The DC-18A2019A35TR-1825 from ITS Electronics is a Low Noise Block with RF/Input Frequency 18.2 to 18.6 GHz / 18.6 to 18.8 GHz / 19.3 to 19.35 GHz, Output Frequency 950 MHz to 1.35 GHz / 950 MHz to 1.15 GHz / 1.15 to 1.2 GHz, Output Power 18 dBm, Power 0.0001 W (-10 dBm (Input Level), P1dB 18 dBm. More details for DC-18A2019A35TR-1825 can be seen below.