The T3-1040GLN from Marki Microwave is a RF Mixer with RF Frequency 10 to 40 GHz, LO Frequency 10 to 4 GHz, IF Frequency 1 to 18 GHz, Conversion Loss 8 to 17 dB, LO Drive - Power 13 to 25 dBm. Tags: Module with Connectors, Triple Balanced Mixer. More details for T3-1040GLN can be seen below.