IMS - International Microwave Symposium is the preeminent annual gathering, exhibition and symposium for researchers and technologists in radio frequency (RF) technology, microwave and millimeter wave, and academic and industry practitioners worldwide, held annually since 2003, rotating throughout the United States. The conference and exhibition lasts for one week, so it is called American Microwave Week, Microwave Communications Show, Microwave Technology Show. Microwave Technology Expo is known as the world's largest gathering place for RF and microwave professionals, as well as the birthplace of the latest academic research and technology products in the microwave field.