The DBE-12.475 from GeoSync Microwave is a Low Noise Block with RF/Input Frequency 12.2 to 12.75 GHz, Output Frequency 950 MHz to 1.5 GHz, LO Frequency 11.25 GHz, AC Voltage 90 to 250 Vac, Operating Temperature -40 to 60 Degree C. More details for DBE-12.475 can be seen below.