Portable Doppler Ultrasound Machine 1)Imaging mode:2D, CFM, PDI, HPRF, ... pannel with back-lit and 8 level TGC Portable Doppler Ultrasound Machine Modle: RS-2Affordable Compact ExcellentRS-2 is ... a compact color Doppler ultrasound system with various functions and applications. The high ... AVI/JPG, USB2.0, HDD, PDF report, etc. Portable Doppler Ultrasound Machine