Anritsu’s business expansion has occurred chiefly in the information and communication field. The company's flagship measuring instrument business provides products and services indispensable to the development, manufacture and maintenance of a range of communication systems as typified in mobile phones and the Internet on a global scale. In addition, Anritsu technologies have incorporated into a range of products in other fields, such as IP network equipment, inspection equipment for food and pharmaceutical products, and precision measuring instruments for electronic component.