The PICO HF-1.2 is a micro-miniature sensor with a wide-band and relatively flat frequency response over the range of 500-1850 kHz. Its small size makes the sensor an ideal candidate for computer hard disk examination and other applications requiring very small size, low weight and wideband AE sensor response. A small diameter, integral coax cable exits from the side of the sensor with a BNC connector on the other end.