The M2B-0218 from Marki Microwave is a RF Mixer with RF Frequency 2000 to 18000 MHz, LO Frequency 2000 to 18000 MHz, IF Frequency 1 to 12 GHz, Conversion Loss 7.5 dB, LO/RF Isolation 30 dB. Tags: Module with Connectors, Triple Balanced Mixer. More details for M2B-0218 can be seen below.