GM6DX 3 Phased Vertical Array Switch Unit (3kW PEP)
1 x 3 phased vertical array switch unit. Requires 12v-15vdc (rigs power supply). Requires CAT5/6 cable to connect beteen switch and relay unit.
Simply install 3 x 1/4 wave vertical antennas for the band in use. This device allows you to switch north, south, east and west with gain in those directions as well as the ability to operate as a single vertical. Has the same front to back and forward gain as a 4 square antenna (but only needing 3). Video of the testing found here.