Supply Of Track Side Device Of Digital Axle Counter As Per Rdso Spec. No. Rdso/Spn/177/201 2 Ver (0.3) Latest Amndt Including Transmission Coil Assembly (Tx 21/25 Khz) With 15 Mtr. Cable Length For Each High Frequency Type Make G.G. Tronics. [ Warranty Period: 30 Months After The Date Of Delivery ] ]