Most offer it, but depending on the phone company you will pay extra.
If she's using Verizon she can get a jet pack for free, with a small contract. Just scream a little and they give it away
http://www.verizonwireless.com/inter...ck-mifi-6620l/
Might be cheaper and more flexible with a 2nd device
Btw, she could get the jet pack, even if she's with another company