Ultrasonic Tabletop Doppler SD5 and SD6 are the innovative development of Edan's Fetal Doppler category. The advanced infrared transmission technology truly brings freedom to OB clinical applications. Remote control probe and rolling stand serve you with perfectly convenient working environment that enables you to pay full attention to your patients. The SD series integrate a crystal-clear informative display providing big-front value of FHR with advanced calculation technique to examine early pregnancy that starts from the 10th week.