The NJT8370FMKA from Nisshinbo Micro Devices is a Block Upconverter with DC Voltage 36 to 60 V, Gain 66 to 72 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 NJT8370FMKA can be seen below.