The J0020M from Eclipse MDI is a RF Mixer with RF Frequency 10 to 1500 MHz, LO Frequency 10 to 1500 MHz, IF Frequency 0 to 600 MHz, Conversion Loss 7 to 8.5 dB, LO Drive - Power 10 dBm. Tags: Double Balanced Mixer. More details for J0020M can be seen below.