 allowed values of the Protocol field of the IPv4 header or Next Header field of the IPv6 header, and port numbers. The mobile uses this information to make network selection decisions. The mobile determines whether the allowed values are compatible with the characteristics of the application. 10.2.2.10. Operating Class Indication element The information element Operating Class Indication provides information about the radio channels and frequency bands used by the access point. 198 Wi-Fi Integration to the 4G Mobile Network The mobile uses this information to make network selection decisions. If the mobile supports the 2.4 and 5 GHz frequency bands, and if these two frequency bands are available at the access point, then the mobile will select the 5 GHz band. 10.2.2.11. Network Authentication Type element The information element Network Authentication Type provides a list of authentication types: - the network requires the user to accept the terms and conditions; - the network supports online registration; - the network infrastructure performs HTTP/HTTPS redirection; - the network supports a DNS redirection. 10.2.2.12. OSU Providers List element The information element OSU Providers List contains a list of entities that offer an online registration service. The information element OSU Providers List provides a list of available icons that can be displayed by the mobile. This list contains the definition of the image, the image type, the language and the name of the file. This information allows the mobile to determine the icon to download and the file name of the icon to recover. 10.2.2.13. Icon Request & Response element The information element Icon Request & Response allows the mobile to send a request containing the file name of the icon and allows the access point to return the answer containing the download status code, the length of the type of icon, data length and binary icon data. 10.2.2.14. HS Query List element The information element HS Query List is transmitted by the mobile to obtain information si