The GXR-16 from RF Bay is a RF Mixer with LO Frequency 9 to 15 GHz, IF Frequency DC to 2.5 GHz, Conversion Loss 8.5 to 11 dB, LO Drive - Power 13 dBm, P1dB 9.5 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for GXR-16 can be seen below.