The DNB-4B-1-IN from Narda-MITEQ is a Low Noise Block with Input RF Frequency 3.4 to 12.755 GHz, Output RF Frequency 950 MHz to 1.75 GHz, LO Frequency 5.15 to 11.005 GHz, Gain 30 dB, Noise Figure 15 dB. More details for DNB-4B-1-IN can be seen below.