Replacement fiberglass plate if you plan to use the high wind kit with the 80m coil. All new BigIR antenna’s come with the fiberglass plate as of 4/13/20.
All new antennas ordered with an OptimizIR 2.0 controller will be shipped with a loaner SDA 100 until the OptimizIR 2.0 is ready to ship in 8 weeks from 8/15/23.