The X1L-05-411 from Pulsar Microwave is a RF Mixer with LO Frequency 20 MHz to 1.6 GHz, IF Frequency 20 to 600 MHz, Conversion Loss 8 dB, LO Drive - Power 10 dBm, P1dB 5 dBm. Tags: Module with Connectors, Triple Balanced Mixer. More details for X1L-05-411 can be seen below.