Frequency (Hz): 1.0 - 4.0 MHz. Warranty: 90 days Applications: Abdominal, Obstetrics, Gynaecology, Fetal Heart, Pelvic Compatible: Siemens Sonoline Antares PH4-1 Form Factor: Phased Array Applications: Abdominal, Obstetrics, Gynaecology, Fetal Heart, Pelvic Frequency Range: 1.0 - 4.0 MHz. Compatibility: Siemens Sonoline Antares Return Policy90 days warranty Return in case of manufacturing defects Return for incopatibility assumed by the buyer Tags: Ultrasound Probe