The NJT8319FK from Nisshinbo Micro Devices is a Block Upconverter with DC Voltage 36 to 60 V, Gain 59 to 65 dB(Linear Gain), Impedance 75 Ohms, Input Frequency 950 MHz to 1.450 GHz, Input Power -5 to 5 dBm. Tags: Waveguide. More details for NJT8319FK can be seen below.