The X1H-03-411 from Pulsar Microwave is a RF Mixer with LO Frequency 1 MHz to 1 GHz, IF Frequency 1 MHz to 1 GHz, Conversion Loss 7.5 dB, LO Drive - Power 23 dBm, P1dB 16 dBm. Tags: Module with Connectors, Triple Balanced Mixer. More details for X1H-03-411 can be seen below.