The CHR3693-99F from United Monolithic Semiconductors is a RF Mixer with RF Frequency 21.00-26.50 GHz, LO Frequency 9.00-14.00 GHz, IF Frequency DC-3.5 GHz, Conversion Loss 15 dB, LO Drive - Power 2 dBm. Tags: Die, Down-Conversion Mixer. More details for CHR3693-99F can be seen below.