Mindray L13-3s Linear Array transducer has a frequency range of 3.2 MHz. – 12.3 MHz. and supports the following applications: Abdomen, Pediatric, Small Parts, Musculoskeletal, Vascular, Nerve, Thoracic/Pleural. The Mindray L13-3s transducer is compatible with: Mindray MX7 ultrasound systems.