The mini FM broadcasting station is a small broadcasting station that used a slight electric wave within the range restricted by Radio Law.
 

It is a FM broadcasting station small as shown in the name. There are
neither a troublesome license nor application needing to broadcast by a slight electric wave at all. Everyone can freely open small radio station as long as there is easy machine parts.

Music and the program of a favorite content can be freely broadcast, and it is possible to listen to a usual FM radio (radio-cassette/ component/car stereo) etc. though the range where it is possible to listen to broadcasting because it is a slight electric wave is narrow.
 

Because everyone can easily establish it, it is broadcast in various places. Mini FM on the spot broadcasting in stadium of guide in hall and racetrack of topic of mini FM town such as campus festivals and athletic meets, broadcasting as place of communications in region, shopping streets, town, and events
 

Definition of unnecessary, slight electric wave of license
it is nuclear this in the wireless station with a remarkably slight launched electric wave. It is provided that electric field strength is below the bolt 500 micro per meter in the distance of three meters from wireless equipment.
It is strength of the electric wave to which mini FM by Radio Law can be output by the no permitting unlicensed.
 

Reference link   Definition of unnecessary, slight electric wave of license
 

Difference between "Mini FM broadcasting station" and "Community FM station".
Mini FM is confronted to broadcasting that uses a slight unnecessary electric wave to license,
and the community FM station is FM station broadcast in small-scale coverage in each cities, towns, and villages.