The AR2640LI8C from Narda-MITEQ is a RF Mixer with RF Frequency 26000 to 40000 MHz, LO Frequency 26000 to 40000 MHz, IF Frequency 100 to 200 MHz, Image Rejection 18 dB, Conversion Gain 30 dB. Tags: Module with Connectors. More details for AR2640LI8C can be seen below.