In the alarm industry, the biggest companies, like ADT, seem to be coping best with the challenge of meeting the sunset date set by AT&T.In its statement to the government, AT&T cited comments that the chief executive of ADT made to Wall Street analysts, saying the company was “on track” with conversions from 3G. Of its 2.9 million alarm systems needing upgrades, about 800,000 remain. But in a standard quarterly filing with the government, the company warned that the pace of its upgrade program could change depending on Covid trends and access to customer sites.ADT has the buying …
