The 202040016K from KRYTAR is a RF Detector with Frequency 2 to 40 GHz, Max Input Power 4 W, Insertion Loss 0.9 to 1.6 dB, Directivity 11 to 15 dB, VSWR 1.50:1, 1.70:1. Tags: Module with Connectors, Directional Detector. More details for 202040016K can be seen below.