The CMD303C3 from Qorvo is a Space Qualified RF Mixer with RF Frequency 13 to 21 GHz, LO Frequency 6.5 to 10.5 GHz, IF Frequency DC to 4 GHz, Conversion Loss 9.5 to 13 dB, Conversion Gain -10 dB. Tags: Surface Mount, Sub-Harmonic Mixer. More details for CMD303C3 can be seen below.