The HD32503 from HD Communications Corp is a RF Mixer with RF Frequency 10 to 2200 MHz, LO Frequency 10 to 2200 MHz, IF Frequency DC to 1800 MHz, Conversion Loss 6.5 to 8 dB, LO Drive - Power 17 dBm. Tags: Module with Connectors, Double Balanced Mixer, Passive Mixer. More details for HD32503 can be seen below.