bids are invited for splashproof mic with stowage clamp preamp and 7 pin plug , microphone connection box , headset with 19 pole connector and preamplifier , headset connection box , loudspeaker 1 2 4w nwt , horn ls 4w wt , wall mount station with cradle , handset with 7 pin plug , box loud speaker 1 6w nwt , headset with 07 pole connector and pre amplifier for two intercoms , headset connection box for two intercoms with 07 pin connector , selector unit , 120w amplifier with cabinet and standby amplifier , 120w amplifier with cabinet , 1 kva ups ruggedised with 30 min backup , junction box l4 type , pae m7 connection box cots , 24 vdc power supply unit , 1 pair cable conductor multi strand atc size 24 02mm , 16x02mm 2 core shielded un armoured microphone cable , 20 pair 05 mm dia atc solid conductor lfh sheathed cable , 2 core conductor 7 067 le 25sqmm lfh sheathed , 4 pole 4 way junction box , 8 pole 4 way junction box , 12 pole 4 way junction box , service connectorization of equipment , service testing and commissioning mse total quantity : 42296