Chobbes, 8 months ago I doubt that Bluetooth and wifi antennas on phones are going to be great at long distances. Text is going to be a much better bet as it needs less bandwidth and doesn’t have to be received in real time (so you can store and remit messages later).
I doubt that Bluetooth and wifi antennas on phones are going to be great at long distances. Text is going to be a much better bet as it needs less bandwidth and doesn’t have to be received in real time (so you can store and remit messages later).