Recently, zhengzhou radio management committee in lucheng square exhibitions, let everybody know mysterious radio, tell everyone to buy what kind of intercom is safe and legal. After professional introduction, the original intercom also have id card, in the fuselage stuck behind type approval code is safe, legal. This product can be at ease buy home use. Then, the reporter with law enforcement personnel to provide Thai malls, law enforcement personnel on the spot for a few furniture self intercom advance default frequency point of the merchants of short duration buckles goods processing.