The CHR2391-99F from United Monolithic Semiconductors is a RF Mixer with RF Frequency 12.00-16.00 GHz, LO Frequency 5.25-7.25 GHz, IF Frequency DC-1.5 GHz, Conversion Loss 15 dB, LO Drive - Power 10 dBm. Tags: Die, Down-Conversion Mixer. More details for CHR2391-99F can be seen below.