The EM101-4 was developed to meet the changing requirements of worldwide utility markets. It benefits from modern technology and up-to-date manufacturing techniques resulting in low power losses, high reliability and more flexibility. The EM101-4 benefits from the RFID technology which allows a two-way communication path between the utility company and the consumer. Various forms of information and data can be exchanged securely via the RFID card(s) including but not limited to customer data, meter configuration and monthly consumption. EM101-4 can accommodate different forms of customer billing methods.