The BM13701 from Bracke Manufacturing is a RF Mixer with RF Frequency 2 to 8 GHz, LO Frequency 2 to 8 GHz, IF Frequency 0.1 to 4 GHz, Conversion Loss 6.2 dB, LO Drive - Power 10 dBm. Tags: Module with Connectors, Triple Balanced Mixer. More details for BM13701 can be seen below.