The STTB-4106 from Crane Aerospace & Electronics is a RF Mixer with RF Frequency 6000 to 26500 MHz, LO Frequency 6000 to 26500 MHz, IF Frequency 4000 to 12000 MHz, Conversion Loss 8 to 12 dB, LO Drive - Power 10 dBm. Tags: Module with Connectors, Triple Balanced Mixer, Passive Mixer. More details for STTB-4106 can be seen below.