The C-BDC 5.15 E from Swedish Microwave AB is a Low Noise Block with RF/Input Frequency 3.4 to 4.2 GHz, Output Frequency 1750 to 950 MHz (Inverted), LO Frequency 5.15 GHz, Output Power 15 dBm, P1dB 5 to 15 dBm. More details for C-BDC 5.15 E can be seen below.