... : 64~96dB adjustable.Two probe ports, Trans vaginal probe, high frequency linear array probe and convex array probe are availableFocusing: Four ... , line correlation, frame correlation, dot correlation and linear interpolation, etc.Frequency conversion: 2.5MHz/3.0MHz/3.5MHz/4.0MHzCalculation: distance ... to check intrauterine equipment, pregnancy and so on. B Ultrasound Scanner (Workstation)