Bull***
""It was suspected by the pilot that 2.4 GHz jamming devices were being operated by some of the companies at the distribution centre to prevent staff from using mobile telephones,""
Don't go for that - 2.4 GHz will not stop people using their mobile phones and a company would not want to also jam up their office and warehouse Wi-Fi.
2.4 GHz on a lorry designed to confuse the GPS tracking systems, that operators spy on their staff with, is more likely - or pilot error!
Biting the hand that feeds IT
