The J6018H from Eclipse MDI is a RF Mixer with RF Frequency 6000 to 18000 MHz, LO Frequency 6000 to 18000 MHz, IF Frequency 0 to 4000 MHz, Conversion Loss 5.5 to 7.3 dB, LO Drive - Power 16 dBm. Tags: Double Balanced Mixer. More details for J6018H can be seen below.