The ZFM-2H from Mini Circuits is a RF Mixer with RF Frequency 0 to 1000 MHz, LO Frequency 0 to 5 MHz, IF Frequency 0 to 1000 MHz, Conversion Loss 6.12 to 10 dB, LO/RF Isolation 40 dB. Tags: Module with Connectors. More details for ZFM-2H can be seen below.