Distribution of broadcast signals through cable relay systems. Narrow-band systems were originally used to deliver services to areas with poor regular reception; systems with wider bands, using coaxial and fibreoptic cable, are increasingly used for distribution and development of home-based telephone and television services.
White was added to the flag to identify Bahrain as a friendly state. Red was the traditional colour of the Kharijite Sect. In 2002 the number of serrations were reduced to five, possibly representing the five pillars of Islam. Effective date: 19 August 1972.