For a while I had my wireless router and a separate wireless access
point (wired into the router) both set up with different SSIDs on
different channels.  This gave me good coverage in the house, but
wasn't as transparent as I wanted it to be for everyone in the
household - there were the occasional questions from younger family
members about why their internet wasn't working - a result of their
laptops trying to connect to an SSID that was out of range.

I wanted a setup similar to the wireless environment where I work - one
SSID and one set of security settings, which work wherever I am on the
campus.  I did a fair amount of experimenting, and have finally settled
on giving both wireless access points the *SAME SSID AND CHANNEL NUMBER*
(and security/password settings).  I'm not convinced it is totally
correct to use the same channel number, as there is much conflicting
advice on the internet (perhaps I'm just contributing to it!), but it
seems to work well for me.  I used iStumbler (on my MacBook) to find a
suitable channel number with the lowest interference everywhere in the
house.  This turned out NOT to be the default channel number, which
various of my neighbours seem to be using.

With this setup, each roaming device in the household only needs to
know about one SSID.  When it is booted up it will connect to the
strongest AP signal.

Since the Boom is inevitably powered down when moved between locations
(due to the mains requirement), when it boots up it finds the best AP. 
For true roaming devices, I have an iPhone, which is analagous to your
SBC in this case, and it roams between the APs fairly well.  Very
occasionally it seems to hang on to the weaker signal when it would be
better to swap to the nearer AP, but quickly toggling the WiFi on and
off cures that.


-- 
chill
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chill's Profile: http://forums.slimdevices.com/member.php?userid=10839
View this thread: http://forums.slimdevices.com/showthread.php?t=62467

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