The DBE-3.95 from GeoSync Microwave is a Low Noise Block with RF/Input Frequency 3.7 to 4.2 GHz, Output Frequency 950 MHz to 1.45 GHz, LO Frequency 8.55 GHz / 11.3 GHz, AC Voltage 90 to 250 Vac, Operating Temperature -40 to 60 Degree C. More details for DBE-3.95 can be seen below.