The DNB3-WS-11.725 from Narda-MITEQ is a Low Noise Block with Input RF Frequency 10.7 to 12.75 GHz, Output RF Frequency 950 MHz to 1.7 GHz, LO Frequency 9.75 to 11.25 GHz, Gain 38 dB, Noise Figure 15 dB. More details for DNB3-WS-11.725 can be seen below.