The BM13705 from Bracke Manufacturing is a RF Mixer with RF Frequency 16 to 26 GHz, LO Frequency 16 to 26 GHz, IF Frequency DC to 4 GHz, Conversion Loss 8 to 10 dB, LO Drive - Power 10 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for BM13705 can be seen below.