The ALD0025 from Actox is a Low Noise Block with Input RF Frequency 21.2 to 22.2 GHz, Output RF Frequency 950 MHz to 1.950 GHz, LO Frequency 20.25 GHz, LO Stability 25 KHz, Gain 50 to 62 dB(Conversion Gain). More details for ALD0025 can be seen below.