The ARM0408LC2B from Narda-MITEQ is a RF Mixer with RF Frequency 4000 to 8000 MHz, LO Frequency 4000 to 8000 MHz, IF Frequency 40 to 80 MHz, Image Rejection 18 dB, Conversion Gain 30 dB. Tags: Module with Connectors, Double Balanced Mixer. More details for ARM0408LC2B can be seen below.