The HBM42 from HXI is a RF Mixer with RF Frequency 18000 to 26500 MHz, LO Frequency 18000 to 26500 MHz, IF Frequency 10 MHz to 18 GHz, Conversion Loss 6 to 8 dB, LO Drive - Power +13 dBm nominal. Tags: Module with Connectors, Single Balanced Mixer. More details for HBM42 can be seen below.