A Wireless Avionics Intra-Communication, WAIC, system comprising: a communication network configured to exchange data with a portable wireless device; a WAIC adapter location system comprising a light controller configured to generate an identification, ID, pattern and to drive at least one light emitting device to emit light pulses according to the ID pattern; and a portable WAIC adapter configured to physically connected or disconnect to and from a portable electronic device, the portable WAIC configured to selectively establish signal connection with a communication network when the WAIC adapter is at location that receives the light pulses; wherein the WAIC adapter location system is configured to determine a location of the WAIC adapter based at least in part on the ID pattern; and wherein the WAIC adapter comprises: a location controller including a memory configured to store a secondary ID pattern and the location controller is configured to determine the ID pattern indicated by the light pulses of the emitted light; and a WAIC circuit configured to selectively establish signal communication with the communication network based on the ID pattern; wherein the location controller activates the WAIC circuit in response to detecting a match between the determined ID pattern and the secondary ID pattern, and wherein the light controller generates a plurality of individual ID patterns that are stored in the memory unit of the light controller, each individual ID pattern corresponding to a different area of an aircraft cabin supported by the communication network. a communication network configured to exchange data with a portable wireless device; a WAIC adapter location system comprising a light controller configured to generate an identification, ID, pattern and to drive at least one light emitting device to emit light pulses according to the ID pattern; and a portable WAIC adapter configured to physically connected or disconnect to and from a portable electronic device, the portable WAIC configured to selectively establish signal connection with a communication network when the WAIC adapter is at location that receives the light pulses; wherein the WAIC adapter location system is configured to determine a location of the WAIC adapter based at least in part on the ID pattern; and wherein the WAIC adapter comprises: a location controller including a memory configured to store a secondary ID pattern and the location controller is configured to determine the ID pattern indicated by the light pulses of the emitted light; and a WAIC circuit configured to selectively establish signal communication with the communication network based on the ID pattern; wherein the location controller activates the WAIC circuit in response to detecting a match between the determined ID pattern and the secondary ID pattern, and wherein the light controller generates a plurality of individual ID patterns that are stored in the memory unit of the light controller, each individual ID pattern corresponding to a different area of an aircraft cabin supported by the communication network. a location controller including a memory configured to store a secondary ID pattern and the location controller is configured to determine the ID pattern indicated by the light pulses of the emitted light; and a WAIC circuit configured to selectively establish signal communication with the communication network based on the ID pattern; wherein the location controller activates the WAIC circuit in response to detecting a match between the determined ID pattern and the secondary ID pattern, and wherein the light controller generates a plurality of individual ID patterns that are stored in the memory unit of the light controller, each individual ID pattern corresponding to a different area of an aircraft cabin supported by the communication network. <EOS>