The DBE-12.1 from GeoSync Microwave is a Low Noise Block with RF/Input Frequency 11.7 to 12.5 GHz, Output Frequency 950 MHz to 1.75 GHz, LO Frequency 10.75 GHz, AC Voltage 90 to 250 Vac, Operating Temperature -40 to 60 Degree C. More details for DBE-12.1 can be seen below.