g.Nautilus Research is a research-grade wireless EEG system designed for high-quality brain signal acquisition in laboratory and real-world environments. Available with up to 64 active EEG channels, flexible electrode positioning, and active dry or wet EEG electrodes, it supports mobile neuroscience, Brain-Computer Interfaces, EEG-fNIRS, virtual reality, human factors, cognitive neuroscience, sports science, and neurotechnology research. Integrated with the complete g.tec software ecosystem, including Python, MATLAB, Simulink, and Lab Streaming Layer (LSL), the platform enables advanced neuroscience workflows from data acquisition to real-time processing and machine learning.