You can read a full review of that Cradlepoint router here:
http://www.evdoinfo.com/content/view/2124/63/
The CTR350 is very small and compact and easy to travel with - as you can see from the pictures in the review. It does allow you to share an EVDO connection with up to 16 computers simultaneously.
If you want to read about other people's experience with this router, you can read some threads at
http://www.evdoforums.com
And if you have any questions about this router, or any others to use with your Mogul, you can contact the EVDO experts at
http://3gstore.com