The STDB-2005 from Crane Aerospace & Electronics is a RF Mixer with RF Frequency 4000 to 20000 MHz, LO Frequency 4000 to 20000 MHz, IF Frequency DC to 4000 MHz, Conversion Loss 5.5 to 7.5 dB, LO Drive - Power 7 dBm. Tags: Module with Connectors, Double Balanced Mixer, Passive Mixer. More details for STDB-2005 can be seen below.