Exhibit 10.1 JOINDER AGREEMENT This JOINDER AGREEMENT (the "Agreement") is dated as of January 15, 2010 by and among CalAmp Corp., a Delaware corporation whose address is 1401 N. Rice Avenue, Oxnard, CA 93030 (the "Company"), the Domestic Subsidiaries...Joinder Agreement • January 19th, 2010 • CalAmp Corp. • Radio & tv broadcasting & communications equipment • California
