This Architectural Drawing is AutoCAD 2d drawing of NEW ISAT MICRO WAVES DISH 1.8 M details in AutoCAD, dwg file. Microwave frequencies range between 109 Hz (1 GHz) to 1000 GHz with respective wavelengths of 30 to 0.03 cm. Within this spectral domain are a number of communication systems applications that are important in both the military and civilian sectors.