Supply Of Track Side Device Of Digital Axle Counter As Per Rdso Spec. No. Rdso/Spn/177/20 12 Ver (0.3) Latest Amndt Including Receiver Coil Assembly (Rx 21/25 Khz) With 15 Mtr. Cable Length For Eac H High Frequency Type Make G.G. Tronics. [ Warranty Period: 30 Months After The Date Of Delivery ] ]