Introduction: Rohde& Co., founded in 1933; Schwarz Technology Co., Ltd.(R&S;) , For over seventy years, we have been at the forefront of technology in the fields of testing and measurement, information technology, and communication. It is the largest electronic measuring instrument manufacturer in Europe and a leading provider of professional wireless communication, broadcasting, and information technology security technology, renowned worldwide for innovation, accuracy, and quality. The company's business covers over 70 countries worldwide. R& S. The company is headquartered in Germany and has regional support centers in the United States, China, Japan, Singapore, Brazil, and Abu Dhabi (United Arab Emirates). Moreover, R& S. The company has established service centers in every important market, so no matter where you are, you can get R&D services; S. The company's technical support.