The MXR-12M from RF Bay is a RF Mixer with LO Frequency 10 MHz to 1.2 GHz, IF Frequency DC to 1.2 GHz, Conversion Loss 8 to 9 dB, LO Drive - Power 13 dBm, P1dB 9 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for MXR-12M can be seen below.