4 ms·
GSM cell's can be up to 40 km after which the problem becomes the timing (and 70 with extended cells). With cell's overhead, 20 km should be oke.
by PanMan 12y ago
GSM cell's can be up to 40 km after which the problem becomes the timing (and 70 with extended cells). With cell's overhead, 20 km should be oke.