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A signal jammer http://www.surmall.com/ refers to a gadget used in interrupting or dislocating radio signals. Most often, it is used to disrupt mobile phones from transmitting and receiving signals. They are typically wireless and can be used anywhere to disable cellular phones. Also, it can be used to interfere with WLAN or wireless local area networks that correspondingly resulted to the development and availability of jammers such as Wi-Fi, Bluetooth jammer and Wireless video jammers to name a few. Even sophisticated and high tech signal jammers are capable of jamming satellites. Signal jammers have some difficulties in disrupting with other electronic devices that are in good working order. Such jammers are used and regulated as well by the government and are intended to jam the communication lines of cellular phones only. In the same way, they damage only the receiving end of a cellular phone call as it interferes directly with the base station and cell phone itself. Signal jammers have small electromagnetic wave and being such, it does not have known damage to the human body and to the cellular phone. But for jammers that are bigger such as outdoor signal stations may have some effects on one's health. Perhaps cellular phone jammer is the most common jammers that we have today. It is capable of disrupting and preventing the cellular phone from receiving signals from the base station. This is done by blocking the radio waves. The most basic one typically works in a ten meter to one kilometre distance. However, those that involve outdoor signal stations that are bigger with different positions and base stations can jam signals of any CDMA or GSM phones effectively. There is another commonly used signal jammer and it is known as GMS signal jammer. They are commonly used by the military as a way of confusing GPS tracking. But there are no tracking systems made at home like this. Civilians who are using jammers in covering or hiding up his location or vehicle are those who are being tracked by the GPS receiver. Cellphone signal jammer used by civilians can cover only up to ten meters. On the other hand, Bluetooth jammer is normally equipped with multi functional jammer that jams video and Wi-Fi. This works by disabling or disrupting Wireless LAN, Bluetooth devices for transmission of videos for privacy. A basic signal jammer for cellular phones may cost you around a hundred dollars while GPS jammers are priced more expensively. For less than two hundred dollars, you can already purchase a Bluetooth or Wi-Fi jammer. But multi function video and Wi-Fi jammers may cost you around three hundred dollars. Because of their cheap and affordable prices, they become more popular and have been used widely for different purposes. You can find a number of online retailers today that offer these types of jammers. You can choose gps signal jammer one depending on your needs and the amount that you can afford. Of course, your choice should also depend on the type of device you have and the kind of signal you want to jam. China wholesale security and safety products,factory price signal jammer cctv cameras,security alarms,mini DVR,discount spy jammer,personal protection.
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