Just to confirm: this will / does require the phone to be capable of transmitting a stronger signal, therefore needing a hardware upgrade? After some googling:

Just to confirm: this will / does require the phone to be capable of transmitting a stronger signal, therefore needing a hardware upgrade? After some googling: yes, there are / will be external comm devices and some future chipsets will support this functionality. Qualcomm, Motorola, and Iphone. Initially for messaging only, but still a gamechanger in many ways.