The GBDKU1011S25 from GeoSat Microwave is a Low Noise Block with Input RF Frequency 10.95 to 11.7 GHz, Output RF Frequency 950 MHz to 1.7 GHz, LO Frequency 10 GHz, LO Stability ±25 kHz, Gain 17 to 23 dB. More details for GBDKU1011S25 can be seen below.