The DD-8G12G-ZBS-SMF from Quantic PMI (Planar Monolithics) is a RF Detector with Frequency 8 to 12 GHz, Max Input Power 20 dBm, Frequency Flatness ±1.0 dB, Voltage Sensitivity 400 mV/mW, VSWR 1.60:1. Tags: Module with Connectors, Diode Detector. More details for DD-8G12G-ZBS-SMF can be seen below.