The KDT0518 from KRYTAR is a RF Detector with Frequency 0.5 to 18.5 GHz, Max Input Power 6.99 dBm, Max Input Power 0.005 W, Capacitance 100 pF. Tags: Connectorized, Planar Tunnel Diode Detector, Tunnel Diode Detector. More details for KDT0518 can be seen below.