Hayes AT command set - Wikipedia
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en.wikipedia.org
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Feb 19
The Hayes command set, also known as the AT command set, is a command language developed in 1981 for the Hayes Smartmodem, initially designed for 300 bit/s modems. It consists of short text strings th
Letting prisons jam contraband phones is a bad idea, phone companies tell FCC
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arstechnica.com
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Jan 9
The FCC's proposal to allow prisons to jam contraband cell phones faces significant opposition from wireless carriers and advocacy groups, who argue that it would disrupt all communications, including