![]() The term 4G has been kicking around for a few years now so chances are you've probably heard it mentioned at some point or another. Can effectively prevent your mobile phone being tapped, ensure that your information will not be disclosed. You can choose to use 3G jammer, blocker 2G/3G signal for cellphone. So how to protect their personal privacy and security? The solution is of course present. Many people may not know, our phone calls may be eavesdropped by government agencies or others. For example, telephone tapping and get your personal privacy through the web. 3G finds application in wireless voice telephony, mobile Internet access, fixed wireless Internet access, video calls and mobile TV.Īlthough CDMA/GSM and 3G bring us a lot of convenience, but there are many bad aspects. It also encodes each user’s individual conversation via a pseudo-randomized digital sequence, meaning the voice data remains protected and filtered so that only those participating in the phone call receive the data.ģG, stands for third generation, is the third generation of wireless mobile telecommunications technology. Unlike GSM, CDMA jammers grants users full access to the entire spectrum of bands, thus allowing more users to connect at any given time. The uplink and downlink ranges are distinguished from each other in order to help minimize potential interference.ĬDMA - or Code Division Multiple Access - is often found in the U.S and Russia, though GSM is also present in those countries. Each this frequency band also makes use of a separate uplink and downlink frequency range within each pre-designated band. 921 Mhz to 1710.1 Mhz fequencies are not assigned to GSM bands and are assigned to other tasks by the FCC. ![]() The frequency ranges for each this frequency band are different, with frequencies ranging from 380.2 to 1990 Mhz. There are a total of 14 GSM jammer fequency bands that contain both pre-set and dynamic channel allocations. The mobile phone standard is implemented world-wide. It determines the way in which mobile phones communicate with the land-based network of towers. GSM was the dominant 2G digital mobile phone standard for most of the world. ![]()
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