The LM-500M8G-12-33DBM-12V from Quantic PMI (Planar Monolithics) is a Limiter with Frequency 500 MHz to 8 GHz, Flat Leakage 0.016 W, Flat Leakage 12.3 dBm, Input Power 33 dBm, Input Power 1.99 W. Tags: Module with Connectors. More details for LM-500M8G-12-33DBM-12V can be seen below.