1&1 AG provides telecommunication services. Its services include postpaid and prepaid, as well as landline and DSL products and related applications such as home networking, online storage, telephony, video on demand, and other. The firm operates through the following brands: 1&1, yourfone, smartmobil.de, maXXim, simply, helloMobil, McSIM, Phonex, sim.de, eteleon, discoTEL, discoPLUS, discoSURF, DeutschlandSIM, winSIM, PremiumSIM, M2M-Mobil, and GTCom. It operates through the following segments: Access, 5G, and Miscellaneous. The Access segment consists of wireless access and landline products, including the related applications such as home networks, online storage, telephony, video on demand or IPTV. The 5G segment consists of expenses and income relating to the preparation and conduct of the 5G frequency auction. The Miscellaneous segment comprises essentially all the activities related to the offering of custom software solutions and of maintenance and support services. The company was founded in 1997 and is headquartered in Maintal, Germany.