... on both GSM-R and 450MHz mode.CIR unit is made up of main rack,MMI,handset,speaker,printer,antenna ... the Control unit,GPS unit,Record unit,GSM-R voice unit,GSM-R data unit,450MHz function unit,Power ... break-in and forced-release etc.(2)Control the GSM-R data unit by wireless data transfer to get ... received by CIR.2.4.1 Outline dimensionFig 9: printer outline dimension2.4.2 WeightApproximately 0.8kg.2.5 ...