The GXR-13 from RF Bay is a RF Mixer with LO Frequency 800 MHz to 2 GHz, IF Frequency DC to 500 MHz, Conversion Loss 9 to 10.5 dB, LO Drive - Power 10 dBm, P1dB 10 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for GXR-13 can be seen below.