The X2M-09-411 from Pulsar Microwave is a RF Mixer with LO Frequency 800 MHz to 2.5 GHz, IF Frequency DC to 400 MHz, Conversion Loss 8 dB, LO Drive - Power 17 dBm, P1dB 10 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for X2M-09-411 can be seen below.