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We have experimented with a tele-diagnosis system of echography to control the echographic diagnosis robot (EDR) which was developed in our laboratory. The examiner controlled it apart from the patient and obtained echograms of internal organs with the patient status images. The places of the examiner and the patient are connected by a wireless network. Remote diagnosis by echogram was possible with sufficient image quality after a skilled examiner got used to controlling the robot. The robot was stable to slight body movement. The adult patient never felt any discomfort to the robot. Since the required bandwidth of this system was at most 1 Mbps, we confirmed the ability of this system for mobile robotic telemedicine.