This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
GSM. GSM Logo svg GSM mobile telephony logo Found at parrot biz php subtheme logos press section of website Logo of royaltyfree international standard thus fair use for identification GSM Commons Epiovesan Other versions GSMLogo Mobile phones Logos of companies associated with telecommunications GSM Standard