The AL20025 from Actox is a Low Noise Block with Input RF Frequency 11.70 to 12.20 GHz, Output RF Frequency 950 MHz to 1.45 GHz, LO Frequency 10.75 GHz, LO Stability 25 KHz, Gain 55 to 70 dB(Conversion Gain). More details for AL20025 can be seen below.