The CLK-7B5S from Synergy Microwave Corporation is a RF Mixer with LO Frequency 5 to 2000 MHz, IF Frequency DC to 1000 MHz, Conversion Loss 7 to 10.5 dB, LO Drive - Power 7 dBm, P1dB 1 dBm. Tags: Module with Connectors, Double Balanced Mixer, Down-Conversion Mixer, Up-Conversion Mixer. More details for CLK-7B5S can be seen below.