Communication device and antenna device with first and second antennas having power supply sections separated by nλ/4 electric path length

摘要

There is provided an antenna device including a first antenna including a first power supply section, a first short-circuited section connected to a bottom board, and a first open-circuited section, and a second antenna including a second power supply section separated from the first power supply section by an electric path length of about nλ/4, a second short-circuited section connected to the bottom board, and a second open-circuited section.