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Originally Posted by OinkyBoinky
wot exactly are good levels ? (number wise)
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Downstream Signal To Noise Ratio - 30db or above
Will probably stop working below 24db.
Downstream Received Power Level -
NTL Area ideal world - +/- 2.5 dbmv
Ex Cable & Wireless - -6 to -3 dbmv
Upstream - +8 to +58 dbmv
Taken from the gurus page found
here