A radio interference device attached to a vehicle for public transportation

摘要

[0001] The present invention relates to a radio wave interference device for a vehicle, and more particularly, it relates to a radio wave interference device for a vehicle, which is capable of solving the problem of inconvenience to passengers due to noise pollution caused by people using a portable telephone in a vehicle for public transportation, The frequency of the communication area used for the portable telephone among the radio wave signals received by the antenna 20 is cut off through the cutoff filter 30 and the frequency of the area similar to the frequency of the communication area is transmitted through the radio wave generator 40 The noise pollution generated when the portable telephone is used in the inside of the vehicle is originally blocked so that the inconvenience of the passenger is eliminated.