The Kathrein Scala Division CA7 series yagi antennas are intended for use in professional fixed-station applications in the 406–512 MHz band. They feature: internal balun and dipole feedpoint sealed within the boom assembly, balanced feed system with no capacitors, heavy wall anodized aluminum pipe and tubing, heavy-duty aluminum castings and stainless steel hardware, all aluminum components anodized for corrosion resistance, entire antenna at DC ground potential.
