The GXR-3 from RF Bay is a RF Mixer with LO Frequency 5.5 to 14 GHz, IF Frequency DC to 6 GHz, Conversion Loss 7 to 10 dB, LO Drive - Power 15 dBm, P1dB 13 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for GXR-3 can be seen below.