The X1L-01-411 from Pulsar Microwave is a RF Mixer with LO Frequency 0.05 to 250 MHz, IF Frequency 0.05 to 250 MHz, Conversion Loss 7 dB, LO Drive - Power 10 dBm, P1dB 5 dBm. Tags: Module with Connectors, Triple Balanced Mixer. More details for X1L-01-411 can be seen below.