... Portable Ultrasound ScannerModel: MC-SS-6Standard configuration:one mainframe unit of B-ultrasound, one electronic convex array probe.Optional parts of the ... 4B, B / M, MMain probe: 3.5 MHz electronic convex array (frequency conversion)Electronic focus: 4 focus of random combinationFrame correlation: 4 ... : (2-3.5-5.0MHZ) electronic convex array, (5.5-6.5-8.0MHZ) electronic convex array (vagina), (5.5- ...