The APT5-LNB-17801930-92K10-WR42 from AmpliTech is a Low Noise Block with Input RF Frequency 17.8 to 19.3 GHz, Output RF Frequency 920 MHz to 2.42 GHz, LO Frequency 16.8 GHz, Gain 55 dB, Gain Flatness 1 dB. More details for APT5-LNB-17801930-92K10-WR42 can be seen below.