The DD-1G40G-ZBS-SFF from Quantic PMI (Planar Monolithics) is a RF Detector with Frequency 1 to 40 GHz, Max Input Power 20 dBm, Frequency Flatness ±1, VSWR 8.00:1, Operating Temperature -45 to 85 Degree C. Tags: Module with Connectors, Diode Detector. More details for DD-1G40G-ZBS-SFF can be seen below.