The X1L-4A-A from Pulsar Microwave is a RF Mixer with LO Frequency 5 to 500 MHz, IF Frequency 5 to 500 MHz, Conversion Loss 7 dB, LO Drive - Power 10 dBm, P1dB 5 dBm. Tags: Surface Mount, Triple Balanced Mixer. More details for X1L-4A-A can be seen below.