The ZX05-C42-S+ from Mini Circuits is a RF Mixer with RF Frequency 1000 to 4200 MHz, LO Frequency 1000 to 4200 MHz, IF Frequency DC to 1500 MHz, Conversion Loss 6.1 to 8.9 dB, LO Drive - Power 7 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for ZX05-C42-S+ can be seen below.