supply installation testing and commissioning of it equipments at mrod and pachwara mine control rooms of wbpdcl-1.01 55 4k uhdspecification: (3840x2160) resolution; 2 gb ddr3 ram orbetter; 16 gb memory or better; quard core processor orbetter; 60hrz refresh rate or better; hdmi cec, hdmi arc,built-in bluetooth ver.4; 20w built in speakers or better; hdmi2.0 x 3, av x 1, usb 2.0 x 1, rj45 x 1, headphone out x1, spdif out x1, 3 years warranty, audio out - line level stereo mini jack / hdmi - optional, for durgapur office 1.02 5 m hdmi 2.0 gold plated braided cable, for durgapur office 1.03 desktop computerspecifications : processor intel core i5 13th gen or better;16gb ram or better; 512gb ssd; compatible motherboardwith 2xpci-express slots; nvidia graphics card 4gb memorywith 4 hdmi output ports; 750w smps; with windows 11preinstalled, for durgapur office 1.04 ups, 2 kva of reputed brand, online ups input voltage range: 208/220/230/240v output voltage: 220/230/240v backup times (at 50% load): approximately 49 minutes.for durgapur office 1.05 55 4k uhd, additional data:specification: 4k uhd resolution; ips display; with built in20w speaker; hdmi compatiable input, for pachhwara(n) 2 desktop computerspecification : intel i7 12th gen; 16gb ram; reputedcompatible series motherboard; 512gb nvme ssd storage;nvdia 1656 4gb graphics card with 4no. of hdmi outputs;keyboard/mouse combo; windows 10 preinstalled, for pachhwara(n) 3 ups, 2 kva of reputed brand, online ups input voltage range: 208/220/230/240v output voltage: 220/230/240v backup times (at 50% load): approximately 49 minutes.for pachhwara(n) 4 5 m hdmi 2.0 gold plated braided cable, for pachhwara(n)