2 Mhz Non-directional Obstetrical Probe for Summit Dopplers, SD2. Ideal for late term pregnancy applications.

3 Mhz Non-directional Obstetrical Probe for Summit Dopplers, SD3. The 3 MHz obstetrical probe is optimized for early fetal heart detection and designed for use during the entire pregnancy (It is the best general purpose obstetrical probe).

2 Mhz Waterproof Non-directional Obstetrical Probe for Summit Dopplers, SDW. The 2 MHz Waterproof probe is for obstetrical use in water applications, and in the labor and delivery department where the probe needs to be waterproof.

4 Mhz Non-directional Vascular Probe for Summit Dopplers, SD4. The 4 MHz vascular probe is designed to ease location of blood vessels. The broad, wide-angle beam has internally tilted crystals that are optimized for quickly locating vessels.

5 Mhz Non-directional Vascular Probe for Summit Dopplers, SD5. The 5 MHz vascular probe is designed to ease location of deeper vessels. The medium width beam and pencil-style shape provides optimum sensitivity and ease of use.

5 Mhz Echoheart Transvaginal Obstetrical Probe for Summit Dopplers, SDE. This probe is optimized for earliest heart detection.

8 Mhz Non-directional Vascular Probe for Summit Dopplers, SD8. The 8 MHz vascular probe is designed to ease location of surface vessels. The narrow beam and pencil-style shape provides optimum sensitivity and ease of use. (It is the best general purpose vascular probe.)

5 Mhz Bi-directional Vascular Probe for Summit Dopplers, SD5B. The 5 MHz, bi-directional, vascular probe is designed to ease location of deeper vessels. The medium width beam and pencil-style shape provides optimum sensitivity and ease of use.

8 Mhz Bi-directional Vascular Probe for Summit Dopplers, SD8B. The 8 MHz, bi-directional, vascular probe is designed to ease location of small vessels. The narrow beam and pencil-style shape provides optimum sensitivity and ease of use. It is the best general purpose bi-directional, vascular probe. For use with model L250AB, L250AC and L300AC