yep, you can buy signal blockers, they use them around prisons in nz and in some movie theaters overseas etc
Type: Posts; User: gonetropo
yep, you can buy signal blockers, they use them around prisons in nz and in some movie theaters overseas etc
GPS is basically a set of satellites that operate a very accurate clock. when your receiver receives signal it locates you by the time differential between the satellites
but..........to transmit...