16 channels are used in this C200 treadmill from Switzerland: But this treadmill is not low-cost high-quality, since it costs more than 20 000 USD. But all the same, we suppose it uses a smiliar architecture which was tested in the following paper. This paper uses an OpenBCI 16 channel module with WIFI: https://www.mdpi.com/1424-8220/23/7/3763 Wifi …