The MR208-3 from Spectrum Control is a RF Mixer with RF Frequency 6000 to 10000 MHz, LO Frequency 6000 to 10000 MHz, IF Frequency 0 to 300 MHz, Conversion Loss 11 dB, LO Drive - Power 13 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for MR208-3 can be seen below.