The BD1800 Series from Milexia Group is a Low Noise Block with Input RF Frequency 17.7 to 22.2 GHz, Output RF Frequency 920 MHz to 2.2 GHz, LO Frequency 12.2 to 19.7 GHz, Gain 25 dB, Noise Figure 16 to 20 dB. More details for BD1800 Series can be seen below.