Mobile phone jammer partial applications: 1) In other countries: gas stations, oil and gas storage facilities, oil and gasfields, hospitals, theaters, recording studios, banks, contract tendering rooms, churches, conference rooms, classrooms, testing facilities, security services, military units, secret services, news conference rooms, libraries, museums, prisons, courts, border patrol and drug enforcement, customs, houses 2) Best selling locations at present: gas stations, gas and oil storage, gas and oil fields, banks, conference halls, contract bidding halls, courts, courthouses, military units, and secret units producing area:China