supply, installation, testing and commissioning of camera, microphone in connection with digital conferencing system in auditorium of wbbpe , sitc of camera with focal- f=3.9mm-46.8mm, zoom-0ptical:12x, digital:12x, focus- auto, manual, ptzpush, one push, manual, colortemp, blc-yes, interface - 1xhdmi,1x3g-sdi, 2x3.5mm line in, one way for the echo eli mination reference audio input,100mrj45,lxusb2.0 (reserved),lxrs-232 approved make: osl/panasonic/hikvison , sitc of microphone with 3-element array, omnidirectional, voice pickup range - 3m (radius), frequency range-150hz ~7.5khz, features - intelligent noise reduction,advanced echo cancellation. approved make: panasonic/osl/british acoustic , sitc of hdmi hdbaset receiver with dual output. , sitc of hdmi & vga hdbaset transmitter (4k@100m) (hdbaset class a) , sitc of interior work inside of conference room. , sitc of usb extender.approved make: aten , sitc of hdmi extender. approved make: aten , sitc of 10 mtr hdmi cable. approved make : aten/liberty av