The DNB3-WS-19.5-1.8 from Narda-MITEQ is a Low Noise Block with RF/Input Frequency 17 to 22 GHz, Output Frequency 800 MHz to 2.60 GHz, LO Frequency 16.2 to 19.6 GHz, Output Power 18 dBm, P1dB 18 dBm. More details for DNB3-WS-19.5-1.8 can be seen below.