Mobile 10-Channel Wireless EEG Headset. The B-Alert AT10 is the premiere solution for mobile EEG applications, delivering a balance of functionality and simplicity. The 9-channel combination of mid-line and lateral EEG sites allows for multiple analysis opportunities to meet the needs of researchers across many fields. Nine channels of high-quality EEG, plus 1 optional channel for ECG, EMG, or EOG (10 Channels @ 256Hz). Typically used for HR+HRV.