Supply Of Digital Voice Annunciation Unit, Pa Driver Units, Horn And Accessories Of Lc Gate Road War Ning Equipment As Per Technical Specification Enclosed Herewith . One Set Of Supply Comprising Of :- 1) Digital Voic E Announciation Unit:1 No. 2) Pa Driver Unit: 2 Nos. 3) Horn & Its Accessories : 2 Nos. To Drg.no.cwm Sk 15/12 Alt-1 , Cwm Sk 16/12 Alt-1, Cwm Sk 17/12 Alt-1 & Cwm Sk 18/12 Alt-1. One Set Of Sample To Be Got Approved From Railw Ays By The Supplier Before Commencement Of Bulk Supply. [ Warranty Period: 30 Months After The Date Of Delivery ]