Recently, at a Radio Shack store at the telephone accessories section,
> I noticed that telephone extension cords were available in lengths up
> to 25 feet (but I didn't notice any that were longer). Is that
> because 25 feet is the longest you can go before there's a significant
> loss of signal strength?
> And what about people who access the internet via 56K dial-up? For
> them, how long can the extension cord be and still have "clean"
> transmission for error-free downloads?
I'm not sure what the official specs are, and I'm much too lazy to look 'em up, but my girlfriend has 2x50' cables connected back to back and I can get a stable 50Kb connection.
In message TELECOM Digest Editor noted in response to wylbur37 :
[TELECOM Digest Editor's Note: I do not know what the rule is -- if
> any -- regarding the length of cords, but I do not think it has to
> do with any signal degradation; after all, you might be _miles_ from
> the central office building, or in the case of a DSL connection, up
> to several thousand feet. PAT]
True -- However, that cable will typically be better quality copper then your average Radio Shack crap. That being said, 50'-100' isn't usually a problem.