The DD-1G18G-ZBS-SFF from Quantic PMI (Planar Monolithics) is a RF Detector with Frequency 1 to 18 GHz, Max Input Power 20 dBm, Frequency Flatness ±1 to 1.4, VSWR 6.00:1, 8.00:1, Operating Temperature -45 to 85 Degree C. Tags: Module with Connectors, Diode Detector. More details for DD-1G18G-ZBS-SFF can be seen below.