• The GE E8C is a transvaginal ultrasound transducer probe. The GE E8C is used with OB/GYN and urology clinical applications and exams. This transducer has a frequency range of 3.5 to 11.5Mhz. The GE E8C is in excellent condition and is compatible with the GE Logiq and Vivid series ultrasound systems.