As we all know that jammers can block the transmission of signals from the relative networks. Then the mission of UHF/VHF Jammers is what? It is time to know the truth. This type of signal jammer has its frequencies tuned in the special way, the frequencies is VHF 140~180MHz and UHF 420~480MHz, keeping working 2~3Hours by battery. This mixed jammer allows you to block all signals of walkie-talkies in no time. This feature will be very helpful for you to avoid unpleasant situations in certain circumstances. So choose VHF/UHF Jammers and no such occasions at all!
At first glance, it looks like a great method for teachers to track unstable students. But if you look at it deeply, you may think about it as the best tool for the governmental institutions to track people down.
Besides, it uses lower frequencies than GSM and GPS, so that it cannot be blocked by those kinds of signal jammers. The usage of UHF/VHF Jammers may vary greatly. You may use them to jam the signals of video cameras.
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