The MXR-25M from RF Bay is a RF Mixer with LO Frequency 5 MHz to 2.5 GHz, IF Frequency 5 MHz to 1.5 GHz, Conversion Loss 8.5 to 9.8 dB, LO Drive - Power 13 dBm, P1dB 9 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for MXR-25M can be seen below.