The ZX05-42MH-S+ from Mini Circuits is a RF Mixer with RF Frequency 5 to 4200 MHz, LO Frequency 5 to 4200 MHz, IF Frequency 5 to 3500 MHz, Conversion Loss 7.5 to 9.8 dB, LO Drive - Power 13 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for ZX05-42MH-S+ can be seen below.