Access control systems and components thereof, comprising of wireless and/or wired controls, namely radio controls for garage doors, warehouse entrance doors or gates, automatic garage door openers, lights, motors, antennas, transmitters, receivers, and controllers responding thereto and used in such systems; electronic equipment, namely, a photoelectric sensor for sensing obstructions and for controlling garage doors, warehouse entrance doors or gates, entrances and/or gates; electronic access control devices, namely, electronic controllers for granting access and egress through doors and gates; radio receivers; radio transmitters; keypads and card readers; a centralized automated system comprising a programmable electrical controller, power line carrier modules, and one or more control modules or control receptacles, for controlling audio equipment, lighting, and other appliances; access control systems comprising speakers, microphones, computer memory for storing telephone numbers and corresponding code numbers, or any other related access control information, electric luminescent display panels and liquid crystal display panels, and display, keypads, autodialers, gate/lock control circuitry and vandal resistant housings, for establishing communication between persons in a secured location and persons desiring to enter the secured location through a locked gate or door