The MegaNet (メガネット, meganetto) or Megalopolis Radio Network (メガロポリス・ネットワーク, megaroporisu nettowāku) is Japan's only network of multi-lingual commercial radio stations. The network was established in December 1999. Currently all such stations are members of the network. The flagship station is InterFM in Tokyo. They all broadcast in FM. It is the latest network, third national FM network and the fifth in radio in general in Japan.