The PL-20-411 from Pulsar Microwave is a RF Mixer with LO Frequency 1.85 to 1.91 GHz, IF Frequency 70 MHz, Conversion Loss 8 dB, LO Drive - Power 10 dBm, IP3 19 to 21 dBm. Tags: Module with Connectors, Triple Balanced Mixer. More details for PL-20-411 can be seen below.