The ZLW-1 from Mini Circuits is a RF Mixer with RF Frequency 0 to 500 MHz, LO Frequency 0 to 0.5 MHz, IF Frequency 0 to 500 MHz, Conversion Loss 5.81 to 8.5 dB, LO/RF Isolation 45 dB. Tags: Module with Connectors. More details for ZLW-1 can be seen below.