"The GE E8CS-SC Intra Cavity transducer has a frequency range of 3.5 MHz. - 9.0 MHz. and supports the following applications: Obstetrics, Gynaecology. The GE E8CS-SC transducer is compatible with: GE Venue 40 ultrasound systems.The GE E8CS is an ultrasound probe. The Probe is manly used endovaginal examinations but can also be used in rectal urology applications as well. The E8CS has a frequency range from 3-10 MHz. The GE E8SC endovaginal transducer is compatible with GE's Logiq P series ultrasounds. OB/GYN, Urology, Endocavitary Applications, 14 x 19 mm Footprint, 3-10 MHz Frequency Range, Single-angle, reusable, disposable The GE E8CS Micro-Convex Transducer is compatible with the GE LOGIQ P5 & P6 Ultrasound Systems, GE E8CS Probe Specifications, General Specifications Probe Band Width 4 - 11 MHz, Number of Element 128, Convex Radius 9 mmR FOV (Max) 168°, Physical foot print 15 x 10 mm, B-mode Imaging Frequency 6.0, 8.0, 10.0 MHz, Harmonic Frequency 8.0, 10.0 MHz, Doppler Frequency 4.0, 5.0 MHz, Biopsy Guide Available Single Angle, Disposable and Reusable"