However, is this Cell Phone Jammer Pcb Board really that effective? The entire frequency band of electromagnetic waves ranges from the smallest a few Hz to the largest hundreds of GHz, and each segment may be used as a communication signal, but except for a small number of very professional equipment, ordinary signal jammers Both "voices are not loud enough" and "five tones are not complete". A signal jammer can only shield a small part of the frequency bands, and communication tools can use unshielded frequency bands for communication. Of course, all the 2G, 3G, and 4G mobile phone services of several domestic communication companies are concentrated in a few small frequency bands. The signal jammer in the examination room can still concentrate on these frequency bands. cell phone jammer
Many people are severely affected by mobile phones. Some people spend a lot of time on the phone. Some people got their Cell Phone Jammer Pcb Board . It can be used as a telephone signal jammer in any place freely. Useful tool for making changes. It can interfere with UHF, VHF, RF and other signals. Turn on the cell phone jammer to completely block the surrounding phone signals. Your health will be improved. It depends on the signal strength of the designated area. Use this device according to your needs.
