The HLM-8011U from Marki Microwave is a Limiter with Frequency DC to 30 GHz, Flat Leakage 0.005 W, Flat Leakage 7 dBm, Input Power 30 dBm, Input Power 1 W. Tags: Module with Connectors, PIN-Schottky Diode. More details for HLM-8011U can be seen below.