The GXR-8 from RF Bay is a RF Mixer with LO Frequency 14 to 26 GHz, IF Frequency DC to 8 GHz, Conversion Loss 8 to 12 dB, LO Drive - Power 13 dBm, P1dB 14 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for GXR-8 can be seen below.