supply of wheel detection sensorwheel detection sensor,wheel detection sensor with 10 meter cable for siemens msdac as per rdso/spn/176/2005 ver . 2 (az s350 u ver. 4) siemens make. [ warranty period: 30 months after the date of delivery ] , amplifier trigger and bandpass filter board (vesba card ) individual module of central evaluator for siemens msdac as per rdso/spn/176/2013 ver. 3.0 & manufactures specification siemens make. mak e : siemens [ warranty period: 30 months after the date of delivery ] , supply of tuning unit for audio frequency track circuit aftc as per rdso specification no. rd so/spn/146/2001 or latest. frequency details:- d-10 - b20 f-5 [ warranty period: 30 months after the date of delivery ]