I wonder if this gets around tethering issues/fees/etc.
Link: http://www.connectionpros.com/zyxel-mwr211-11n-compatible-portable-wi-fi-router (via shareaholic.com)
The Pocket Router that called The Zyxel MWR211 at the picture above is a 11n-compatible portable Wi-Fi router that allows users get Internet access anytime and anywhere. With this palm-sized portable router, you can share your 3G modem and data plan with multiple devices via Wi-Fi connectivity. As a portable device, the Zyxel MWR211 comes with a rechargeable battery that provides up to 4-hour of standby time or up to 2-hour of operation time. In addition, the MWR211 can also be used to share a traditional wired broadband connection.