 a/b/g/n/ac with 2 × 2 mimo, supporting both 2.4 ghz and 5ghz bands optional ops / pc compatible accessories built-in ops/ops-c slot x 1; webcam touch type infrared touch screen (optical bonding) glass 7h with 4mm tempered and anti-glare smooth glass for durability touch point max 45 point multi-touch touch response time < 10 ms touch precision ± 1 mm (= 90% touching area) speaker built-in 2 × 16 w speaker bluetooth built-in ble (bluetooth low energy) module supports bluetooth 5.0 and previous version. video & audio input hdmi in (hdmi 2.0) × 2, line in × 1 video & audio output hdmi out (hdmi 2.0) × 1, line out × 1 control interface rs-232 × 1, touch-usb × 1 network interface rj45 (1000 mbps port) × 2 data transmission interface usb-c × 1, usb-a × 2 on front panel, usb-a × 2 on rear panel power consumption = 370 w (full load) standby consumption 0.5 w working temperature 0 ? to 40 ? (32 ? to 104 ?) working humidity 10% to 90% rh general power 100 to 240 v, ac, 50/60 hz, warranty 1 year , 4g & 5g sim wi-fi router | plug & play | nano sim slot | 3 external antennas | dual mode (wired/wireless) | 40mhz bandwidth | high-speed internet. warranty 1 year