The KTH0518 from KRYTAR is a RF Detector with Frequency 0.5 to 18.5 GHz, Max Input Power 20 dBm, Dynamic Range -20 to -10 dBm, Supply Voltage 5 V, Current 100 mA. Tags: Module with Connectors, Threshold Detector. More details for KTH0518 can be seen below.