The ARM0408LC2A from Narda-MITEQ is a RF Mixer with RF Frequency 4000 to 8000 MHz, LO Frequency 4000 to 8000 MHz, IF Frequency 20 to 40 MHz, Image Rejection 18 dB, Conversion Gain 30 dB. Tags: Module with Connectors, Double Balanced Mixer. More details for ARM0408LC2A can be seen below.