Samsung CA1-7AD Curved Array transducer has a frequency range of 1.0 MHz. – 7.0 MHz. and supports the following applications: Abdominal, Obstetrics, Gynaecology. The Samsung CA1-7AD transducer is compatible with: Samsung HM70A with Plus, Samsung HS70A with Prime, Samsung HS60, Samsung HS50 ultrasound systems.