... Technical Parameters:Structure: portable and trolley, KJ-4001, 4002, 4003 and 4003(workstation)Display mode: Convex array: B, ... 64~96dB adjustable.Two probe ports, Trans vaginal probe, high frequency linear array probe and convex array probe are availableFocusing: Four sections ... , line correlation, frame correlation, dot correlation and linear interpolation, etc.Frequency conversion: 2.5MHz/3.0MHz ...