First I'm fortunate to live in a Rev. A community, San Diego. And as Sprint rolls out more markets the usefulness of the EvDO USB modem from Novatel Wireless, the U720 will only increase.
With that, my first impressions are:
1) It works great for reading web pages
2) Is solid for sending and receiving email
3) Provides the kind of stability you need to have to maintain an uninterrupted Instant Messaging Presence
4) Speeds have been at just under 900k for download and under 800k for uploads on a test done indoors.
What I have not tried yet are:
1) VoIP calls
2) Video conferencing
3) Web conferencing
A smooth and broadband like experiences with those three application types for me, and for many nomadic types is essential. If the cards and the new Rev. A networks can't deliver a low latency, jitter and packet loss environment, then all the companies involved from Qualcomm, Sprint, Novatel, Lucent etc. on down, who make up the technology chain that delivers the experience will have failed. We're at 3G now and the throughput is there to support those two way, interactive, circuit switched world replacement technologies.
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