Data card terminal for receiving authorizations from remote loca

Data circuit-terminating equipment with power source device

Data collection and system management for patient-worn...

Data collection network apparatus and method

Data collection system

Data collection system

Data communicating apparatus having user notification capability

Data communicating apparatus which selects analog or digital com

Data communication apparatus

Data communication apparatus

Data communication apparatus

Data communication apparatus

Data communication apparatus

Data communication apparatus

Data communication apparatus

Data communication apparatus

Data communication apparatus

Data communication apparatus

Data communication apparatus

Data communication apparatus