Spec Sheet Preview: The RTM push button modules are designed to be used with the Alpha Communications® / S.T.R.™ modular series door entry stations. There are four (4) configurations available from one (1) to four (4) push buttons per module. All RTM push buttons feature LED illumination and plug-in connector for easy wiring and maintenance. All RTM push button modules are 3.94"w x 3.94"h (100mm x 100mm), and are made to snap into the MT series modular panel trim frame(s). To service …