The M2-0440LN from Marki Microwave is a RF Mixer with RF Frequency 4 to 40 GHz, LO Frequency 4 to 40 GHz, IF Frequency 0.5 to 20 GHz, Conversion Loss 10 to 15 dB, LO Drive - Power 10 to 20 dBm. Tags: Module with Connectors, Triple Balanced Mixer. More details for M2-0440LN can be seen below.