The 201040013 from KRYTAR is a RF Detector with Frequency 1 to 40 GHz, Max Input Power 2 W, Insertion Loss 1.1 to 1.8 dB, Directivity 10 to 14 dB, VSWR 1.50:1, 1.70:1. Tags: Module with Connectors, Directional Detector. More details for 201040013 can be seen below.