Frequency (Hz): 4.0 - 7.0 MHz. Warranty: 90 days Applications: Vascular, Small Parts Compatible: ATL Ultramark 9 (UM9); ATL HDI-1500; ATL HDI-3000; ATL HDI-3500; ATL HDI-5000 The ATL L7-4 Linear Array transducer has a frequency range of 4.0 MHz. - 7.0 MHz. and supports the following applications: Vascular, Small Parts. The ATL L7-4 transducer is compatible with: ATL Ultramark 9 (UM9); ATL HDI-1500; ATL HDI-3000; ATL HDI-3500; ATL HDI-5000 ultrasound systems. Form Factor: Linear Array Applications: Vascular, Small Parts Frequency Range: 4.0 - 7.0 MHz. Compatibility: ATL Ultramark 9 (UM9); ATL HDI-1500; ATL HDI-3000; ATL HDI-3500; ATL HDI-5000 Return Policy90 days warranty Return in case of manufacturing defects Return for incopatibility assumed by the buyer Tags: Ultrasound Probe