IX-TA-220 Recorder with Integrated Sensors 3 – 8 channel EEG, up to 12 Lead ECG: https://www.iworx.com/documents/technotes/IWIRE-ECG12.pdf iWorx ECG software for 3 – 12 ECG leads: ECG Solutions iWorx API Matlab toolbox for cardiovascular signal processing Papers which use the iWorx TA220: The TA220 has also been used for respiratory rate estimation: