Base station antennas including wiper phase shifters

A base station antenna comprising:

• a first wiper phase shifter, and a second wiper phase shifter that is beside the first wiper phase shifter;
• a third wiper phase shifter, and a fourth wiper phase shifter that is beside the third wiper phase shifter;
• first and second wiper supports on the first and second wiper phase shifters, respectively, the first wiper support comprising a portion that is beside and interlocked with a portion of the second wiper support;
• third and fourth wiper supports on the third and fourth wiper phase shifters, respectively, wherein the third wiper support is beside and non-interlocking with the fourth wiper support;
• a metal structure comprising different first and second levels, wherein the first and second wiper phase shifters are on the first level, and wherein the third and fourth wiper phase shifters are on the second level;
• a fifth wiper phase shifter on the first level;
• a fifth wiper support on the fifth wiper phase shifter;
• and
• a first linkage overlapping the second and fifth wiper phase shifters;
• a second linkage that connects the first wiper support to the first linkage;
• and
• a third linkage that is connected to, and configured to control movement of, the first linkage
• wherein the first and second wiper supports overlap the third and fourth wiper supports, respectively.