Among many rumors/details that have surfaced about the iPad 3 lately, one detail seems to be a sure thing. The Wall Street Journal is reporting that Apple’s next iPad will have 4G LTE support day one on both Verizon and AT&T.

In addition to the latest detail, rumor has it that the new iPad will be announced on March 7th along with a 2048×1536 Retina display, and feature a quad-core Apple A6 system-on-a-chip.

As usual, take these details/rumors with a grain of salt. We will keep you updated as new iPad 3 news breaks.