Looking for dual-band option in Time Capsule

I read with great interest the on-line article in Macworld that described the improvements with this week's AirPort updates because I run two access points in tandem: An old Linksys 802.11g device for my "legacy" systems, and an Apple Time Casule (configured to 802.11n at 5 GHz) for my newer systems. So I immediately updated the AirPort software in my 5-month old Time Capsule and the AirPort utility on my Mac so I can use the Time Capsule in dual-band (simultaneous 2.4 and 5GHz) mode so I can simplify my network and honorably retire the Linksys.
To my surprise, I find that, after updating, there is no difference in the configuration options for my Time Capsule; I seem to be limited to EITHER 2.4 GHz or 5 GHz operation. Is there a setting that I'm just not seeing?
If anyone could shed some light, or provide a "how to guide," I would be most grateful.
Thank you.
Message was edited by: Steve Davidson

Sorry, Simultaneous Dual-Band is an option available only to the new hardware (SKU MB763LL, 764LL,765LL).

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Hello KristenLC. Welcome to the Apple Discussions!
There are a number of things to take into consideration when "designing" a network. One of them is the bandwidth requirements of the network clients. Staying with this topic and based on your hardware: the MacBook Pro (Time Machine backups), LG player (Video streaming), & TiVo (Video streaming) will all require the most bandwidth. Streaming audio to the AirPort Express Base Stations (AXn) would most likely be the next in line for bandwidth. The iPhone, Wii, and iBook would probably require the least.
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3) Connect the LG, either by Ethernet or 5 GHz 802.11n, to either the TC or AEBSn.
4) Similarly, connect the TiVo, either by Ethernet or 5 GHz 802.11n, to either the TC or AEBSn.
5) Join both AXn to either the TC or AEBSn by 5 GHz 802.11n.
6) Connect the iBook, either by Ethernet or 2.4 GHz 802.11g to the TC.
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8) Connect the Wii, either by Ethernet or 5 GHz 802.11n, to either the TC or AEBSn.
Can someone point me to documentation that will help me understand my choices and possibilities, not just the technical how-to?
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One step forward, one step back.
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Hi
Hi,
My plan is to have a complete new efficient and flexible set up. I have decided to buy the new Macbook 13inch Pro with 16MB Ram and 3.1 Ghz i7 processor with 256GB glash drive.
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