College Entrance Examination, College entrance examination for adult ; self-examination and various colleges and universities

Government organizations, military and medium and large conference rooms in business, concert halls, theaters

The detention center, labor camp, large and small prison, Gas stations, oil depots, oil fields, CNG filling stations and other flammable places

Important Notes for Jamming Distance: The jamming distances we mentioned on website are for customer's reference only. The actual jamming distance will be varied depending on the signal strength and the use location and if full charges, etc.

Note: Mobile phone signal jammers may not be permissible to import into certain countries/Places due to licensing of broadcast signals or other restrictions. Please check your country's telecommunications regulations before placing your order.

Important Note: Please do not use these products in wrong deed. These products are meant for safety or security purposes only.