Patent attributes
A frequency reconfiguration array antenna includes a first metal plate, and a first antenna element formed on the first metal plate and reconfiguring a frequency. An array antenna includes a second metal plate and a second antenna element formed on the second metal plate and reconfiguring a frequency. Further, the array antenna includes a connection plate being bent to connect the first metal plate and the second metal plate, and being bent to change the distance between the first metal plate and the second metal plate according to the frequency of the first and second antenna elements.