Below is a simple intruction of a good jammer: The 3W Portable Phone Jammer and LOJACK and GPS Jammer, model number S805036. This jammer device owns high output power, it could effectively block the bands of cellphone, GPS, LOJACK and 3G. The jamming range of this jammer can up to 20m at most---depending on the strength in the given area . And it won’t produce high temperature when it is working benefiting form the cooling fan inside. It could be used in car directly with the car charger. This jammer can be used in many places such as the restaurant, temple, meeting rooms, concert, conference rooms, bus and so on.
Please visit come to our website to know more about it. Our online shop is a leading supplier of jammer products and we started to sell all kinds of jammers to worldwide customrs since 2005. You could find many kinds of jammers besides of GPS blocker here, they are bluetooth jammer, UHF/VHF jammer, wifi jammer, wireless video jammers, RF jammers and so on.
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