The HLM-100001CH from Marki Microwave is a Power Limiter with Frequency DC to 10 GHz, Input Power 27 dBm (IP3), Input Power P1 dB 11 dBm, Limited Output Power 40 dBm, Limited Output Power 10 W. Tags: Die, Schottky Diode. More details for HLM-100001CH can be seen below.