Large-scale cell phone jammers are very expensive
Suitable for prisons and other large sensitive places, such as military or government agencies. It can also be used in oil and gas storage facilities and fields, security services, military units, intelligence agencies, museums, border patrols and drug control, customs, etc. Clear at a glance: Mobile cell phone jammer for each device. Mobile devices can interfere with up to five devices. frequency band. There is no time limit even in hot weather, it can work continuously. Ensure that the design is safe to avoid damage. Adjustable RF output level. The turnkey design can check system problems in time. This antenna was chosen to provide greater flexibility in terms of interference range. Special all-weather protective cover. The fan cooling system is very good. The cooler design makes the system more stable. Modular design. Easy to replace and repair.
Of course, there are many different types of 4g cell phone jammers, if you want to spend a small amount of money to buy any equipment, then you can be absolutely sure to block the signal within a range. Of course, if the budget is tight and you don’t want to buy expensive equipment, you can buy low-power equipment. Their scope of work is very suitable, especially if your main goal is to stop people in the surrounding area. I think a maximum of 5 meters is sufficient, especially when you are on a bus and you want people to remain silent for 12 minutes. Such interference will definitely help you.