The DBE-4.65 from GeoSync Microwave is a Low Noise Block with RF/Input Frequency 4.5 to 4.8 GHz, Output Frequency 950 MHz to 1.25 GHz, LO Frequency 3.55 GHz, AC Voltage 90 to 250 Vac, Operating Temperature -40 to 60 Degree C. More details for DBE-4.65 can be seen below.