UDA – Universal Duplexer - Add two AMR-AMI Devices to one Encoder Water MeterDuplexer allows connecting two AMR or AMI devices to a single encoder output meter. Can be used where one meter controls water sold from one utility to another on a backup water supply, but both utilities have different AMR or AMI reading systems. Can be used where a utility provides a meter for a submeter customer and the submeter customer wants to read electronically with their own AMR, AMI or Remote display system without easy access to the actual