Photos: Apple unveils new iPad

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SAN FRANCISCO (AP) -- Apple's new iPad goes on sale March 16. For the first time, the iPad will be able to access the faster 4G cellular networks.

Prices aren't changing from previous models.

They'll start at $499.

Versions capable of accessing cellular networks will cost $629 to $829.

Apple says the new display will be even sharper than a high-definition TV, and the device will be four times faster.

It's also a little thicker and heavier than the iPad 2 because it has a bigger, more powerful battery.

CEO Tim Cook says the company is "redefining the category that Apple created with the original iPad."