upgradation of 2 nos. of existing analogue vhf repeaters to analogue cum digital repeaters, supply, installation, networking, testing and commissioning at devikapuram and melpattu in tiruvannamalai district upgradation of 2 nos. of existing analogue vhf repeaters to analogue cum digital repeaters, supply, installation, networking, testing and commissioning at devikapuram and melpattu in tiruvannamalai district , repeater hardware infrastructure: , digital – analogue repeater with standard accessories, ip multisite connect for analogue and digital roaming. , rf ½” low loss cable with connector. , repeater mounting rack. , 6db fiber glass collinear antenna with mounting clamps , pipe pole mast and required accessories. , duplexer with connecting cables. , multisite network infrastructure , vhf radio with standard accessories. , patch unit. , lmr 400 co-axial cable. , high gain antenna for patching , electrical power backup , 13.5v/15a powersupply unitcum battery charger , 12v ah lead acid battery with terminals of reputed make for backup. , electrical accessories , installation, networking, testing and commissioning charges - installation, tuning, testing, and networking & commissioning charges for repeater station