The XL-11-411 from Pulsar Microwave is a RF Mixer with LO Frequency 1 MHz to 6 GHz, IF Frequency DC to 700 MHz, Conversion Loss 9 dB, LO Drive - Power 10 dBm, P1dB 4 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for XL-11-411 can be seen below.