Do not operate the AirCard 402 device in any aircraft, whether the aircraft is on the ground or in flight. In aircraft, the AirCard 402 device MUST BE POWERED OFF. When operating, it can transmit signals that could interfere with various onboard systems.
The driver or operator of any vehicle should not operate the AirCard 402 device while in control of a vehicle. Doing so will detract from the driver or operator's control and operation of that vehicle. In some jurisdictions, operating such communications devices while in control of a vehicle is an offense.