Nine things you need to know about 4G networks

CLICK to read article by Howard Wolinsky | Appolicious ™ iPad and iPhone App Directory

"Imagine having a mobile phone that matches what you can do on your home PC or laptop. That’s the power of 4G - the term for fourth generation mobile service - which was rolled out by Sprint (S) earlier this year and will soon be available for Verizon (VZ) subscribers. Here are the most important things you need to know about 4G.

1. It’s fast. Sprint, the first mover in the 4G market, says its 4G is up to 10 times faster than 3G, which was introduced eight years ago. Sprint promises peak downloads of more than 10 Mbps (megabits per second), with average downloads of three to six Mbps. Verizon announced on October 6 that it plans in the fourth quarter to launch its 4G LTE (Long Term Evolution) network with downloads to range between 5 to 12 Mbps.

A closer look at the numbers, however, reveals that 4G speeds may vary. Sprint says that 4G can be 10 times faster than 3G. But read the fine print in Sprint’s promotional material: Sprint bases this claim on speed comparison between 3G’s low-end 600 kilobits per second (Kbps) vs. 4G’s max 6Mbps. Sprint notes that 3G can reach 1.7 Mbps, while 4G may drop down to 3 Mbps. So that’s less than twice as fast. We will know more specifics about Verizon’s network in the weeks ahead as it rolls out its service.

2. Regardless of how much faster 4G might be, the increased connection speed lets you do more things with your phone. Early users are already enjoying features like uninterrupted video conferencing, high-definition television streaming and of course lightning fast web surfing that smartphones on 3G networks are unable to provide. Power business users and other early adopters of the new technology who experience 4G will never want to go back.

3. Casual users mostly interested in talking, texting and occasional web surfing on their cell phones don’t need to rush into buying a 4G-enabled phone (and it is not possible to upgrade existing 3G models to the new network.) Even if you are ready to buy a phone and wanted to upgrade to 4G, the network is not available in all parts of the country (see below). It will take years for 4G to roll out into every rural area, and residents of big cities could get shut out due to big restrictions on new cell phone towers.

4. You can easily find out if 4G is available in your area. Sprint says its 4G network reaches more than 268 million people in 50 markets in the United States “and counting.” To see whether 4G is available in your hometown, go here.

Verizon says its 4G LTE network initially will cover 100 million people in 38 markets by the end of 2010. The first markets with access to Verizon’s 4G network include Boston, New York, Washington D.C., Chicago, Miami, Atlanta, Dallas, Los Angeles, San Diego and San Francisco. Below is a full coverage map for Verizon's 4G Network:

Current and would-be iPhone owners dissatisfied with AT&T's (T) network would of course love the rumors of an upcoming Verizon iPhone to be true.

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