The ZFM-3H from Mini Circuits is a RF Mixer with RF Frequency 0 to 300 MHz, LO Frequency 0 to 0.05 MHz, IF Frequency 0 to 300 MHz, Conversion Loss 5.18 to 8.5 dB, LO/RF Isolation 40 dB. Tags: Module with Connectors. More details for ZFM-3H can be seen below.