The NJT5764F from Nisshinbo Micro Devices is a Block Upconverter with AC Voltage 90 to 264 VAC, DC Voltage 18 to 60 V, Gain 58 to 64 dB(Linear Gain), Impedance 75 Ohms, Input Frequency 965 MHz to 1.265 GHz. Tags: Waveguide. More details for NJT5764F can be seen below.