supplying , installation and commissioning of different equipments at the conference room under haringhata wtp to make it compatible for video conferencing facility including supply & installation of surveyllance system under office of the executive engineer , nadia arsenic division - i , phe dte.under phe dte.- 1 supply, installation, testing & commissioning of gooseneck microphone: length of gooseneck mic 450mm to 500mm dual band stem ( top and bottom ) transducer typecondenser, polar pattern cardioid or betterfrequency response 70 – 16, 500 hz or better, spl124 db [ spl @ 1% thd ] or bettersignal-to-noise ratio 64 db including with shock mount for fixing the microphone and should be from same oem [ make: sennheiser / beyerdynamic / harman or equivalent approved ] 2 supply, delivery, installation, testing & commissioning of wireless handheld mic:high feedback rejection; with mute button for full control; ?? synchronization via remote channel; ?? frequencies tunable in steps of 25 khz ?? 24 mhz bandwidth ( 13 mhz for the e band ) . [ make: sennheiser / beyerdynamic / harman or equivalent approved ] 3 supply, delivery, installation, testing & commissioning of boundary mic: cardioid microphone with pre-polarised condenser, frequency response= 40hz-20khz, max.spl ( 1khz at 1% thd, 1kohms load ) =140 db, equivalent noice level 29db [ make: sennheiser / beyerdynamic / harman or equivalent approved ] 4 supply, installation, testing & commissioning of unified series core with 24 local i / o channels, 128x128 network i / o channels, dual la [ make: qsc / harman / bi-ampor equivalent approved ] 5 supply, installation, testing & commissioning ofperipheral providing 8 individual, software-switchable flex channels ( mic / line ip with +48v or line level op ) . 8x8 gpio, 1x rs232 and audio-to-usb bridging via usb device port. single cable deployments using poe+ with an auxiliary dc power input. all mounting hardware included. [ make: qsc / harman / bi-ampor equivalent approved ] 6 supply, installation, testing & commissioning of4.5 two-way ceiling speaker, 70 / 100v transformer with 16 o bypass, 150° conical dmt coverage, includes c-ring and rails for blind mount installation [ make: qsc / harman / d&bor equivalent approved ] 7 supply, installation, testing & commissioning of1 / 2 ru 4 channel energy star amplifier / multichannel operation 60 watts into 8 ? & 4 ?, bridged pair operation 200 watts into 8? & 4?, and 250 watts into 70v and 100v / 100-240 vac operation [ make: qsc / lab gruppen / harmanor equivalent approved ] 8 supply, installation, testing & commissioning of gigabit 8 port ethernet + poe network switch [ make: cisco / hpe-aruba / netgearor equivalent approved ] 9 supply, installation, testing & commissioning of 18u floor rack with all accessories [ make: wq / valrack / wboxor equivalent approved ] 10 supply, installation, testing & commissioning of cables & accessories - 15 nodes [ make: kramer / extron / aten / belden / legrand / finolexor equivalent approved ] 11 supply, delivery, installation, testing, commissioningof professional display monitor for conference room at haringhata wtp conference hall, p.h.e. dte., govt. of west bengal. the display monitor should have following minimum features: • 75-inch diagonal tft lcd panel;• aspect ratio - 16:9;• max resolution 1920 x 1080 pixels;• brightness - 400 cd / m2;• contrast ratio - 1200:1;• viewing angle ( horizontal / vertical ) - 178° / 178°;• input terminals - 4-pole mini jack ( m3 ) x 1; hdmi type a connector x 2; dvi-d 24 pin x 1; mini d-sub 15 pin x 1; stereo mini jack ( m3 ) x 1; type a usb connector x 1; d-sub 9 pin x 1, rs-232c compatible; rj45 x 1 10base-t / 100base-tx; mini jack ( m3 ) x 1• speaker output- 20 w [ 10 w + 10 w ] • power requirements - / 220-240 v; power consumption- 285 w;• dimension ( w x h x d ) - 66.2 x 37.8 x 3.0; bezel width- 14.8 mm;• wall-hanging pitch - vesa compliant 600 x 400 mm;• operating environment - temperature: 0°c to 40°c;• operating time - 16 h / day• 3-years warranty [ make: panasonic / samsung / viewsonicor equivalent approved ] 12 supply, installation, testing & commissioning of wi-fi access point as per technical specification [ make: cisco / hpe-aruba / netgear or equivalent approved ] 13 configuration & providing solution for wireless presenter devicewith support up to 8 user connected & 1user on screen, should support desktop app, ios & android, output resolution 1920x1080, with 1 usb button for phe dept. [ make: barco / kramer / poly or equivalent approved 14 supply, delivery, installation, testing, commissioningof professional display monitor for office of the executive eigineer, nadia arsenic division - 1 p.h.e. dte., govt. of west bengal. the display monitor should have following minimum features: • 55-inch diagonal tft lcd panel; [ make: panasonic / samsung / sonyor equivalent approved ] 15 supply & delivery of camera 16 supply & delivery of nvr 17 supply & delivery of hdd 18 supply & delivery of poe switch 19 supply & delivery of network rack 20 supply & delivery of utp cable 21 supply & delivery of ups