An End Node [9] (Ni with i > 1) is composed of:
• Device that performs data acquisition and control
• Radio Node which is a Spread Spectrum 900 MHz wireless device running a mesh protocol supporting addressable two-way communication.
• Software/hardware interface between the meter and the Radio Module.
• Local test communication port to support End Node programming and testing during production, meter production line installation, meter shop retrofit installation and field test during initial install and for life cycle maintenance.