The DBE-3.8-INV from GeoSync Microwave is a Low Noise Block with RF/Input Frequency 3.4 to 4.2 GHz, Output Frequency 950 MHz to 1.75 GHz, LO Frequency 5.15 GHz, AC Voltage 90 to 250 Vac, Operating Temperature -40 to 60 Degree C. More details for DBE-3.8-INV can be seen below.