EX-23.1 4 ex23-1.txt CONSENT OF ARTHUR ANDERSEN LLP 1 EXHIBIT 23.1 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference in this registration statement of our reports dated February 3, 2000 included in the Metricom, Inc.'s Form 10-K for the year ended December 31, 1999, and to all references to our Firm included in this registration statement. /s/ Arthur Andersen LLP ARTHUR ANDERSEN LLP San Jose, California August 23, 2000