FunDo mobile phones have coverage on airplanes?

Do mobile phones have coverage on airplanes?

Communication between mobiles uses the digital communication system GSM. It consists of a terrestrial network of base stations that transmit in all directions and frequencies. To optimize the performance of the antennas, the technicians concentrate their power towards a certain sector, which is not usually the vertical of the station. That is why there is no coverage on airplanes in flight, except – and not always – during taxiing, approach, takeoff and landing maneuvers. This does not mean that the ship is isolated by telephone, as it has satellite telephony.

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