The X2H-05-411 from Pulsar Microwave is a RF Mixer with LO Frequency 0.5 MHz to 1 GHz, IF Frequency DC to 1 GHz, Conversion Loss 8.5 dB, LO Drive - Power 23 dBm, P1dB 17 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for X2H-05-411 can be seen below.