The SRD0218LW4 from Narda-MITEQ is a RF Mixer with RF Frequency 2000 to 18000 MHz, LO Frequency 800 to 1300 MHz, IF Frequency 100 to 400 MHz, Conversion Loss -5 dB, Conversion Gain 5 dB. Tags: Module with Connectors. More details for SRD0218LW4 can be seen below.