A device is provided for use with a wireless local area network communication device and with a video display. The device includes a receiver, an image decoder, an emergency alert system (EAS) decoder, an output port, a warning generator and a LAN transceiver. The receiver receives input data including image data and EAS data. The image decoder decodes the image data into image display data. The EAS decoder decodes the EAS data into emergency alert data. The output port outputs the image display data to the video display to display a video image. The warning generator generates a warning signal based on the emergency alert data. The LAN transceiver transmits a warning transmission to the wireless local area network communication device over a local area network so as to modify operation of the wireless local area network communication device, wherein the warning transmission is based on the warning signal.