supply of 1.supply of dc dc converter suitable for msdac . 2.supply of detection point for siemens make msdac . 3.supply of acr card for siemens make msdac. 4.station master room ( smr ) card for siemens make msdac. 5.wheel detection sensor with 10 mtr cable for siemens msdac. 6.supply of detection point for siemens make msdac., supply of dc dc converter suitable for msdac siemens make. [ warranty period: 30 months after the date of delivery ] , supply of acr card for siemens make msdac [ warranty period: 30 months after the date of delivery ] , steu card for siemens make msdac description asper rdso specification no rdso / spn / 176 / 2013 ver-3 & manufacturers spec. or latest suitable for model: azs 350u. [ warranty period: 30 months after the date of delivery ] , wheel detection sensor with 10 mtr cable for siemens msdac [ warranty period: 30 months after the date of delivery ] , station master room ( smr ) card for siemens make msdac. [ warranty period: 30 months after the date of delivery ] , supply of detection point for siemens make msdac ( zp43v ) specification : wde voltage-60v dc ( 30v-72v ) , operating voltage -24v dc ( 21.3v to 22.4v ) , transmitter frequency of the double wheel detector -43 khz ( 42.8 khz to 43.2 khz ) . signal frequency 1-3.50 khz ( 3.47 khz to 3.53 khz ) , signal frequency 2-6.37 khz ( 6.31 khz to 6.43 khz ) , standard voltage 1-3.55 v dc ( 3.25 to 3.45v dc ) , received voltage 1-ac 60mv to 150mv, received voltage 1-ac 60mv to 150mv. siemens make. [ warranty period: 30 months after the date of delivery ]