EST IV is the final course in the Electronic Systems Technician Registered Apprenticeship program and covers telecommunication systems, residential and commercial building networks, intrusion detection systems, nurse call and signaling systems, fire alarm systems, closed circuit TV systems, and access control systems. Students are provided with the opportunity to earn a CEDIA CIT certification prior to completion. This course satisfies requirements toward the State of Delaware Electronic Systems Technician Apprenticeship Related Training.