The ZAM-42 from Mini Circuits is a RF Mixer with RF Frequency 0 to 4200 MHz, LO Frequency 0 to 1500 MHz, IF Frequency 0 to 500 MHz, Conversion Loss 5.67 to 8.5 dB, LO/RF Isolation 25 dB. Tags: Module with Connectors. More details for ZAM-42 can be seen below.