100% Free Wireless Internet w/ SuperNova 4G LTE / 3G Hotspot – FreedomPop $29.99 (refurb) free shipping from NewEgg

http://www.newegg.com/Product/Pro…6875890085
100% Free Basic Plan: 500MB 4G data per month
2GB 4G / 3G Data: $19.99/mo
No contract
Connect up to 8 devices
*not 100% free as title suggest as you need to pay for the device