Foam Dielectric Spacer
A customer ordered StyroShapes Circles 14-1/2” x 24” Diameter and Foam Sheets 14-1/2”x 16” x 24” in order to create a low dielectric ¼ inch spacer. This was used between the 4 foil patch antennas (UHF RFID or 915 Mhz) and a foil ground plane.