... -21355 High Performance:The electronic convex(linear) ultrasound imaging system is the latest ultrasound system and features a very wide selections ... convex probe,10'' VGA monitor·Optional accessories:Video recorder,linear probe with high-frequency(7.5 MHz).transvaginal probes(6 ... MHz)Technical Specification:· Scanning mode: Convex,transvaginal,high-frequency linear· Display mode:B,B+B,B+M,M,4B· ...