A System and method for communicating with a plurality of mobile devices from a single transmitter

A plurality of mobile devices 11, possibly belonging to audience members at a performance, which monitor the identification data of a wireless transmitter 12 using a software program or an application 10, whereby detecting a modification in the data, they perform a predetermined function, which may be: displaying a colour or image or sequence; output audio tone or clip; set a torch on, off or flashing; activate a vibrating mechanism. The mobile device 11 may require further input (such as light, sound or physical input such as shaking or waving), before the mobile device 11 performs the predetermined function. The identification data may contain a compressed or encrypted control commands in an SSID of a WiFi (RTM) access point 12 or advertising data of a Bluetooth (RTM) Low-energy (BT LE) peripheral or beacon 12. The control commands may have verification and recognition features for the mobile devices 11 to validate them before performing the function. The transmission parameters of the ...