Wireless communication device and image display apparatus including the same

An image display apparatus comprising:

• a display;
• a memory configured to store country code information;
• a signal processing device configured to output an image signal to the display, and
• a wireless communication device configured to perform wireless communication with an external device,
• wherein the wireless communication device is configured to set wireless channel and wireless transmission power based on selected country code information in response to country code information within a beacon frame received from an adjacent access point device not matching country code information within the memory.

A wireless communication device comprising:

• a first antenna configured to receive a wireless signal of a first frequency band;
• a second antenna configured to receive a wireless signal of a second frequency band;
• a third antenna configured to receive a wireless signal of a third frequency band;
• and
• a processor configured to control one of the first to third antennas to scan a beacon frame, set wireless channel and wireless transmission power based on country code information stored in a memory in response to a beacon frame being not received within a predetermined period of time, extract country code information within the beacon frame in response to the beacon frame being received within the predetermined period of time, and set wireless channel and wireless transmission power based on the extracted country code information.