OpenBCI has a great validation paper which qualifies it for neurophysiological research, but www.OpenBCI.com does not offer the WIFI shield anymore which is used in the paper

There is a validation paper for OpenBCI EEG: «A Novel OpenBCI Framework for EEG-Based Neurophysiological Experiments: a Cyton 16 channel EEG headset & WIFI shield: But this validation paper uses the OpenBCI WIFI shield. We miss a WIFI shield from www.OpenBCI.com which qualifies www.OpenBCI.com for neurophysiological research and that the same setup can be bought …