The J2118M from Eclipse MDI is a RF Mixer with RF Frequency 2000 to 18000 MHz, LO Frequency 1800 to 18200 MHz, IF Frequency 0 to 200 MHz, Conversion Loss 6 to 8 dB, LO Drive - Power 10 dBm. Tags: Double Balanced Mixer. More details for J2118M can be seen below.