The M3508 from Advanced Microwave Inc is a RF Mixer with RF Frequency 26000 to 40000 MHz, LO Frequency 26000 to 40000 MHz, IF Frequency 0 to 8000 MHz, Conversion Loss 10 to 16 dB, LO/RF Isolation 35 to 27 dB. Tags: Module with Connectors, Double Balanced Mixer. More details for M3508 can be seen below.