The DNB3-WS-11.725 from Narda-MITEQ is a Low Noise Block with RF/Input Frequency 10.7 to 12.75 GHz, Output Frequency 950 MHz to 1.7 GHz, LO Frequency 9.75 to 11.25 GHz, Output Power 18 dBm, P1dB 18 dBm. More details for DNB3-WS-11.725 can be seen below.