Bet you $100 this doesn't make it, even if it's cheap and reliable. Having user-controlled hardware in cell phones will give Phone Companies the willies. Also makes FBI/NSA surveillance much harder.
This hardware will make it to market, but mysteriously, the FCC will drag its feet on any certification, VZW and at&t will take a long time looking into supporting it, and ultimately, it will Be Out of Their Hands, They Just Can't Support It.
This hardware will make it to market, but mysteriously, the FCC will drag its feet on any certification, VZW and at&t will take a long time looking into supporting it, and ultimately, it will Be Out of Their Hands, They Just Can't Support It.