[OT] Wireless Distance in Apartment

[James Knott]

John McGregor wrote:
> Stephen wrote:
>>
>> I am wondering what they have in the walls in my building.
>>
> Steel rebar (anode) is used to reinforce concrete and in older buildings
> can be found not only in the floors but also in the walls. Rebar is
> sprayed with zinc (cathode) to prevent corrosion. The resulting electric
> current can and often does interfere with wireless signal transmission.

I think you've got that a bit mixed up.  The zinc becomes a sacrificial 
anode, which then protects the steel from corrosion.
http://en.wikipedia.org/wiki/Sacrificial_anode

Also, where is this current flowing?  There has to be some circuit for 
current to flow.  Also, any current flow resulting from this should be 
direct current and not something anywhere near 2.4 GHz.

> 
> If the walls in your apartment are plaster over concrete (as opposed to
> drywall over framing) then the conditions above probably reflect your
> situation and your best bet is going to be a wired connection between
> your router and your game console.
> 
> John
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