Hi Ronni

Thanks for your detailed explanation.  But it then raises the question of why 
is the old Mac using 2.4GHz?   Your explanation suggests that the system 
chooses the best band automatically but your earlier email asked me why I was 
using 2.4 and inferred 5 GHz is better.  I will read your explanation of TC 
more carefully, but I am confused.

Cheers
Alan

Sent from my iPad

On 25/05/2013, at 7:28 AM, Ronda Brown <[email protected]> wrote:

> Hi Alan,
> 
> Daniel would have created/setup for you a Airport Time Capsule "Simultaneous 
> dual-band Wi-Fi Network" for maximum range and compatibility. This Wireless 
> Network works simultaneously on both the 2.4GHz and 5GHz bands.
> 
> What that means is: 
>  WiFi is turned ON all your computers & devices they will all automatically 
> connect to the Wireless Network's correct Band simultaneously.
> 
> That is: Your iMacs & iPad will automatically connect to the 5GHz Band; your 
> iPhone will connect to the 2.4GHz band of the Dual-Band Wireless Network. All 
> on the same Network... One Network. 
> 
> On my Website I explain a Simultaneous Dual-Band 802.11n Wi-Fi Base Station 
> and a tutorial how to. 
> <http://ronnibrown.net/tutorials/simultaneous-dual-band/index.html>
> 
> /Quote from my web page:
> Simultaneous Dual-Band 802.11n Wi-Fi Base Station.
> 
> Some Wi-Fi devices use the 2.4GHz wireless band, including iPhone, iPod 
> touch, and devices using 802.11b/g.
> 
> Other devices can use either 2.4GHz or the higher-speed 5GHz band, such as 
> the latest 802.11n-based Mac computers and Apple TV and iPad.
> 
> Instead of choosing one of the bands, AirPort Extreme and Time Capsule now 
> operates simultaneously on both bands, and your multi-band devices 
> automatically use the best available band.
> 
> This means all your Wi-Fi devices get the fastest possible wireless 
> performance and the best possible range.
> 
> /End quote from my web page:
> 
> I hope that explains your Network more clearly to you.
> 
> Cheers,
> 
> Ronni
> 
> Sent from Ronni's iPad4
> 
> On 24/05/2013, at 11:24 PM, Daniel Kerr <[email protected]> wrote:
> 
>> You don't set up…the Time Capsule - it should already be Dual Band,..hence 
>> it is already working with both the 2.4GHz and 5GHz range,….
>> 
>> So really no "should" needed,….it was working in both the 2.4Ghz and 5GHz 
>> range when I was there…..
>> 
>> Kind regards
>> Daniel
>> ---
>> Daniel Kerr
>> MacWizardry
>> 
>> Phone: 0414 795 960
>> Email: <daniel AT macwizardry.com.au>
>> Web:   <http://www.macwizardry.com.au>
>> 
>> 
>> **For everything Apple**
>> 
>> On 24/05/2013, at 10:59 PM, Alan Smith <[email protected]> wrote:
>> 
>>> Perhaps Daniel "should" have  changed it to 5 GHz when he set up the TC
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