The GE ML6-15-D Linear Array transducer has a frequency range of 4.0 MHz. - 15.0 MHz. and supports the following applications: Small Parts, Pediatrics, Neonatal, Vascular, Breast, Musculoskeletal. The GE ML6-15-D transducer is compatible with: GE Logiq E9; GE Logiq S8; GE Voluson E8 Expert; GE Vivid E9 ultrasound systems.