The BM13704 from Bracke Manufacturing is a RF Mixer with RF Frequency 6 to 18 GHz, LO Frequency 6 to 18 GHz, IF Frequency 2 to 8 GHz, Conversion Loss 7 dB, LO Drive - Power 10 dBm. Tags: Module with Connectors, Triple Balanced Mixer. More details for BM13704 can be seen below.