EXHIBIT 23.01 CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS We consent to the reference to our firm under the caption "Experts" and to the use of our report dated December 8, 1995, except Note 11 as to which the date is December 27, 1995, in the Registration Statement (Form S-1) and related Prospectus of Radius, Inc. for the registration of 54,093,591 shares of its common stock, 750,000 shares of Series A Convertible Preferred Stock and Warrants to purchase 600,000 shares of common stock. ERNST & YOUNG LLP Palo Alto, California September 17, 1996