The ZFM-2000 from Mini Circuits is a RF Mixer with RF Frequency 0 to 2000 MHz, LO Frequency 0 to 100 MHz, IF Frequency 0 to 600 MHz, Conversion Loss 7.49 to 9.5 dB, LO/RF Isolation 37 dB. Tags: Module with Connectors. More details for ZFM-2000 can be seen below.