EXHIBIT 11 PURCHASE AND ASSIGNMENT AGREEMENT June 7, 2000 Lance Weller Margaret Weller 3400 River Green Ct. Duluth, Georgia 30096 Dear Sirs: RE: DIGITAL TRANSMISSION SYSTEMS, INC. ---------------------------------- This letter sets forth the agreement...Purchase and Assignment Agreement • November 14th, 2000 • Wi Lan Inc • Communications equipment, nec • Alberta
