Spec Sheet Preview: The Nexa GB2 series St. Steel push button modules are designed to be used with the Alpha Communications® / Golmar™ GB2 modular series door entry stations. There are several configurations available from one (1) to ten (10) push buttons per module, in both single and double button rows. All Nexa GB2 series St. Steel push buttons feature Metal Pushbuttons, Nameholders and back-lit LED illumination. All Nexa GB2 series St. Steel push button modules are made to snap into the NX6001, NX6002 …