Originally Posted by
nmenaker
All these devices use gps to assign location. For E911 but I believe also so that they cannot be used outside a specific continental area. Without a gps lock they don't work.
Some people have spoofed the gps and routed through a VPN in order to use the att microcells in Mexico. But, that is quite a PIA just for that.
They also broadcast the appropriate frequency for a particular market based on the GPS location.