The BM13700 from Bracke Manufacturing is a RF Mixer with RF Frequency 2 to 8 GHz, LO Frequency 2 to 8 GHz, IF Frequency DC to 6 GHz, Conversion Loss 5.5 to 7 dB, LO Drive - Power 10 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for BM13700 can be seen below.