Mindray L13-3Ns Linear Array transducer has a frequency range of 3.0 MHz. – 13.0 MHz. and supports the following applications: Abdomen, Pediatric, Small Parts, Musculoskeletal, Vascular, Nerve, Thoracic/Pleural. The Mindray L13-3Ns transducer is compatible with Mindray MX7 ultrasound systems.