The MXR-25F from RF Bay is a RF Mixer with LO Frequency 100 MHz to 2.5 GHz, IF Frequency DC to 750 MHz, Conversion Loss 6.5 to 7.5 dB, LO Drive - Power 13 dBm, P1dB 9 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for MXR-25F can be seen below.