The X2L-04-D from Pulsar Microwave is a RF Mixer with LO Frequency 0.1 to 750 MHz, IF Frequency DC to 750 MHz, Conversion Loss 8 dB, LO Drive - Power 7 dBm, P1dB 1 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for X2L-04-D can be seen below.