SwirlySMS free for iPad 3G is a free app from SwirlySpace giving you full native SMS capabilities. With it you can send and receive native SMSes on your iPad 3G to & from any normal cell phone. Multipart/concatenated SMSes are of course supported.

Read all about the SwirlySpace messaging apps at swirlyspace.com

See more SwirlySpace products, with commercial versions:
Visit SwirlySMS for iPad 3G

And SwirlyMessage for iPad 3G

See More Info below for Screenshots