if i had a 3g net sim that works on a aircard . can i use the same net sim card in a 3g telephone only to look the internet and not making telephone calls just internet . thankyou

Short answer, yes.

Slightly longer answer, yes, but only if your phone supports the frequency band of your sim provider (if your phone is quadband UMTS it will work, if it's dual band it will work on some providers and not others).