The NJT8318NMRA from Nisshinbo Micro Devices is a Block Upconverter with Gain 59 to 65 dB(Linear Gain), Impedance 50 Ohms, Input Frequency 950 MHz to 1.450 GHz, Input Power -5 to 5 dBm, LO Frequency 13.05 GHz. Tags: Waveguide. More details for NJT8318NMRA can be seen below.