ORIGIN OF STS
- Historically in electricity pre-payment, the focus of specification and standardization by UTILITIES was on the Energy Meter(EM), rather than on the vending system(VS) and infrastructure required to support the EM.
- Typically the specification and development of VS was left to the various EM manufacturers. As a result, different VS were developed and these were not usually compatible with each other.
- Advancements in computer networks and Distributed Systems has lead to the evolvement of legacy EM’s through Automated Meter Reading(AMR) and Advanced Metering Infrastructure(AMI) into state of the art Smart Metering Systems..
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STS Electrical Energy Meter With Two-Way Communications Capability Over GSM Network
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