The GMD123128A01 from Genmix Technology is a Low Noise Block with Input RF Frequency 12.25 to 12.75 GHz, Output RF Frequency 950 MHz to 1.450 GHz, LO Frequency 11.3 GHz, Gain 60 dB, Gain Flatness 4 dB p-p. More details for GMD123128A01 can be seen below.