... we used are Rohns compliant 3.Our engineer will work with customers and reommend specail constrution design to meet customer's ... types of assembly,such as membrane switch and touch screen with FPC, PCB ,silicone rubber ,metal backer ,plastic bezel and so ... : 20G, max (10~200Hz,Mil-SLD-202,M204.Condition B) Push Button Membrane Switch with Gradient color