The LNB-183188-60/120 from Narda-MITEQ is a Low Noise Block with Input RF Frequency 18.3 to 18.8 GHz, Output RF Frequency 950 MHz to 1.45 GHz, LO Frequency 17.35 GHz, Gain 58 to 62 dB, Output Power 20 dBm. More details for LNB-183188-60/120 can be seen below.