Block Private Numbers Calling Cell Phone Ensures Network Is Blocked
There are even mobile apps designed to cut off wireless connections, so an attacker can simply use a tablet or smartphone to hack your phone with a signal. If you use Block Private Numbers Calling Cell Phone , you can ensure that the signal network is blocked. Risk of information leakage, you should understand that cell phone jammers are illegal before buying. The maximum cutoff radius of cell phone jammers is 20 meters. This is actually a large area. The most common signal suppressors interfere with one or two frequency bands. The high power cell phone jammer cuts off the frequency band up to 868MHz. The total output of the device is 15W. The power supply is 50-60HZ. When fully charged, it can work for a long time. Mobile jammer, AC adapter and 5 antennas are all part of the device. It can also be used in cars.
In fact, all the Block Private Numbers Calling Cell Phone basically on the market today means that the device will make a strong, harsh sound when it is turned on. Another is that it is difficult to block recordings from iPhones. We have tested almost all equipment of our company. These two problems are difficult to solve. You can find cell phone jammers online. Well, which company made it, forgot, there is no shortage of such products online. Cell phone jammers are primarily based on ultrasound. The operating frequency is generally around 25hz. The sounds people heard were very harsh and uncomfortable. This is what it looks like after buying it. The solution is very simple. Cover the device with cotton yarn. The noise problem of the transmitter head was solved at once. Basically quiet, the power supply is basically unaffected. Other gauze has no effect. You can buy it on Taobao for a few bucks. The effect is very effective.