The NJT5677N from Nisshinbo Micro Devices Inc. is a Block Up Converter with IF frequency 950 MHz to 1.825 GHz, RF/Output Frequency 5.85 to 6.725 GHz, LO Frequency 4.9 GHz, Linear Power 37 dBm, Output Power 37 dBm. Tags: Module with Connectors. More details for NJT5677N can be seen below.