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- Fri Dec 03, 2010 4:45 am
- Forum: SmartNAV General
- Topic: Smartnav 3 AT owner looking to upgrade
- Replies: 1
- Views: 1559
<t>I am currently a Smartnav 3 AT owner and have the dwell clicking and virtual keyboard software. Is it necessary to shell out an extra hundred bucks for the Smartnav 4 AT when I already own the assistive technology software? Has it been upgraded somehow? Are there any other differences between AT ...