GB/T 31983.31-2017
低压窄带电力线通信 第31部分:窄带正交频分复用电力线通信 物理层规范
Narrow band power line communication over low-voltage mains—Part 31:Narrow band orthogonal frequency division multiplexing power line—Communication physical layer specification
GBT31983.31-2017, GB31983.31-2017