The MXR-25W from RF Bay is a RF Mixer with LO Frequency 10 MHz to 2.5 GHz, IF Frequency 10 MHz to 2.5 GHz, Conversion Loss 7.2 to 9 dB, LO Drive - Power 17 dBm, P1dB 15 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for MXR-25W can be seen below.