bids are invited for upgradation of existing audio video conferencing system - wired microphone with button flushed to the table , digital power control module , digital signal processor to interface a minimum of 40 microphones , digital signal processor to interface a minimum of 40 microphones accessories , wall mounted column speaker , digital wireless handheld microphone , digital wireless collar microphone , antenna splitter unit for wireless micrphone , antenna splitter unit for wireless micrphone accessories , amplifier for interfacing multiple type of audio inputs , 65 inches display along with mounting bracket , 65 inches display along with mounting bracket accessories , 20 x ptz camera , 21 to 24 inch touch screen monitor with motorised lift and accessories for chairman , 4k multi-window camera video processor , document camera , hdmi to usb convertor , encoder decoder for av over ip , network switch , av controller , user interface touch panel , hdmi cable , cat 6 utp cable , cat 6 stp cable , cat 6 stp and utp converter , microphone cable , 42 u equipment rack , system pc , set of peresentation point with power point, hdmi and ethernet connection qty 04 at table and rostru total quantity : 2135