The X1L-06-411 from Pulsar Microwave is a RF Mixer with LO Frequency 800 MHz to 1.9 GHz, IF Frequency 40 to 500 MHz, Conversion Loss 8 dB, LO Drive - Power 7 dBm, P1dB 1 dBm. Tags: Module with Connectors, Triple Balanced Mixer. More details for X1L-06-411 can be seen below.