supply and installation of various electronics works at government polytechnic college, nedumangad- 1 projector and whiteboard 2 supply and installation of short throw full hd 3lcd projector with native resolution : wxga, lamp life ( normal / eco ) : 5, 000 hours / 10, 000 hours, zoom : 1.0 - 1.35 ( digital zoom ) , colour light output : 3400lm ( normal ) throw ratio: 0.48 - 0.65, contrast ratio : 16, 000:1, sound output : 16w, wireless lan on-off, usb, hdmi, vga, composite in, audio in, audio out connectivity, with all accessories including ceiling mounting kit and required power cable, remote, battery etc. as per site condition.preferred make: epson, benq, casio, sony or equivalent. 3 supply and installation of white board size of 6x4 feet size suitable for projection screen .preferred make: scholar or equivalent. 4 supply and installation of high speed hdmi 2.0 cable support 4k @ 60hz with 15 meter length having 24k gold plated connector high purity oxygen free copper conductor, transfer digital audio and video signals at high speed of 10.2 gbps. warranty: 3 year preferred make: kramer, honeywell or equivalent. 5 supply and installation of wall face plate for hdmi 2.0 ( 4k at 60hz with one hdmi female connectors support distance 10m from the source in 4k and up to 30 mtr 1080p @ 60hz resolutions on front panel on a box. including minimum 3 mtr hdmi suitable for connecting laptop and projector, etc.preferred make: kramer or equivalent. 6 lan system, wifi 7 supply and installation of layer 3 manageable 28 port ethernet core switch with 24x1g and 2x10gbase-t ( 1g / 10g ) and 2xsfp+ 1g / 10g independed ports, supporting switching capacity =:128 gbps, ram: 512 mb. ac 230v, including l2 switching and l3 routingavailablewithout license with support for up to 4094 active vlans simultaneously as per the requirement.warranty: 3 yearapproved make: allied telesis, brocade, cisco, hp, juniper, netgear 8 supply and installation of layer 2 manageable 26 port ethernet switch which having 24 x 10 / 100 / 1000 mbps + 2 x gigabit sfp ports, web manageable supporting ipv6 having 256 mb ram, switching capacity=20gbps, ac 120 / 230v. warranty: 3 yearapproved make: allied telesis, brocade, cisco, hp, juniper, netgear 9 supply and fixing 24 port enhanced cat-6 fully loaded modular type patch panel as per eia / tia-tsb 40a specification for interconnecting switch and computers, including termination charges.preferred make: actassi, belden, molex, r&m, commscope equivalent 10 supply and installation of ul certified cat-6 information outlet for 1000mbps having spring shutter / dust cover face plate with one number of rj45 keystone socket in the existing cms / pvc box including termination charges etc.preferred make: actassi, belden, molex, r&m, commscope or equivalent 11 supply and installation of ul certified cat-6 information outlet for 1000mbps having spring shutter / dust cover dual face plate with two numbers of rj45 keystone sockets in the existing cms / pvc box including termination charges etc.preferred make: actassi, belden, molex, r&m, commscope or equivalent 12 supply and fixing ul certified 1 module pvc box on surfacepreferred make: belden, molex, r&m, legrand, d-link or equivalent 13 supply and fixing 1 module gi box ( 75mm x 75mm x 60mm deep ) on recessincluding making good the damage colour washing etc as required. 14 supply, laying, certification and documentation of 23 awg solid copper cat-6 utp cable with lszh ( low smoke zero halogen ) through the existing conduit and cassing and capping as required.approved make: actassi, belden, molex, r&m, commscope. 