The ZLW-1W from Mini Circuits is a RF Mixer with RF Frequency 0 to 750 MHz, LO Frequency 0 to 1 MHz, IF Frequency 0 to 750 MHz, Conversion Loss 5.74 to 8.5 dB, LO/RF Isolation 45 dB. Tags: Module with Connectors. More details for ZLW-1W can be seen below.