Countless new devices were announced last week, few of which are yet available, to run on all the faster networks. AT&T said it plans to launch 20 new 4G devices this year, with the first appearing in March. One of the new phones is the Motorola Atrix, which runs on HSPA+. that looks like a laptop but has no CPU.

that will run on its LTE network, including one of the first tablets to run the Honeycomb version of Google's Android operating system. That tablet, the Xoom, will come from Motorola. The first version will run on Verizon's 3G network, but buyers will be eligible for a hardware upgrade later that will make it compatible with the LTE network. Verizon isn't yet explaining the logistics of such a hardware upgrade.

The IDG News Service