Frequency (Hz): 5.0 - 12.0 MHz. Warranty: 90 days Applications: Vascular Compatible: Philips HD11; Philips HD11XE; Philips iU22 Form Factor: Linear Array Applications: Vascular Frequency Range: 5.0 - 12.0 MHz. Compatibility: Philips HD11; Philips HD11XE; Philips iU22 Return Policy90 days warranty Return in case of manufacturing defects Return for incopatibility assumed by the buyer Tags: Ultrasound Probe