The X2L-02-411 from Pulsar Microwave is a RF Mixer with LO Frequency 0.01 to 125 MHz, IF Frequency DC to 125 MHz, Conversion Loss 6 dB, LO Drive - Power 7 dBm, P1dB 1 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for X2L-02-411 can be seen below.