The DC-18A3520A20TR-1825 from ITS Electronics is a Low Noise Block with RF/Input Frequency 18.35 to 18.95 GHz / 18.8 to 19.3 GHz / 19.7 to 20.2 GHz, Output Frequency 900 MHz to 1.5 GHz / 950 MHz to 1.45 GHz, Output Power 18 dBm, Power 0.0001 W (-10 dBm (Input Level), P1dB 18 dBm. More details for DC-18A3520A20TR-1825 can be seen below.