The Aaronia HyperLOG4040XBPA Directional Antenna 400 MHz - 4 GHz measures the frequency range of 400 MHz to 4 GHz. This HyperLOG antenna goes through rigorous testing before dispatch and is equipped with a high quality gold coating, a high-tech antenna-case (radome) which offers protection against mechanical damage and environmental influence, a top-quality integrated tripod connection and a SMA connector (18 GHz version) with twist protection. The HyperLOG 4040 can be combined with any spectrum analyzer to form an EMC measurement system for mobile or laboratory use, and is suitable for interference field strength measurement. The specialized broadband characteristics allow measurements to be taken in the complete specified frequency range without switching.