15 supply and fixing =100mm x =50 mm pvc cable management system with base and lid along with the following accessories conforming to iec 61084 / bs 476 & 4678 on surface / recess including cutting the wall and making good the damages in case of recessed installation as required. accessories including cable divider, external angle 90°, flat angle 90° / tee, internal angle 90°, internal coupler, flat cross, end cap, flanged coupler, joint cover, cable retainer, wall plate for internal angle etc.preferred make: obo, mk, legrand or equivalent 16 supply and fixing of 20mm medium pvc ivory conduit / oval conduit / capping-n-casing with special confirming to isi standard on surface / recess using suitable size fixtures spacing not exceeding 50cm including makinggood the damage colour washing etc as required preferred make: toms, balco, espee or equivalent 17 supply and fixing of 25mm medium pvc ivory conduit / oval conduit / capping-n-casing with special confirming to isi standard on surface / recess using suitable size fixtures spacing not exceeding 50cm including making good the damage colour washing etc as required preferred make: toms, balco, espee or equivalent 18 supply and connecting lszh 3mtr cat-6 giga utp patch cord.approved make: actassi, belden, molex, r&m, commscope. 19 supply & connecting lszh 1mtr cat-6 giga utp patch cord.approved make: actassi, belden, molex, r&m, commscope. 20 supply and fixing 19 12u network rack with acdb 6 port with 1u slotted type rack mountable horizontal cable manager duct, pdu etc.preferred make: d-link, hcl, netrack, president, valrack or equivalent. 21 supply and fixing 19 9u network rack with acdb 6 port with 1u slotted type rack mountable horizontal cable manager duct, pdu etc.preferred make: d-link, hcl, netrack, president, valrack or equivalent. 22 supply and installation of manageable wi-fi access points having following specifications: indoor dual band wi-fi access point with smoke detector appearance. frequency : 2.4ghz and 5ghz, wireless mode: 5 ghz 802.11ax 2x2 mimo for up to 1.2 gbps wireless data rate, with multi user mimo support ( wi-fi 6 ) , 2.4 ghz 802.11ax 2x2 mimo for up to 574 mbps wireless data rate ( wi-fi 6 ) . power over ethernet ( poe ) , anteenas: down-tilt omni-directional antennas for 2x2 mimo with peak antenna gain 4.3dbi in 2.4ghz and 5.6dbi in certifications: 5ghz, wi-fi alliance certified ( wfa ) 802.11ax, with ( wi-fi 6 ) , wpa2, wpa3 etc. including all accessories such as power adaptor, mounting kit, connecting cat-6 patch cords as per site condition, etc.preferred make:aruba, cisco, netgear or equivalent 23 supply and installation of poe+ injector for wifi with minimum distance to device is 60 meter having warranty for 3 years preferred make: ubiquiti, tenda or equivalent 24 providing permanent labelling at racks, switches, patchpanels and i / o and testing of all the nodes and documentation ofthe network architecture 25 audio system at auditorium 26 supply and installation of gooseneck cardioid condenser microphone with base having press-on / press-off switch that controls the microphone and 24-48v dc phantom power , having long-life gooseneck and wide-range condenser elementfor superior performance having frequency response : 70-16, 000 hz or better.sound level: 134 db spl or better , 3-pin xlrm- type output connector including windscreen and connecting acessories. preferred make: audio-technica, sennheiser , shureor equivalent 27 supply and installation of dynamic vocal microphone with on / off switch having frequency response:50 to 15, 000 hz, rated impedance : =150 o, polar pattern : cardioid, three-pin audio ( xlr ) connecor etc.preferredmake: shure or equivalent 28 supply and installation of floor standing microphone stand with height : 920-1500 mm, match to above microphone with clip. prefered make : ahuja or equivalent 29 supply and installation of dual pa uhf wireless microphone having one handheld dynamic transmitter and one bodypack transmitter with receiver having freq. resp: 50-15000hz, audio output: balanced 0dbu, unbal. -10dbu, ac 220-240v for ac adaptor and transmitter having rf output power: 15mw / 10mw ( max ) , modulation mode: fm. including all accessories and battery ( 4 nos ) .preferred make: ahuja, studiomaster or equivalent 30 supply and installation of 12 channel heavy-duty stage box audio stage box with metal cover having box side end:8 xlr x 4 trs ( phono ) ( female ) neutrik panel connectors.mounting options: surface-mounted on wall or flush-mounted in wall. provided up to 3 of spread between connectors. 