A short range wireless communication device includes: a connection unit connectable with an external connection unit according to multiple data communication protocols defining data communication via a short range communication line covering a communication band; and a control unit that controls connection/disconnection of protocols. The protocols include high and low priority data communication protocols corresponding to high and low priority parts of the communication band, respectively. When a request for concurrently executing data communications under protocols is issued, the control unit preserves the high priority part of the communication band in priority to the low priority part of the communication band to execute high priority data communication under the high priority data communication protocol in priority to low priority data communication under the low priority data communication protocol.