A cell phone jammer kit is a device that transmit signal on the same frequency at witch the cell phone jammer kit system operates, the cell phone jammer kit success when the cell phone in the area where the cell phone jammer kit is located are disabled. An simple cell phone jammer kit can be built as a DIY project, a self-tuning portable simple cell phone jammer kit shows. 

1. Self tuning is by dual phase lock loops which nullify the necessity for a spectrum analyzer. Multiple programmable frequency bands make it work across a range of cell phone jammer kits.
2. Tuned antennas give it a range of 20 feet.
3. Output power is 1W (in high bands) and 3W (in low bands).
4. Two hours of jamming work over dual frequency bands (as used by some cell rings) with a rechargeable internal lithium-ion battery ought to be for your dirty deeds.
5. You can get more hours over a single band as used by cordless rings, GPS, Wi-Fi or Bluetooth.
6. All this can be crammed in a palm sized cigarette pack.

 Note: Using a cell phone jammer kit to block communication by disrupting the signal is an exclusive right of the authorities. Among other things they are extensively used to prevent remote activation of explosive devices by terrorists. Federal Communications Commission (FCC) rules apply & they take a dim view against illegal use of cell phone jammer kits.
 
More infor about cell phone jammer kit at:

http://blog.espow.com/cell-phone-signal-jammer-create-a-quiet-world-for-you/

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