31 supply & installationxlr-m, xlr-f, or 1 / 4 trs ( phono ) -connectors at snake cable end. preferred make: neutrik or equivalent. 32 supply and installation of 12 pair audio snake cable with following specification: cm-rated, 12-24 awg tinned copper pairs, polyolefin insulation, individually shielded with beldfoil bonded to numbered / color-coded pvc jackets so both strip simulteaneously, overall beldfoil shield, drain, flexible pvc jacket. preferred make: belden 1513c or equivalent 33 supply and installation of alkaline aa size battery suitabile for above wireless transmiters. prefered make:duracell or equivalent 34 supply and installation of = 12 channel audio mixer having following specifications. 12-channel mixing console, max. 6 mic / 12 line inputs ( 4 mono + 4 stereo ) , 2 group buses + 1 stereo bus, 2 aux ( incl. fx ) , “d-pre” mic preamps with an inverted darlington circuit, 1-knob compressors, pad switch on mono inputs, +48v phantom power, xlr balanced outputs, internal universal power supply for world-wide use. approved make :allen-heath, behringer, yamaha, soundcraft. 35 supply and installation of of power amplifier : 2x 300w at 8o ; 2x 500w at 4o class-d amplifier , onboard peq, crossover, filters, delay, and limiter functions, speaker presets ; 1khz non-clip 20msecburst both channels driven 8o ; sampling frequency rate internal 48khz ; a / d d / a converters ad / da: 24-bit linear, 128times over sampling; total harmonic distortion 0.1% ( 1khz, 10w ) , 0.3% ( 1khz, half power ) ; frequency response ±1.0db ( 1w, 8o, 20hz to 20khz ) ; s / n ratio 101db a-weighted ;crosstalk less than -60db @half power ;maximum inputvoltage +24dbu; input impedance 20ko ( balance ) , 10ko ( unbalance ) including all connecting and mounting acessories. preferred make:yamaha, toa or equivalent. 36 supply and installation of 2-way bi-amplified 200w ( rms ) active loudspeaker for stage mointor withintegrating a class d amplifier, dsp sound presets, usb / sd mp3 player and bluetooth and multiple inputs, power output - ( rms / peak ) : 200 / 400w, frequancy response: 40hz-20khz ±3db, lf driver: 1 x 8 woofer, hf driver: 1 exit with 1.35” voice coil, input connector :x stereo rca, 1 x jack ( line ) and 1 x switchable xlr-jack ( mic / line ) , output connector: balanced xlr ( m ) . preferred make:: studiomasteror equivalent 37 supply and installation of column speaker having high-quality full range drivers with rms power : 120 w, max. power:240w, impedence : 8? frequancy response: 150 hz - 20 khz ( ± 3 db ) , sensitivity ( 1w / 1m ) : 92 db, multi-tapping: 70v / 100v line matching transformer, construction: aluminium with plastic side covers, front finish :steel grill, .including 2-way revolving mounting bracket and connecting acessories.approved make : jbl, electro voice, audac, yamaha. 38 supply and installation of = 19”, 17 u floor mount audio rack with trays including sliding , rollers, door, with 5a x 5 sockets and power distributor, internal wiring, cooling fan etc. for fixing equipments such as mixer, amplifier and wireless units with front glass / door with lock and ms / back door openable. preferred make: d-link, hcl, netrack, president, valrack or equivalent. 39 supply and drawing 2 core 2.5 sq. mm. of multi-core pvc insulated & pvc sheathed 650 / 1100 v grade copper conductor round flexible cables conforming to is 694 part i 1960 in the existing surface / recess conduit as required including giving necessary connections.preferred make: finolex, belden, kasper, kramer or equivalent. 40 supply and laying of 2 core sheilded pvc insulated microphone cable with ultra low capacitance 60 ( pf / m ) ; outer jacket : pvc matt; working temperature: 20 °c / +70 °c ; diameter : 6.5mm; extremely flexible, laying through existing conduct..preferred make: belden, klotz, gotham or equivalent. 41 supply and installation of good quality 3.5 mm stereo / 2*rca / phono / speakon cables with minimum 5 metre length. 42 supply and installation of xlr male / female connectorpreferred make: neutrik or equivalent.