ADSL2 and ADSL2+ frequencies.
<a href="//commons.wikimedia.org/wiki/User:Vlastik" title="User:Vlastik">Vlastik</a>
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<a href="//commons.wikimedia.org/wiki/File:ADSL2_frequencies.png" title="File:ADSL2 frequencies.png">File:ADSL2_frequencies.png</a>