Radio Kaikan is a building that appeared many times in Steins;Gate. Model of the building when it was broadcast in 2011, was demolished because of aging, now became a new building. Radio Kaikan that appeared in was broadcast 23 episodes (modified version) in 2015, it is a new building model.

JR Akihabara Station is also close from Tokyo Station, Radio Kaikan also have accessible location away from the station of the 1-minute walk away. You will go to Akihabara If you like Steins;Gate!