When having been set into, for example, a mode for registering a Bluetooth device address (BD_ADDR) in accordance with the Bluetooth Standard or a mode for registering a Personal Identification Number (PIN) code in accordance with the Bluetooth Standard, a wireless communication device of the present invention can be link-connected with a partner device without performing authentication on the partner device, to receive and register information from the partner device.Furthermore, if a BD_ADDR of a partner device is already registered, the wireless communication device of the present invention can be link-connected with the partner device without performing authentication of the partner device.