An approach is provided for devices and methods for using high efficiency ballasted lamps with an electronic transformer, especially for the replacement of traditional halogen lamps from the existing fixtures. The communication device is instantly set to the transmitter disabling mode in automatic response to the initiation of use of an earphone or camera function and kept in the transmitter disabling mode even if the earphone or camera function enters an out of use condition. Each nest has two or more levels of beds sized to hold tablets of different sizes or shapes.