Look into Ting if all you want is a backup OOB path: https://ting.com/rates?ab=1
$6/month per active SIM card. Plus billing for actual data usage. Use it in your choice of HSPA+/LTE modem equipment. They're an MVNO using, if I remember right, a combination of T-Mobile and Sprint. On Wed, Apr 20, 2016 at 11:16 AM, Dovid Bender <do...@telecurve.com> wrote: > A while ago some people mentioned that some US carriers have basic internet > plans for backup access to their equipment. A few questions: > 1) Do they give you a public IP per connection or do you tunnel back to a > central location and then connect via the tunnel? > 2) Which carriers offer this and what kind of devices do you use to > connect? Is it simply a GSM card on a "MyFi" like device? We have lots of > Pi's out there that we want backup access to. > 3) Can you send off list contacts and pricing that you have gotten in the > past? > > TIA. > > Dovid >