The MXR-15 from RF Bay is a RF Mixer with LO Frequency 5 MHz to 1.5 GHz, IF Frequency DC to 1 GHz, Conversion Loss 7.5 to 9.3 dB, LO Drive - Power 7 dBm, P1dB 1 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for MXR-15 can be seen below.