MODIFICATION TO ADD THE FOLLOWING FREQUENCY RANGES: 824 - 849, 869 - 894, 806 - 824, 851 - 869, 896 - 901, 935 - 940, 1850 - 1990 MHZ TO DESIGN, DEVELOP, TEST, AND DEMONSTRATE CELLULAR LAND MOBILE, PRIVATE LAND MOBILE, AND PCS COMPONENTS AND TRANSMITTERS.