The MXR-25DM from RF Bay is a RF Mixer with LO Frequency 40 MHz to 2.5 GHz, IF Frequency DC to 1 GHz, Conversion Loss 8 to 9.5 dB, LO Drive - Power 13 dBm, P1dB 9 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for MXR-25DM can be seen below.