FCC, established in 1934 by COMMUNICATIONACT, is an independent body of the United States government, directly responsible to congress. FCC coordinates domestic and international communications by controlling radio, television, telecommunications, satellites and cables. Involving more than 50 states, Columbia and the United States in their respective districts to ensure the safety of life and property related to radio and wire communications products, Department of engineering technology FCC (Office of Engineering and Technology) is responsible for the technical support Committee, is also responsible for equipment approved the transaction. Many radio applications products, communications products and digital products to enter the U.S. market, all require FCC recognition. The FCC Committee investigates and studies all phases of product safety to find the best solution to the problem, and FCC also includes radio equipment, aircraft testing, and so on