The ZLW-1SH from Mini Circuits is a RF Mixer with RF Frequency 0 to 500 MHz, LO Frequency 0 to 2 MHz, IF Frequency 0 to 500 MHz, Conversion Loss 5.93 to 7.5 dB, LO/RF Isolation 40 dB. Tags: Module with Connectors. More details for ZLW-1SH can be seen below.