The Société Française du Radiotéléphone (SFR) is a major telecommunications company in France, providing mobile and internet services. Founded in 1987, it has grown to become one of the largest mobile network operators in the country, offering a range of services including voice, data, and television. SFR is part of the larger group Altice Europe, which operates in several countries. The company has invested heavily in expanding its network infrastructure, including the rollout of 4G and 5G technologies, to enhance connectivity for its customers across France.