supply of gigabit ethernet media converter ,supply & transportation of 2 mbps leased line modem --------------etc , supply & transportation of 2 mbps leased line modem as per specification no. rdso/spn/tc/ 80/2020 rev.2.0 or latest. each pair consists of one g.703 & one v.35 unit. & operating with both a.c & -48 v dc supply. make : nomus gateway/team engineer/similar. [ warranty period: 30 months after the date of delivery ] ] , lan extender 2mbps with 4 port ethernet and all accessories supporting up to 5.7 mbps ov er on 0.5mm copper cable 3.5km range. make: nomus /team engineer/similar [ warranty period: 30 mon ths after the date of delivery ] ] , gigabit ethernet media converter single mode single fiber with all accessories . make : d-link /digisol/tp link/similar [ warranty period: 30 months after the date of delivery ] ]