The GBDKA171825 from GeoSat Microwave is a Low Noise Block with Input RF Frequency 17.2 to 18.2 GHz, Output RF Frequency 950 MHz to 1.95 GHz, LO Frequency 16.25 GHz, LO Stability ±25 kHz, Gain 22 to 28 dB. More details for GBDKA171825 can be seen below.