In major electronic forums and social platforms, there will always be posts of this kind explaining how to crack the signal jammer. Let’s analyze whether these claims are effective aside from the purpose of cracking.
Let’s take a look at how a signal jammer works:
The jammer scans from the low-end frequency of the forward channel to the high-end frequency at a certain speed during operation. This scanning speed can cause garbled interference in the signal received by the mobile communication, and the mobile phone cannot detect the standard data sent from the cell towers, so the mobile communication cannot establish a connection with the base station. Mobile communication is manifested as a search network, no signal, no service system, and other phenomena.
Next, let’s analyze the so-called method of cracking the signal jammer:
Enter your phone’s settings, click “Network Settings,” change the network mode to “Manual Mode,” then enter “Network Search,” and exit immediately when the operator’s word appears. The mobile phone will have a signal, but the anti-blocking time length depends on the mobile phone’s quality. This method works for most mobile phones. Principle: The work of the mobile phone is originally within a specific frequency range. Radio waves connect the mobile phone and the base station to complete the transmission of data and sound with a specific baud rate and modulation method. Then the jammer scans from the low-end frequency of the forward channel to the high-end frequency at a certain speed during the working process. The scanning speed can cause garbled interference in the message signal received by the mobile phone. The mobile phone cannot detect the standard data sent from the base station, so the mobile phone cannot establish a connection with the base station. The mobile phone manifests as the phenomenon of searching the network, no signal, no service system, etc.
Did it really work? Well, after some tests, we can say this method is invalid. The principle of the shield is correct, but it may confuse the point of view intentionally or unintentionally. Fundamentally speaking, no matter what kind of mobile phone signal frequency, it exists within the shielding range of the signal jammer. The signal jammer is responsible for scanning and emitting the same frequency band. There is no such thing as a mobile phone of good quality, so no matter how you switch, it will be blocked.
Because the working principle of the blocker is to block the mobile phone by interfering with the signal in the specified band, as long as the receiving and transmitting frequency of the mobile phone is modified, it can be prevented from being blocked. The blocking device can only block the mobile phone signal of 900-1800MHZ, while the receiving and transmitting frequency of the mobile phone. It is 850-1900MHZ, which is much larger than the shielding range of the shield, so as long as the receiving and transmitting frequency of the mobile phone is adjusted to the maximum in the mobile phone settings, the mobile phone signal can be received usually.
Unfortunately, this method is invalid, too. The signal blocker does not just block a single frequency band. Take Jammer Master’s new 5G signal jammer as an example. The frequency bands that can be shielded are 1427-1518MHz and 3600-3900MHz.
Of course, some will try to set their mobile phone frequency band outside this range, such as the neutral frequency band 2200-2300MHz, etc., but there is no operator’s communication signal in these frequency bands, and a mobile phone set in this frequency band is just a brick.
This method has relatively high requirements on the mobile phone and the environment, but the effect is also the best and the most concealed. After using the mobile phone to search for and successfully connect to an available wireless network, you can still surf the Internet and not use traffic even if the mobile phone has no signal.
This method has failed again. When the mobile phone is within the shielding range of the signal blocker, the mobile phone cannot search for the wireless network. The frequency band of the wireless network is easily blocked. This point of view is equivalent to sometimes we forget to bring the key when we go out: the lock is on the door, the key is at home, the lock is valid, and the key is also valid, but a door separates the two, so they cannot be combined.
The development of communication technology accompanies the development of signal jammers. New signal frequency bands also appear accordingly with the emergence of new communication technologies. It is impossible to crack and evade the signal jammer by any number and band because it is within its shielding range no matter which several bands you use.