The PH-20-411 from Pulsar Microwave is a RF Mixer with LO Frequency 1.85 to 1.91 GHz, IF Frequency 70 MHz, Conversion Loss 8.3 dB, LO Drive - Power 23 dBm, IP3 33 to 35 dBm. Tags: Module with Connectors, Triple Balanced Mixer. More details for PH-20-411 can be seen below.