2 two way non metalic frp type junction type route indicator as per rdso drawing no sa 23 401 adv alt 2 for railway signalling suitable for re area without lamp lences and signal trasformer as per rds o specification no rdso spn 194 2006 rev 2 0 frp material as per rdso specification no rdso spn 1 51 1997 make aew or similar warranty period 30 months after the date of delivery