The STTB-4008 from Crane Aerospace & Electronics is a RF Mixer with RF Frequency 2000 to 20000 MHz, LO Frequency 2000 to 20000 MHz, IF Frequency 5 to 8000 MHz, Conversion Loss 7.5 to 9 dB, LO Drive - Power 10 dBm. Tags: Module with Connectors, Triple Balanced Mixer, Passive Mixer. More details for STTB-4008 can be seen below.