Patent ID: 7006837

Claim:
A computer apparatus having a wireless LAN (Local Area Network) connecting unit for connection with a wireless LAN, the computer apparatus comprising: a GPS (Global Positioning System) receiver responsive to a GPS signal for producing current position data representative of a current position of the computer apparatus; and an area data output unit responsive to the current position data for producing specific area data representative of a specific area including the current position; the wireless LAN connecting unit being preliminarily given a plurality of wireless LAN communication modes corresponding to a plurality of area data, respectively, the wireless LAN connecting unit being responsive to the specific area data for automatically setting, as a selected communication mode, one of the wireless LAN communication modes which corresponds to the specific area data, thereby carrying out transmission/reception via the wireless LAN in the selected communication mode, wherein: each of the wireless LAN communication modes corresponding to the area data is determined by a specific radio frequency channel and a specific transmit power level used in an area represented by the area data corresponding thereto; the wireless LAN connecting unit carrying out transmission/reception via the wireless LAN by the use of the specific radio frequency channel and the specific transmit power level which determine the selected communication mode.