More than a year ago, ExxonMobil and its Canadian subsidiary, Imperial Petroleum, began announcing at their gas stations that motorists should turn off their mobile phones and extinguish cigarettes before refueling. This is a response to the story of an unconfirmed Indonesian motorist. Sparks from the driver’s mobile phone ignited the smoke and caused an explosion. David Warnes, a senior consultant for Industry Canada, said: “Mobile jammers have aroused a lot of interest.” Last month, Hong Kong was a city full of mobile phones, with about 6 million people and 5.2 million mobile phones. It is believed that a jammer was used. Japan relaxed its mobile interference rules more than two years ago and allowed the use of licenses in certain public places such as theaters. Amir Pasha, a spokesperson for a local mobile phone company, told Pakistan News Lens: “Many people near the prison cannot use their phones because the jammer seems to have blocked their incoming and outgoing calls/SMS and affected Internet speed.” He added that even people in remote areas are being illegally abused by prison authorities. The franchise and retail businesses of mobile companies in these regions are also unable to carry out their business activities, such as credit upload and remittance through branch banks. “More and more complaints are forcing all cell phone companies to investigate. Our general conclusion is that cell phone jammer installed in prisons are causing this problem, so the cell phone companies are asking the Frequency Allocation Board (FAB) to investigate to resolve our concerns Confirm”, Pasha said.
The mobile phone jammer seller, Global Protection & Intelligence Inc. based in Los Angeles, has models with prices ranging from $1,600 to $2,600. They prevent cell phone frequencies from entering certain areas, while more expensive jammer models can interfere with larger areas. The briefcase-sized equipment sold by the company can cover a radius of about 150 meters, while the cigar box-sized model can keep the conference room without signal. But not everyone thinks it’s a good idea to have some people prevent others from communicating. Jeremy Depow, an analyst at the Yankee Group in Brockville, Ontario, Canada, said he was concerned that cell phone jammers (which could also disable pagers) could make contact with healthcare professionals It becomes difficult to communicate with other people using mobile devices when they are on standby. He also said that suffocating such growth industries is a bad idea.