The TBR0618HA1G from Narda-MITEQ is a RF Mixer with RF Frequency 6000 to 18000 MHz, LO Frequency 6000 to 18000 MHz, IF Frequency 50 to 5000 MHz, Conversion Loss 6 dB, Noise Figure 8.5 dB. Tags: Module with Connectors, Triple Balanced Mixer. More details for TBR0618HA1G can be seen below.