Digi serves up peripherals on a serial platter. Digi International makes serial cards and ports for connecting peripherals to networks. It also sells networking devices that utilize the USB (Universal Serial Bus) interface. The company's products are used in point-of-sale (POS) systems, as well as industrial automation, medical, hospitality, and building automation applications. Digi manufactures microprocessors and software used to connect electronic devices to networks. The company sells directly and through resellers and distributors, such as Tech Data. Digi International gets about 60% of its sales in North America.