The CMD251C3 from Qorvo is a Space Qualified RF Mixer with RF Frequency 4 to 8.5 GHz, LO Frequency 4 to 8.5 GHz, IF Frequency DC to 2.2 GHz, Conversion Loss 7 to 10 dB, Conversion Gain -7 dB. Tags: Surface Mount, Double Balanced Mixer. More details for CMD251C3 can be seen below.