The GMD214216A01 from Genmix Technology is a Low Noise Block with Input RF Frequency 21.4 to 21.621 GHz, Output RF Frequency 1.150 to 1.371 GHz, LO Frequency 20.25 GHz, Gain 55 to 62 dB, Gain Flatness 4 dB p-p. More details for GMD214216A01 can be seen below.