Designed to specify secure PLC at data rates up to 500kbps and at transmission frequencies of less than 500kHz for applications, IEEE 1901.2 addresses low-frequency, narrowband PLC over low-voltage lines of less than 1000V between transformer and meter, through transformer low-voltage to medium-voltage (1000V up to 72kV) and through transformer medium-voltage to low-voltage power lines in both urban and in long-distance (multi-kilometer) rural communications.
Will achieved this standard the technical conditions for taking off smart grids communications by Power Lines with the properly Quality of Service (QoS)?
http://www.smartgridelectronics.net/2013/11/ieee-approves-standard-supporting-low-frequency-narrowband-plc-smart-grid/
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