As more power-line products move into the marketplace, the competition becomes intense for this technology's sweet spot, a coveted frequency range from 2 to 30 MHz that promotes optimal performance.
AT&T is scheduled Tuesday to turn off its 3G cellular network. T-Mobile is scheduled to turn its off on July 1, 2022, and Verizon is slated to follow suit on Dec. 31, 2022. So why are the ...