Question: who makes mio sat navs?
Answer: Mio Technology Corporation (Chinese: 宇達電通股份有限公司), a subsidiary of MiTAC International Corporation, is a Taiwanese electronics maker that manufactures and markets Pocket PCs, Personal Digital Assistants (PDAs), smartphones and Personal Navigation Devices (PNDs). It sells products under the "Navman" and "Mio" brands.