supply of automatic media / alarm extender cardautomatic media / alarm extender card,automatic media c/o with built in modem for universal fail safe block interface (ufsbi) equipment as per rdso specn no. ir s s-104/2012 of webfil or similar - ???? accepted make/brand: webfil ltd/kolkata [ warranty period: 30 months after the date of delivery ] ] , alarm extender card for universal failsafe block interface equipment (ufsbi) as per rdso spn. no. irs-s-104/2012 or latest compatible to use in existing ufsbi with block panel . inspection .- rdso, offered and accepted make - webfil limited. [ warranty period: 30 months after the date of delivery ] ]