Aspects and embodiments of the present disclosure provide devices and methods for biometric authentication of a user during access control transactions. In one aspect, an access control processor device, comprising a biometric input sensor configured to receive user biometric information; a biometric verification processor configured to authenticate the input user biometric information; and a communication element configured to activate when the biometric information entered into the biometric verification system is authenticated and maintain an inactive status for the communication element on the payment processor device when the biometric information entered into the biometric verification system is not authenticated.