Here is the simple introduction of one of another popular cell phone jammer---New Style Mini Portable Cell Phone Signal Jammer - Broad Spectrum Phone Jammer.The cell phone jammer has the following features. 

Only blocking the signals from cell phone and does not affect the normal operation of other electronic devices. The New Style Mini Portable Cell phone Signal Jammer - Broad Spectrum Phone Jammer device can be taken with you at anywhere anytime. Inside the signal jammer, slow start-up circuit can avoid sparkling caused by mechanical switch. Light weight, this Cell Phone Jammer can be taken with you anywhere you want it.

One of the advantage of this Cell Phone Jammer is that this kind of jammer only blocks the downlink signal and has no effect to the base station. As a powerful device, it can continuously work for 2 hours with one charge.

Available Places of the Cell Phone Jammer: Conference room, auditoriums, law court, library, exam room, school, cinema, theater, and hospital etc. All places where mobile phones are prohibited such as government, military, finance, security, police and command center, you can see the use of this Cell Phone Jammer.

For more to let you know, the Power Input of the Cell Phone Jammer is AC110V-240V, and the Power Output is DC5V 800mAh.
You should pay attention that The jamming distances we mentioned on website are for customer's reference only. The actual jamming distance will be varied depending on the signal strength and the use location and if full charges, etc.

Do Want it? Then get it now! Just go to visit our website and you will some more surprises about the marvellous Cell Phone Jammers for your usages.