The Aaronia MDF560 Broadband Magnetic Field Tracking Antenna 500 KHz - 60 MHz is suitable for signal tracking and field strength measurements. This antenna measures the frequency range 500 kHz - 60 MHz. The MDF 560 can be combined with any spectrum analyzer or power meter to perform as a highly accurate field strength meter. Thanks to the high directionality of the antenna, the MDF 560 is ideally suited for signal direction finding. The MDF 560 can be used as a radio direction finder or to locate illegal or unwanted interference.