FlexPIFA™ Flexible Adhesive-Backed PIFA Antennas Ezurio FlexPIFA™ Flexible Adhesive-Backed PIFA Antennas are 2.4/5.5GHz dual-band flexible Planar Inverted-F Antennas (PIFA) that are designed to deliver strong performance in challenging environments. These antennas provide a quick and easy installation with unmatched flexibility to solve real-world antenna design challenges. The FlexPIFA adhesive-backed antennas can be installed across a broad array of environments, enclosures, or even body-worn applications including different non-conductive surfaces and thicknesses, on flat/curved surfaces, and near metals or the human body. The adhesive on these antennas holds onto the surface during humidity exposure and hot/cold cycles.