The NDAC09004 from NEDITEK is a RF Mixer with RF Frequency 1.8 to 5 GHz, LO Frequency 1.8 to 5 GHz, IF Frequency DC to 2 GHz, Conversion Gain -7 dB, LO/RF Isolation 40 dB. Tags: Surface Mount, Active Mixer. More details for NDAC09004 can be seen below.