Ending Of The Article

Welcome to the second chapter – in the first chapter you were familiarized with the GPS systems, GSM1900, GSM1800, GSM900 and GSM800 frequencies. Now it is time to bring your attention to the remaining frequency bands that are most widely used all over the world and that may be completely disabled.

We shall begin with 3G

This frequency group covers 1710~1755MHz (uplink channel) and 2110-2155MHz (downlink channel) frequency range. It is applied globally and has a big deal of applications like video conferences, video-on-demand, mobile TV and tele-medicine.

This type of jamming devices that disables 3G is presented by MGT40 Powerful CDMA/3G/GSM Jamming Device with Remote Control.

Bluetooth and Wi-Fi

The frequency coverage for both Bluetooth and Wi-Fi is 2.4GHz, in spite of the fact that acceptable frequency coverage boundaries of Bluetooth are 2400~2483.5MHz. The sphere of their usage is also global and it really takes too much time to describe any device of that kind.

Perhaps, you have already guessed what these devices are aimed at and where they are applied. But you may also apply a countermeasure for these devices - Bluetooth/Wi-Fi Jammers.

4G

As 3G, 4G frequency band applies the same frequency adding 2496–2690MHz. It can be also applied globally and in many different devices: beginning with laptops and ending with smartphones, etc. 4G is often presented as Microcomputer Appliance of Graphics with Interactive Communications (MAGIC)

Notwithstanding that this frequency band is considered to be the 4^th communication technologies generation it will also be blocked by LoJack XM/4G Jammers.

VHF and UHF

These frequency groups seize 300-3000MHz (UHF) and 30-300MHz (VHF) frequencies. As a result the broadest radio frequency range to disable is at your disposal. The given blocking device is rather compact and of portative size and that is why it blocks just chosen frequencies spectrum. In VHF frequency range they constitute 140~180MHz and UHF frequency range are 450~480MHz.

The sphere of those frequencies usage are USA amateur set of 70cm signal and 2 meters signal, Multi-Use Radio Service (MURS), walkie-talkies, business bands and General Mobile Radio Service.

Especially for blocking these frequency groups VHF/UHF Jammers were designed.

Remote Controls

868MHz, 433MHz and 315MHz frequencies are used by remote controls.

In the European countries 433MHz ISM frequency band is applied instead of the USA’s 315MHz, while in the USA 315MHz is not considered to be the ISM band, in all. The American 433MHz frequency is utilized for close range consuming tools like automobile and watchdog systems, temperature detectors and other types of domestic automation. In Europe, the 868MHz frequency band is utilized specifically for these purposes.

Take into account that Remote Control Jammers were designed specifically for the purpose of jamming any kind of these frequencies.

In fine…

Well, we have mentioned all types of the most widely used frequency bands and counterbalance to protect you from the intruders operating on these very frequencies. We sincerely hope that this short article will stand you in good stand in the future. To be continued…