bids are invited for conference controller - fully digital central conference controller unit, can be control and power at least 80 units or better without any external power supply. must have lcd/oled display to allow easy access to all the necessarycontrols and configures of the system. number of open microphone 6 or better , facility ,external ports for camera tracking rs232/rj45/d9, daisy chain connectivity through cat 6 shielded cable /multicore cable ,microphone modes vox,fifo, request.approve make - beyerdynamic/ akg / brahler , digital signal processor - dsp with aec having feature 64x64 networked audio channel, 8x on board flex channel and gpio, 8x aec processor, upto 32x32 dante audio channels (8x8 included) usb av bridging (8x8 audio + q-sys ca mera support) external usb audio device host, uptp 2xvoip instances etc. approve make - qsc/ akg / brahler , chairman microphone - digital chairman microphone flush mounting unit with metal housing and insert of optically hardened acrylic glass comprising of removable microphone with vertical microphone array technology, integrated two way speakers, mic on/off button, clear button to mute all activated delegate stations, headphone volume control buttons, etc. as per technical specifications.approve make - beyerdynamic/ akg / brahler , delegate microphone - digital delegate microphone flush mounting unit with metal housing and insert of optically hardened acrylic glass comprising of removable microphone with vertical microphone array technology, integrated two way speakers, mic on/off button, clear button to mute all activated delegate stations, headphone volume control buttons, etc. as per technical specifications.approve make - beyerdynamic/ akg / brahler , conference cable and connector - sitc of conference cable cat5 shielded/multicore with connector for connecting entire conference system. , programming, training & project management - itc of above products and programming, training etc. , buy back - existing s